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Homonyms

IRMNG homonym list - genus level - Initial letter = "A" (3237)

Please note, this is a provisional homonyms list from IRMNG on 2019-03-22, and is subject to change. It may include nomina nuda, rejected and otherwise non-current names, plus some published misspellings, in addition to homonyms that have been validly published. A small proportion of duplicate entries awaiting rationalisation may also be included.

Click on any genus name for additional details, as currently available.

Aa
     Aa H.G. Reichenbach, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Aa Baker, 1940 accepted as Philonesia Sykes, 1900 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicarionidae (Family)

Aaaba
     Aaaba Bellamy, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Aaaba de Laubenfels, 1936 accepted as Crellastrina Topsent, 1927 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Crellidae (Family)

Aaata
     Aaata Semenov, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Aaata de Laubenfels, 1930 accepted as Clathria Schmidt, 1862 (preoccupied and junior synonym) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Microcionidae (Family)

Aaleniella
     Aaleniella Conti & Fischer, 1981 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Trochidae (Family)
     Aaleniella Plumhoff, 1963 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Eucytheridae (Family)

Abacella
     Abacella Maslov, 1956 † accepted as Abacella Maslov, 1956 † · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Codiaceae (Family)
     Abacella Stechow, 1920 accepted as Abacella Stechow, 1920 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Abacodes
 Abacodes Jeannel, 1948 accepted as Chaetodactyla Tschitscherin, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Abacodes Thomson, 1858 accepted as Buderes Murray, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Abakaniella
     Abakaniella V.A. Chachlov, 1939 † accepted as Abakaniella V.A. Chachlov, 1939 † (unassessed) · Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Abakaniella Betekhtina, 1966 † accepted as Abakaniella Betekhtina, 1966 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Abalius
     Abalius Cabanis, 1861 accepted as Abalius Cabanis, 1861 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Abalius Kraepelin, 1897 accepted as Abaliella Strand, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Uropygi (Order) > Thelyphonidae (Family)

Abama
 Abama Adanson, 1763 accepted as Narthecium Hudson, 1762 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dioscoreales (Order) > Nartheciaceae (Family)
 Abama Rafinesque, 1837 accepted as Narthecium Hudson, 1762 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dioscoreales (Order) > Nartheciaceae (Family)

Abantiades
     Abantiades Herrich-Schäffer, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hepialidae (Family)
 Abantiades Fairmaire, 1894 accepted as Diphyrrhynchus Fairmaire, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Abantiades Broun, 1914 accepted as Abantiadinus Schenkling in Schenkling & Marshall, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Abantis
     Abantis Hoppfer, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
 Abantis Jordan, 1925 † accepted as Absalomichthys Whitley, 1933 † · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Abantis Fairmaire, 1892 accepted as Diphyrrhynchus Fairmaire, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Abapus
     Abapus Adanson, 1763 accepted as Abapus Adanson, 1763 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
 Abapus Rafinesque, 1838 accepted as Papiria Thunberg, 1776 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)

Abaris
     Abaris Dejean, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Abaris Voss, 1958 accepted as Keibaris Chûjô, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Abarys
 Abarys Turner, 1947 accepted as Abareia Whalley, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Abarys Agassiz, 1846 accepted as Abaris Dejean, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Abas
     Abas R. Ross & P.A. Sims, 1980 † · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Hemiaulales (Order) > Hemiaulaceae (Family)
     Abas Fennah, 1950 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Achilidae (Family)
 Abas Núñez & Yáñez, 1984 accepted as Liolaemus Wiegmann, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Tropiduridae (Family)

Abascantus
     Abascantus Stål, 1864 accepted as Abascantus Stål, 1864 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Abascantus Schaufuss, 1886 accepted as Abascantodes Strand, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Abatus
     Abatus Troschel, 1851 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Schizasteridae (Family)
 Abatus Péringuey, 1898 accepted as Capabatus Csiki, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Abax
     Abax Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Abax Stephens, 1827 accepted as Abax Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Abbotia
     Abbotia McCook, 1894 accepted as Abbotia McCook, 1894 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Abbotia Rafinesque, 1836 accepted as Abbotia Rafinesque, 1836 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Juncaginaceae (Family)
 Abbotia L.P. Perestenko, 1975 accepted as Neoabbottiella Perestenko, 1982 (synonym) · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Halymeniales (Order) > Halymeniaceae (Family)
 Abbotia Leach, 1830 accepted as Platysoma Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)

Abbottella
     Abbottella Hollenberg, 1967 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
     Abbottella Henderson & Bartsch, 1920 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)

Abbottia
 Abbottia F. von Mueller, 1875 accepted as Timonius A.P. de Candolle, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Abbottia L.P. Perestenko, 1977 accepted as Neoabbottiella Perestenko, 1982 (synonym) · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Halymeniales (Order) > Halymeniaceae (Family)

Abbottina
     Abbottina Jordan & Fowler, 1903 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Abbottina McCulloch, 1977 accepted as Nonion de Montfort, 1808 (subjective junior synonym in opinion of Loeblich & Tappan, 1987) · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Nonionidae (Family)

Abbreviata
     Abbreviata Schulz, 1927 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Physalopteridae (Family)
     Abbreviata Travassos, 1920 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Physalopteridae (Family)

Abdera
     Abdera Stephens, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melandryidae (Family)
 Abdera Thomson, 1859 accepted as Abdera Stephens, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melandryidae (Family)

Abeillea
 Abeillea Simon, 1897 accepted as Abeillia Bonaparte, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)
 Abeillea Sahlberg, 1908 accepted as Microlipus Leconte, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melyridae (Family)

Abelia
     Abelia Kretzoi, 1938 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Felidae (Family)
     Abelia R. Brown in Abel, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dipsacales (Order) > Caprifoliaceae (Family)

Abella
     Abella von Heyden, 1826 accepted as Abella von Heyden, 1826 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Abella Walker, 1862 accepted as Abella Walker, 1862 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Abelterus
 Abelterus Heine & Reichenow, 1890 accepted as Eubucco Bonaparte, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Ramphastidae (Family)
 Abelterus Stål, 1865 accepted as Trocnada Walker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Abemus
     Abemus Mulsant & Rey, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Abemus Mulsant & Rey, 1877 accepted as Abemus Mulsant & Rey, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Abeona
 Abeona Stål, 1876 accepted as Amblycara Bergroth, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
 Abeona Girard, 1855 accepted as Micrometrus Gibbons, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Embiotocidae (Family)

Aberdaria
     Aberdaria Holm, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Linyphiidae (Family)
     Aberdaria Blume, 1965 accepted as Aberdaria Blume, 1965 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Aberia
     Aberia Melou, 1990 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Rhactorthidae (Family)
 Aberia Hochstetter, 1844 accepted as Dovyalis E.H.F. Meyer ex Arnott, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)

Abia
     Abia Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Cimbicidae (Family)
     Abia Giebel, 1856 accepted as Abia Giebel, 1856 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Abia Poletaeva, 1972 † accepted as Abia Poletaeva, 1972 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Abia Agassiz, 1846 accepted as Habia Blyth in Cuvier, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)

Abichia
     Abichia Gemmellaro, 1888 accepted as Abichia Gemmellaro, 1888 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)
     Abichia Andrusov, 1907 † accepted as Abichia Andrusov, 1907 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Abietinella
     Abietinella Levinsen, 1913 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Lafoeidae (Family)
     Abietinella Müller Hal., 1896 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Thuidiaceae (Family)

Abietites
     Abietites W. Hisinger, 1837 † accepted as Abietites W. Hisinger, 1837 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinopsida (awaiting allocation) (Order) > Pinopsida (awaiting allocation) (Family)
 Abietites V.S. Maljavkina, 1964 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Abiga
     Abiga Saint-Lager, 1880 accepted as Abiga Saint-Lager, 1880 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Abiga Guérin-Ménéville, 1860 accepted as Scelosodis Solier, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Abila
     Abila Stål, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Romaleidae (Family)
 Abila Gray, 1867 accepted as Raspailia Nardo, 1833 (preoccupied) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Axinellida (Order) > Raspailiidae (Family)

Ablabera
     Ablabera Erichson, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Ablabera Dejean, 1833 accepted as Ablabera Erichson, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Abola
 Abola Adanson, 1763 accepted as Cinna Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Abola Lindley, 1853 accepted as Caucaea Schlechter, 1920 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Abra
     Abra Lamarck, 1818 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Semelidae (Family)
 Abra Gray, 1863 accepted as Ochotona Link, 1795 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Ochotonidae (Family)

Abrana
     Abrana Parker, 1931 accepted as Abrana Parker, 1931 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Ranidae (Family)
 Abrana Strand, 1928 accepted as Ochotona Link, 1795 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Ochotonidae (Family)

Abranchus
 Abranchus Boïé, 1824 accepted as Abranchus Boïé, 1824 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Abranchus (Johansson, 1896) accepted as Oceanobdella (Caballero, 1956) (in part (pre-occupied)) · Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Rhynchobdellida (Order) > Piscicolidae (Family)
 Abranchus Harlan, 1825 accepted as Cryptobranchus Leuckart, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Caudata (Order) > Cryptobranchidae (Family)
 Abranchus accepted as Abrancha Hasselt, 1824 (misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda incertae sedis (Order) > Gastropoda incertae sedis (Family)

Abretia
     Abretia Rafinesque, 1814 accepted as Abretia Rafinesque, 1814 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Abretia H. Adams & A. Adams, 1853 accepted as Perirhoe Dall, 1908 (Invalid: junior homonym of Abretia Rafinesque, 1814; Abretiella is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Terebridae (Family)

Abrodiaeta
     Abrodiaeta Péringuey, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Abrodiaeta Brunner, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Abrodiaeta Brunner, 1893 accepted as Allacta Saussure & Zehntner, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blattellidae (Family)

Abroma
     Abroma Stål, 1866 accepted as Abroma Stål, 1866 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Abroma N.J. Jacquin, 1776 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Abronia
     Abronia Gray, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Anguidae (Family)
     Abronia A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)

Abrus
     Abrus Dai & Zhang, 2002 accepted as Abrus Dai & Zhang, 2002 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Abrus Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Absentia
     Absentia Huang, 2001 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Eriophyidae (Family)
     Absentia Togashi, 1990 accepted as Absentia Togashi, 1990 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Absidia
     Absidia Mulsant, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cantharidae (Family)
     Absidia Van Tieghem, 1878 · Fungi (Kingdom) > Zygomycota (Phylum) > Zygomycota incertae sedis (Class) > Mucorales (Order) > Mucoraceae (Family)

Absolonia
 Absolonia Roewer, 1915 accepted as Abasola Strand, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Travuniidae (Family)
     Absolonia Börner, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Onychiuridae (Family)

Absyrtes
     Absyrtes Guenée, 1857 accepted as Absyrtes Guenée, 1857 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Absyrtes Brischke, 1880 accepted as Absyrtus Holmgren, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Absyrtus
     Absyrtus Rafinesque, 1815 accepted as Absyrtus Rafinesque, 1815 · Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
     Absyrtus Holmgren, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Acacallis
     Acacallis Hübner, 1823 accepted as Acacallis Hübner, 1823 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Acacallis Lindley, 1853 accepted as Aganisia J. Lindley, 1839 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Acacallis Pascoe, 1883 accepted as Orochlesis Pascoe, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acachmena
     Acachmena Turner, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nolidae (Family)
 Acachmena Turner, 1911 accepted as Cathetus Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)
 Acachmena H.P. Fuchs, 1960 accepted as Erysimum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Acaciella
     Acaciella N.L. Britton & J.N. Rose, 1928 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Acaciella Walter in Preiss, 1972 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae incertae sedis (Family)

Acaciothrips
     Acaciothrips Priesner, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Thysanoptera (Order) > Phlaeothripidae (Family)
 Acaciothrips Priesner, 1968 accepted as Acaciothrips Priesner, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Thysanoptera (Order) > Phlaeothripidae (Family)

Acaena
     Acaena Mutis ex Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
     Acaena Treitschke, 1825 accepted as Acaena Treitschke, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Acaerus
     Acaerus Loginova, 1976 accepted as Acaerus Loginova, 1976 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acaerus Pascoe, 1882 accepted as Paipalephorus Jekel, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acalanthe
     Acalanthe Reichenbach, 1862 accepted as Acalanthe Reichenbach, 1862 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acalanthe Bonaparte, ? 1851 accepted as Acalanthe Bonaparte, ? 1851 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Acalanthis
     Acalanthis Gistl, 1848 accepted as Acalanthis Gistl, 1848 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)
     Acalanthis Erichson in Germar, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)

Acalia
     Acalia Gray, 1840 accepted as Acalia Gray, 1840 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Ophidiasteridae (Family)
 Acalia Guenée in Duponchel, 1845 accepted as Lignyoptera Lederer, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Acallapisus
 Acallapisus Schönherr, 1826 accepted as Acallopistus Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Acallapisus Schönherr, 1825 accepted as Acallopistus Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acallopistus
     Acallopistus Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Acallopistus Schönherr, 1825 accepted as Acallopistus Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acalypha
     Acalypha Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Acalypha Dejean, 1834 accepted as Acalypha Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Acalyphes
     Acalyphes Turner, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Acalyphes J.C. Hasskarl, 1844 accepted as Acalypha Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Acalyptus
     Acalyptus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acalyptus Duméril, 1853 accepted as Acalyptophis Boulenger, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Hydrophiidae (Family)

Acamarchis
     Acamarchis Rafinesque, 1815 accepted as Acamarchis Rafinesque, 1815 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)
 Acamarchis Lamouroux, 1816 accepted as Bugula Oken, 1815 (Objective synonym) · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Bugulidae (Family)

Acamas
     Acamas de Montfort, 1808 accepted as Acamas de Montfort, 1808 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Acamas Duchassaing & Michelotti, 1864 accepted as Mycale Gray, 1867 (preoccupied and genus transfer) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Mycalidae (Family)

Acamatus
 Acamatus Schönherr, 1833 accepted as Piazorhinus Schönherr, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acamatus Emery, 1894 accepted as Neivamyrmex Borgmeier, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)

Acampomintho
 Acampomintho Townsend, 1935 accepted as Acompomintho Villeneuve, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Rhinophoridae (Family)
 Acampomintho Souza Lopez, 1938 accepted as Acompomintho Villeneuve, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Rhinophoridae (Family)

Acamptus
     Acamptus Leconte, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acamptus Brancsik, 1897 accepted as Brancsikellus Berg, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Acanthanthus
     Acanthanthus Boileau, 1916 accepted as Acanthanthus Boileau, 1916 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Acanthanthus Y. Ito, 1981 accepted as Acanthanthus Y. Ito, 1981 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Acanthaphis
     Acanthaphis Matsumura, 1918 accepted as Acanthaphis Matsumura, 1918 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
     Acanthaphis Del Guercio, 1908 accepted as Acanthaphis Del Guercio, 1908 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Acantharia
     Acantharia Theissen & H. Sydow, 1918 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Venturiaceae (Family)
     Acantharia Quenstedt, 1881 accepted as Acantharia Quenstedt, 1881 (unassessed) · Chromista (Kingdom) > Retaria (Phylum) > Acantharea (Class) > Actinelida (Order) > Actinastridae (Family)
 Acantharia Haeckel, 1881 accepted as Acantharea · Chromista (Kingdom) > Retaria (Phylum) > Acantharia (Class) > (Order) > (Family)

Acanthaspis
     Acanthaspis Amyot & Serville, 1843 accepted as Acanthaspis Amyot & Serville, 1843 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
     Acanthaspis Newberry, 1875 † accepted as Acanthaspis Newberry, 1875 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Acanthechinus
     Acanthechinus Duncan & Sladen, 1882 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Phymosomatoida (Order) > Phymosomatidae (Family)
 Acanthechinus Stebbing, 1888 accepted as Actinacanthus Stebbing, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Epimeriidae (Family)

Acanthella
     Acanthella J.D. Hooker in Bentham & J.D. Hooker, 1867 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
     Acanthella Schmidt, 1862 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Halichondrida (Order) > Dictyonellidae (Family)
 Acanthella Allman, 1883 accepted as Plumularia Lamarck, 1816 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Plumulariidae (Family)

Acanthia
 Acanthia Gray, 1825 accepted as Hystrix Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Hystricidae (Family)
 Acanthia Fabricius, 1775 accepted as Cimex Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Acanthias
 Acanthias Leach, 1818 accepted as Squalus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Squalidae (Family)
 Acanthias Bonaparte, 1838 accepted as Squalus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Squalidae (Family)
 Acanthias Müller & Henle, 1839 accepted as Squalus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Squalidae (Family)
 Acanthias Risso, 1827 accepted as Squalus Linnaeus, 1758 (Objective synonym; unneeded replacement name for Squalus Linnaeus) · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Squalidae (Family)

Acanthicus
     Acanthicus Laporte, 1832 accepted as Acanthicus Laporte, 1832 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Acanthicus Agassiz in Spix & Agassiz, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Loricariidae (Family)

Acanthidium
     Acanthidium Michener & Griswold, 1994 accepted as Acanthidium Michener & Griswold, 1994 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
     Acanthidium Montrouzier, 1858 accepted as Acanthidium Montrouzier, 1858 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acanthidium Lowe, 1839 accepted as Etmopterus Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Etmopteridae (Family)

Acanthina
     Acanthina Siebold, 1845 accepted as Acanthina Siebold, 1845 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Acanthina K.B. Korde, 1973 † · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodophyta incertae sedis (Class) > Rhodophyceae (awaiting allocation) (Order) > Acanthinaceae (Family)
     Acanthina Fischer von Waldheim, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)
 Acanthina Wiedemann, 1830 accepted as Acanthinomyia Hunter, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)

Acanthinoides
     Acanthinoides Matsumura, ? 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
 Acanthinoides Ouchi, 1940 accepted as Ouchimyia Nagatomi & Miyatake, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)

Acanthis
     Acanthis Bechstein, 1803 accepted as Acanthis Bechstein, 1803 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acanthis Keyserling & Blasius, 1840 accepted as Acanthis Keyserling & Blasius, 1840 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acanthis de Serres, 1816 accepted as Acanthis de Serres, 1816 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Acanthis Borkhausen, 1797 accepted as Carduelis Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)

Acanthisitta
     Acanthisitta Gray, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Acanthisittidae (Family)
     Acanthisitta De Lafresnaye, 1842 accepted as Acanthisitta De Lafresnaye, 1842 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Acanthisittidae (Family)

Acanthium
     Acanthium Heister ex Fabricius, 1759 accepted as Acanthium Heister ex Fabricius, 1759 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Acanthium Agassiz, 1846 accepted as Hystrix Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Hystricidae (Family)

Acanthiza
     Acanthiza Vigors & Horsfield, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pardalotidae (Family)
 Acanthiza Gray, 1847 accepted as Acanthina Fischer von Waldheim, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)

Acanthobatis
 Acanthobatis accepted as Anacanthobatis von Bonde & Swart, 1923 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Anacanthobatidae (Family)
 Acanthobatis Larrazet, 1886 † accepted as Anacanthobatis von Bonde & Swart, 1923 (misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Anacanthobatidae (Family)

Acanthobolus
     Acanthobolus Stål, 1870 accepted as Acanthobolus Stål, 1870 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acanthobolus Kützing, 1843 accepted as Endocladia J.Agardh, 1841 · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodophyta incertae sedis (Class) > Cryptonemiales (Order) > Endocladiaceae (Family)

Acanthobothrium
     Acanthobothrium Van Beneden, 1850 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Tetraphyllidea (Order) > Onchobothriidae (Family)
 Acanthobothrium Blanchard, 1849 accepted as Acanthobothrium Van Beneden, 1850 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Tetraphyllidea (Order) > Onchobothriidae (Family)

Acanthobrachys
 Acanthobrachys Lacordaire, 1863 accepted as Acanthobrachis Jekel, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acanthobrachys Fieber, 1860 accepted as Arbela Stål, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Nabidae (Family)

Acanthobracon
     Acanthobracon Szépligeti, 1902 accepted as Acanthobracon Szépligeti, 1902 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
     Acanthobracon Kriechbaumer, 1900 accepted as Acanthobracon Kriechbaumer, 1900 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Acanthocalyx
     Acanthocalyx (A.P. de Candolle) Van Tieghem, 1909 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dipsacales (Order) > Caprifoliaceae (Family)
     Acanthocalyx Cope, 1895 accepted as Acanthocalyx Cope, 1895 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Acanthocampa
     Acanthocampa Dyar, 1905 accepted as Acanthocampa Dyar, 1905 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Acanthocampa Packard, 1902 accepted as Acanthocampa Packard, 1902 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)

Acanthocaris
     Acanthocaris Peach, 1883 accepted as Acanthocaris Peach, 1883 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Leptostraca (Order) > Leptostraca (awaiting allocation) (Family)
 Acanthocaris Sim, 1872 accepted as Gastrosaccus Norman, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Mysida (Order) > Mysidae (Family)

Acanthocarpus
     Acanthocarpus Stimpson, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Calappidae (Family)
     Acanthocarpus J.G.C. Lehmann, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Acanthocarpus Göppert, 1864 † accepted as · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Acanthocephala
     Acanthocephala de Laporte, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)
     Acanthocephala Diesing, 1858 accepted as Acanthocephala Diesing, 1858 (unassessed) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
 Acanthocephala Backeberg, 1938 accepted as Parodia Spegazzini, 1923 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
     Acanthocephala Koelreuter, 1771 · Animalia (Kingdom) > Acanthocephala (Phylum) > (Class) > (Order) > (Family)

Acanthocephalus
     Acanthocephalus Tilesius, 1818 accepted as Acanthocephalus Tilesius, 1818 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Acanthocephalus Qiu, 1983 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Acanthocephalus Cobbold, 1879 accepted as Gymnorhynchus Rudolphi, 1819 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Trypanorhyncha (Order) > Lacistorhynchidae (Family)
 Acanthocephalus Döderlein in Steindachner & Döderlein, 1883 accepted as Doederleinia Steindachner in Steindachner & Döderlein, 1883 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acropomatidae (Family)
     Acanthocephalus Koelreuther, 1771 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Echinorhynchida (Order) > Echinorhynchidae (Family)
     Acanthocephalus Karelin & Kirilov, 1842 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Acanthocephalus A. von Frantzius, 1848 · Chromista (Kingdom) > Miozoa (Phylum) > (Class) > Eugregarinida (Order) > Actinocephalidae (Family)

Acanthocera
     Acanthocera Macquart, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tabanidae (Family)
     Acanthocera Melichar, 1915 accepted as Acanthocera Melichar, 1915 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Derbidae (Family)

Acanthoceras
     Acanthoceras H. Honigmann, 1909 · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Chaetocerotales (Order) > Acanthocerataceae (Family)
     Acanthoceras Neumayr, 1875 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Acanthoceratidae (Family)
 Acanthoceras Kützing, 1842 accepted as Ceramium Roth, 1797 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Ceramiaceae (Family)

Acanthocercus
     Acanthocercus Liévin, 1848 accepted as Acanthocercus Liévin, 1848 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Acanthocercus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
 Acanthocercus Schoedler, 1846 accepted as Acantholeberis Lilljeborg, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Macrothricidae (Family)

Acanthocerus
     Acanthocerus Palisot de Beauvois, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)
 Acanthocerus Macleay, 1819 accepted as Ceratocanthus White, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hybosoridae (Family)
 Acanthocerus Germar, 1843 accepted as Cloeotus Germar, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hybosoridae (Family)

Acanthochaetes
 Acanthochaetes Gray in Dieffenbach, 1843 accepted as Acanthochaetes Gray in Dieffenbach, 1843 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Chitonidae (Family)
 Acanthochaetes Leach in Risso, 1826 accepted as Acanthochitona Gray, 1821 (synonym) · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Acanthochitonidae (Family)

Acanthochila
 Acanthochila Stål, 1873 accepted as Acanthocheila Stål, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tingidae (Family)
 Acanthochila Mörch, 1868 accepted as Cadlina Bergh, 1879 (Placed on the Official Index of Rejected Names by ICZN Opinion 812 (Bulletin of Zoological Nomenclature (1967) 24: 91.)) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Cadlinidae (Family)

Acanthochirus
 Acanthochirus Oppel, 1862 † accepted as Acanthochirana Strand, 1928 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Aegeridae (Family)
 Acanthochirus Peters, 1861 accepted as Cercophonius Peters, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Scorpiones (Order) > Bothriuridae (Family)

Acanthochiton
 Acanthochiton Herrmannsen, 1846 accepted as Acanthochitona Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Acanthochitonidae (Family)
 Acanthochiton Iredale, 1915 accepted as Acanthochitona Gray, 1821 (synonym) · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Acanthochitonidae (Family)
 Acanthochiton J. Torrey in Sitgreaves, 1853 accepted as Amaranthus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Acanthochitus
 Acanthochitus Herrmannsen, 1846 accepted as Acanthochitus Herrmannsen, 1846 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Acanthochitonidae (Family)
     Acanthochitus Philippi, 1844 accepted as Acanthochitus Philippi, 1844 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Acanthochondria
 Acanthochondria Weber-van Bosse, 1910 accepted as · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
     Acanthochondria Oakley, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Chondracanthidae (Family)

Acanthochromis
     Acanthochromis Gill, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pomacentridae (Family)
     Acanthochromis Bleeker, 1877 accepted as Acanthochromis Bleeker, 1877 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pomacentridae (Family)

Acanthochrysis
 Acanthochrysis W.Conrad, 1931 accepted as · Chromista (Kingdom) > Ochrophyta (Phylum) > Chrysophyceae (Class) > Chromulinales (Order) > Chromulinales incertae sedis (Family)
     Acanthochrysis Haupt, 1956 accepted as Acanthochrysis Haupt, 1956 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Acanthocinus
     Acanthocinus Guérin-Ménéville, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Acanthocinus Dejean, 1821 accepted as Acanthocinus Guérin-Ménéville, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Acanthocladia
     Acanthocladia King, 1849 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Fenestrata (Order) > Fenestellidae (Family)
     Acanthocladia Ardissone, 1886 · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodophyta incertae sedis (Class) > Rhodophyceae (awaiting allocation) (Order) > Rhodophyceae incertae sedis (Family)
 Acanthocladia Ruprecht, 1851 accepted as Endocladia J.Agardh, 1841 · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodophyta incertae sedis (Class) > Cryptonemiales (Order) > Endocladiaceae (Family)

Acanthocladium
     Acanthocladium Mitten, 1878 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Sematophyllaceae (Family)
     Acanthocladium F. von Mueller, 1861 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Acanthocladium Allman, 1883 accepted as Acanthocladium Allman, 1883 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Acanthocladus
 Acanthocladus Carus, 1883 accepted as Acanthocladus Carus, 1883 (Misspelling) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Acanthocladus Klotzsch ex Hasskarl, 1864 accepted as Polygala Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Polygalaceae (Family)
 Acanthocladus G.X. Yang in G.X. Yang et al., 2006 † accepted as Gigantocladus A.B. Doweld, 2012 † (junior homonym) · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Gigantopteridales (Order) > Emplectopteridaceae (Family)

Acanthoclinus
     Acanthoclinus Jenyns, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Plesiopidae (Family)
 Acanthoclinus Mocquard, 1885 accepted as Paraclinus Mocquard, 1888 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labrisomidae (Family)

Acanthocnema
     Acanthocnema Becker, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Scathophagidae (Family)
 Acanthocnema A. Costa in O. Costa, 1859 accepted as Acanthocnema A. Costa in O. Costa, 1859 (Suppressed name (ICZN)) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Acanthocnemis
     Acanthocnemis Blanchard in Gay, 1852 accepted as Acanthocnemis Blanchard in Gay, 1852 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Acanthocnemis Signoret, 1865 accepted as Acanthocnemis Signoret, 1865 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Acanthocnemis Hawle & Corda, 1847 † accepted as Acanthocnemis Hawle & Corda, 1847 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Acanthococcus
     Acanthococcus J.D. Hooker & W.H. Harvey, 1845 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Cystocloniaceae (Family)
     Acanthococcus Signoret, 1875 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Eriococcidae (Family)
     Acanthococcus Kiritshenko, 1936 accepted as Acanthococcus Kiritshenko, 1936 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acanthococcus Lagerheim, 1883 accepted as Glochiococcus G.B. De Toni in G.B. De Toni & D. Levi, 1888 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Sphaeropleales (Order) > Neochloridaceae (Family)

Acanthocoryphus
     Acanthocoryphus Karny, 1907 accepted as Acanthocoryphus Karny, 1907 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Acanthocoryphus Roewer, 1953 accepted as Chilon Sørensen, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Assamiidae (Family)

Acanthocyathus
 Acanthocyathus Bedford, 1934 † accepted as Acanthocyathus Bedford, 1934 † (Unjustified (?) emendation) · Animalia (Kingdom) > Archaeocyatha (Phylum) > Archaeocyathea (Class) > Acanthinocyathida (Order) > Acanthinocyathidae (Family)
 Acanthocyathus Milne-Edwards & Haime, 1848 accepted as Caryophyllia Lamarck, 1801 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Caryophylliidae (Family)

Acanthocyclus
     Acanthocyclus Lucas in H. Milne Edwards & Lucas, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Belliidae (Family)
 Acanthocyclus Dybowski, 1873 † accepted as Rhabdocyclus Lang & Smith, 1939 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Palaeocyclidae (Family)

Acanthocyrtis
     Acanthocyrtis Haeckel, 1881 accepted as Acanthocyrtis Haeckel, 1881 (unassessed) · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Polycystinea (awaiting allocation) (Order) > Radiolaria (awaiting allocation) (Family)
 Acanthocyrtis Haeckel, 1887 accepted as Phormostichoartus Campbell, 1951 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Nassellaria (Order) > Artostrobiidae (Family)

Acanthocystis
     Acanthocystis Haeckel, 1896 accepted as Acanthocystis Haeckel, 1896 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Acanthocystis Bather, 1889 accepted as Acanthocystis Bather, 1889 (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Acanthocystis Carter, 1863 · Chromista (Kingdom) > Heliozoa (Phylum) > (Class) > Centrohelida (Order) > Acanthocystidae (Family)
 Acanthocystis Haeckel, 1887 accepted as Acanthocystis Haeckel, 1887 (Misspelling) · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Polycystinea (awaiting allocation) (Order) > Radiolaria (awaiting allocation) (Family)
 Acanthocystis (Fayod) Kühner, 1926 accepted as Hohenbuehelia S. Schulzer von Müggenburg in S. Schulzer von Müggenburg, Kanitz & Knapp, 1866 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Pleurotaceae (Family)

Acanthodactylus
     Acanthodactylus Tessin, 1890 accepted as Acanthodactylus Tessin, 1890 (unassessed) · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Trichocercidae (Family)
     Acanthodactylus Wiegmann, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Lacertidae (Family)
 Acanthodactylus Desbrochers des Loges, 1894 accepted as Cossyphus Olivier, 1791 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Acanthodelta
     Acanthodelta Hampson, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Acanthodelta Diaz-Ungria & Gracia-Rodrigo, 1958 accepted as Deltacanthus Diaz-Ungria & Rodrigo, 1958 · Animalia (Kingdom) > Acanthocephala (Phylum) > Eoacanthocephala (Class) > Gyracanthocephala (Order) > Quadrigyridae (Family)

Acanthodera
 Acanthodera Agassiz, 1846 accepted as Acanthoderes Audinet-Serville, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acanthodera Westwood, 1847 accepted as Acanthoderus Gray, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Heteronemiidae (Family)

Acanthoderes
     Acanthoderes Audinet-Serville, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acanthoderes Haldeman, 1847 accepted as Aegomorphus Haldeman, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Acanthoderma
     Acanthoderma Agassiz, 1835 † accepted as Acanthoderma Agassiz, 1835 † · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Acanthoderma Agassiz, 1844 † accepted as Acanthoderma Agassiz, 1844 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Acanthoderma H. Sydow & P. Sydow, 1917 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Acanthoderus
     Acanthoderus Gray, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Heteronemiidae (Family)
 Acanthoderus Dejean, 1835 accepted as Acanthoderes Audinet-Serville, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acanthoderus Laporte de Castelnau, 1840 accepted as Acanthoderes Audinet-Serville, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acanthoderus Gistl, 1848 accepted as Acanthocerus Palisot de Beauvois, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)

Acanthodes
     Acanthodes Agassiz, 1833 † accepted as Acanthodes Agassiz, 1833 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Acanthodii (Class) > Acanthodiformes (Order) > Acanthodidae (Family)
     Acanthodes Basilewsky, 1953 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Acanthodes Fourmanoir & Crosnier, 1964 accepted as Acanthodes Fourmanoir & Crosnier, 1964 (Unavailable name (no generic description)) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Scorpaenidae (Family)
 Acanthodes De Haan in Siebold, 1833 † accepted as Hypothalassia Gistel, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Hypothalassiidae (Family)
     Acanthodes Dybowski, 1873 † accepted as Acanthodes Dybowski, 1873 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Acanthodes Baly, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Acanthodesma
 Acanthodesma Uhler, 1896 accepted as Polididus Stål, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
 Acanthodesma Zittel, 1876 † accepted as Acanthodesmia Müller, 1857 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Nassellaria (Order) > Trissocyclidae (Family)

Acanthodesmia
     Acanthodesmia V.D. Prynada, 1962 † accepted as Acanthodesmia V.D. Prynada, 1962 † (unassessed) · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
     Acanthodesmia Müller, 1857 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Nassellaria (Order) > Trissocyclidae (Family)

Acanthodis
     Acanthodis Audinet-Serville, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Acanthodis Miller in Absolom, 1933 † accepted as Acanthodis Miller in Absolom, 1933 † (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Acanthodii (Class) > Acanthodiformes (Order) > Acanthodidae (Family)

Acanthodiscus
     Acanthodiscus Pantocsek, 1892 † · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Bacillariophyceae (awaiting allocation) (Order) > Bacillariophyceae (awaiting allocation) (Family)
     Acanthodiscus Uhlig, 1905 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Berriasellidae (Family)
     Acanthodiscus MacCallum, 1918 accepted as Acanthodiscus MacCallum, 1918 (unassessed) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
 Acanthodiscus Volkmer-Ribeiro, 1996 accepted as Racekiela Bass & Volkmer-Ribeiro, 1998 (preoccupied) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Spongillida (Order) > Spongillidae (Family)

Acanthodium
     Acanthodium Mitten, 1868 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Sematophyllaceae (Family)
 Acanthodium Delile, 1813-1814 accepted as Blepharis A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Acanthodon
     Acanthodon Guérin-Ménéville, 1838 accepted as Acanthodon Guérin-Ménéville, 1838 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Acanthodon von Meyer, 1843 † accepted as Acanthodon von Meyer, 1843 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
 Acanthodon Weise, 1880 accepted as Gonioctena Chevrolat, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Acanthodus
     Acanthodus Furnish, 1938 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodontophorida (Order) > Conodonta (awaiting allocation) (Family)
     Acanthodus Rafinesque, 1814 accepted as Acanthodus Rafinesque, 1814 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Acanthoglossa
     Acanthoglossa Kraatz, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydroscaphidae (Family)
 Acanthoglossa Motschoulsky, 1860 accepted as Zyras Stephens, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Acanthognathus
     Acanthognathus Mayr, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)
 Acanthognathus Duncker, 1912 accepted as Doryrhamphus Kaup, 1856 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Syngnathiformes (Order) > Syngnathidae (Family)

Acanthogonyaulax
     Acanthogonyaulax (Kofoid) Graham, 1942 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Gonyaulacaceae (Family)
 Acanthogonyaulax W.A.S. Sarjeant, 1966 † accepted as Acanthaulax Sarjeant, 1968 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Gonyaulacaceae (Family)

Acanthograptus
 Acanthograptus Lapworth, 1881 † accepted as Acanthograptus Lapworth, 1881 † (Misspelling) · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptolithina (awaiting allocation) (Order) > Graptolithina (awaiting allocation) (Family)
     Acanthograptus Spencer, 1878 emend. Spencer, 1884 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Dendroidea (Order) > Acanthograptidae (Family)
 Acanthograptus Tsegelnjuk in Shulga ed., 1976 † accepted as Bugograptus Tsegelnjuk, 2001 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptoloidea (Order) > Monograptidae (Family)

Acantholepis
     Acantholepis Mayr, 1861 accepted as Acantholepis Mayr, 1861 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)
     Acantholepis Pyanovska & Aleksandro in Pyanovskaya, 1989 † accepted as Acantholepis Pyanovska & Aleksandro in Pyanovskaya, 1989 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodontophorida (Order) > Conodonta (awaiting allocation) (Family)
 Acantholepis Krøyer, 1846 accepted as Argentina Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Argentinidae (Family)
 Acantholepis Newberry, 1875 † accepted as Eczematolepis Miller, 1892 † · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Ptyctodontida (Order) > Ptyctodontidae (Family)
 Acantholepis † accepted as Acanthalepis M'Coy in Griffith, 1846 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Acantholepis Lessing, 1831 accepted as Echinops Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Acantholithus
     Acantholithus Lindström, 1899 † accepted as Acantholithus Lindström, 1899 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Tabulata (Order) > Heliolitidae (Family)
 Acantholithus Stimpson, 1858 accepted as Paralomis White, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Lithodidae (Family)

Acantholobivia
 Acantholobivia Y. Ito, 1957 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
 Acantholobivia Backeberg, 1942 accepted as Echinopsis Zuccarini, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Acantholoma
 Acantholoma Castelnau, 1843 † accepted as Leonaspis Richter, 1917 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Lichida (Order) > Selenopeltidae (Family)
 Acantholoma Gaudichaud-Beaupré ex Baillon, 1866 accepted as Pachystroma J. Müller Arg., 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Acantholoma Herzog, 1926 accepted as Bryoacantholoma W. Schultze-Motel, 1963 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Spiridentaceae (Family)
 Acantholoma Stål, 1867 accepted as Acantholomidea Sailer, 1945 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Scutelleridae (Family)

Acantholonche
     Acantholonche Haeckel, 1881 accepted as Acantholonche Haeckel, 1881 (unassessed) · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Polycystinea (awaiting allocation) (Order) > Radiolaria (awaiting allocation) (Family)
     Acantholonche Popofsky, 1904 accepted as Acantholonche Popofsky, 1904 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Acantholophus
     Acantholophus Boisduval, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Acantholophus Dejean, 1834 accepted as Acantholophus Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Acantholophus Guérin-Ménéville in Duperry, 1838 accepted as Acantholophus Guérin-Ménéville in Duperry, 1838 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Acantholophus Koch, 1839 accepted as Lacinius Thorell, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Phalangiidae (Family)

Acanthomera
     Acanthomera Wiedemann, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Pantophthalmidae (Family)
     Acanthomera Montrouzier, 1864 accepted as Acanthomera Montrouzier, 1864 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acanthomera Latreille in Cuvier, 1829 accepted as Psorodes Solier in Baudi & Truqui, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Acanthomerus
 Acanthomerus Schönherr, 1843 accepted as Australafer Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acanthomerus Guérin, 1834 accepted as Psorodes Solier in Baudi & Truqui, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Acanthomerus Wollaston, 1871 accepted as Acanthinomerus Boheman, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acanthometron
     Acanthometron Popofsky, 1904 accepted as Acanthometron Popofsky, 1904 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Acanthometron Haeckel, 1887 · Chromista (Kingdom) > Retaria (Phylum) > Acantharea (Class) > Arthracanthida (Order) > Acanthometridae (Family)

Acanthomuricea
     Acanthomuricea Thomson & Henderson, 1906 accepted as Acanthomuricea Thomson & Henderson, 1906 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Acanthomuricea Hentschel, 1903 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Gorgonacea (Order) > Plexauridae (Family)

Acanthomys
 Acanthomys Gray, 1843 accepted as Rattus Fischer de Waldheim, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Muridae (Family)
 Acanthomys Tokuda, 1941 accepted as Tokudaia Kuroda, 1943 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Muridae (Family)
 Acanthomys Lesson, 1842 accepted as Acomys Geoffroy, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Muridae (Family)
 Acanthomys Gray, 1867 accepted as Rattus Fischer de Waldheim, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Muridae (Family)

Acanthonema
     Acanthonema Grabau, 1909 † · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca incertae sedis (Class) > Gastropoda/Monoplacophora incertae sedis (Order) > Euomphalidae (Family)
     Acanthonema J.D. Hooker, 1862 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
 Acanthonema J.Agardh, 1846 accepted as Camontagnea Pujals, 1981 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Palmariales (Order) > Rhodothamniellaceae (Family)

Acanthoneura
 Acanthoneura Stein, 1919 accepted as Syllimnophora Speiser, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
 Acanthoneura Schiner, 1868 accepted as Acanthonevra Macquart, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Acanthonia
     Acanthonia Popofsky, 1904 accepted as Acanthonia Popofsky, 1904 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Acanthonia Haeckel, 1881 accepted as Acanthonia Haeckel, 1881 (unassessed) · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Polycystinea (awaiting allocation) (Order) > Radiolaria (awaiting allocation) (Family)
 Acanthonia Wasmann, 1916 accepted as Gapia Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acanthonia Wasmann, 1918 accepted as Gapia Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acanthonia Wasmann, 1916 accepted as Gapia Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Acanthoniscus
     Acanthoniscus Kinahan, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Armadillidae (Family)
     Acanthoniscus Sars, 1879 accepted as Acanthoniscus Sars, 1879 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Isopoda (awaiting allocation) (Family)
     Acanthoniscus White, 1847 accepted as Acanthoniscus Kinahan, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Armadillidae (Family)

Acanthonotus
 Acanthonotus Swainson in Richardson, 1832 accepted as Acanthonotus Swainson in Richardson, 1832 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acanthonotus Taczanowski, 1872 accepted as Acanthonotus Taczanowski, 1872 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneae (awaiting allocation) (Family)
     Acanthonotus Koch, 1839 accepted as Acanthonotus Koch, 1839 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
 Acanthonotus Buckton, 1901 accepted as Acanthonotus Buckton, 1901 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acanthonotus Bentham in W.J. Hooker, 1849 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Acanthonotus Koch, 1848 accepted as Syleus Thorell, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
 Acanthonotus Bloch & Schneider, 1801 accepted as Notacanthus Bloch, 1788 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Notacanthiformes (Order) > Notacanthidae (Family)
     Acanthonotus Cuvier, 1800 accepted as Mystacoleucus Günther, 1868 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Acanthonotus Gray, 1830 accepted as Ailia Gray, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Schilbeidae (Family)
 Acanthonotus Goldfuss, 1809 accepted as Tachyglossus Illiger, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Monotremata (Order) > Tachyglossidae (Family)
 Acanthonotus Nalepa, 1889 accepted as Tegonotus Nalepa, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Eriophyidae (Family)
 Acanthonotus Tickell in Day, 1888 accepted as Mystacoleucus Günther, 1868 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Acanthonotus Ross in Ross, 1835 accepted as Acanthonotozoma Boeck, 1876 (homonym) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Acanthonotozomatidae (Family)

Acanthonyx
 Acanthonyx Hampson, 1902 accepted as Ctenusa Hampson, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Acanthonyx Latreille, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)

Acanthopale
     Acanthopale San Martín, 1986 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Chrysopetalidae (Family)
     Acanthopale C.B. Clarke in Thiselton-Dyer, 1899 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Acanthopalpus
     Acanthopalpus Ausserer, 1871 accepted as Acanthopalpus Ausserer, 1871 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Acanthopalpus Makarova, 1978 accepted as Makarovana Kocak & Kemal, 2008 (junior homonym) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Halacaridae (Family)

Acanthophaena
 Acanthophaena Blackwelder, 1952 accepted as Phanerota Casey, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acanthophaena Cameron, 1934 accepted as Phanerota Casey, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Acanthophallus
     Acanthophallus Cope, 1893 accepted as Acanthophallus Cope, 1893 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Acanthophallus Coiffait, 1965 accepted as Mesotyphlus Coiffait, 1957 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acanthophallus Coiffait, 1956 accepted as Xantholinus Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acanthophallus Lühe, 1903 accepted as Echinophallus Schumacher, 1914 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Pseudophyllidea (Order) > Echinophallidae (Family)

Acanthopharynx
     Acanthopharynx Marion, 1870 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Desmodorida (Order) > Desmodoridae (Family)
 Acanthopharynx Reisinger, 1924 accepted as (suppressed) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Typhloplanidae (Family)

Acanthophila
     Acanthophila Heinemann, 1870 accepted as Acanthophila Heinemann, 1870 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Acanthophila Duda, 1924 accepted as Spinulophila Duda, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Drosophilidae (Family)

Acanthophlebia
     Acanthophlebia Towns, 1983 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Leptophlebiidae (Family)
     Acanthophlebia Clarke, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Leptophlebiidae (Family)

Acanthophora
     Acanthophora J.V.F. Lamouroux, 1813 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
     Acanthophora Sollas, 1873 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Astrophorida (awaiting allocation) (Family)
 Acanthophora Hulst, 1896 accepted as Acanthotoca Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Acanthophora Merrill, 1918 accepted as Aralia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)
 Acanthophora Borgmeier, 1922 accepted as Acanthophorides Borgmeier, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)

Acanthophorus
     Acanthophorus Audinet-Serville, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acanthophorus Linstow, 1876 accepted as Tetrameres Creplin, 1846 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Tetrameridae (Family)
 Acanthophorus Strohmeyer, 1910 accepted as Pernophorus Strohmeyer, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acanthophrys
 Acanthophrys Loman, 1902 accepted as Acanthophrysella Strand, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Assamiidae (Family)
     Acanthophrys A. Milne-Edwards, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)

Acanthophthalmus
 Acanthophthalmus Montrouzier, 1855 accepted as Pseudozaena Laporte, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Acanthophthalmus van Hasselt, 1823 accepted as Cobitis Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cobitidae (Family)

Acanthophyllia
 Acanthophyllia Wells, 1937 accepted as Cynarina Brüggemann, 1877 (synonym) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Mussidae (Family)
     Acanthophyllia Guo, 1976 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Mussidae (Family)

Acanthophyllum
     Acanthophyllum Dybowski, 1873 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Ptenophyllidae (Family)
     Acanthophyllum C.A. Meyer, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)
 Acanthophyllum W.J. Hooker & Arnott in W.J. Hooker, 1835 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Acanthophyton
 Acanthophyton J.W. Dawson, 1862 † accepted as · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
     Acanthophyton Lessing, 1832 accepted as Acanthophyton Lessing, 1832 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Acanthopis
 Acanthopis Gray, 1825 accepted as Acanthophis Daudin in Sonnini, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
 Acanthopis accepted as Acanthopus Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces incertae sedis (Family)

Acanthopleura
     Acanthopleura Engel in Lindner, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
     Acanthopleura Guilding, 1829 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Chitonidae (Family)
     Acanthopleura K.H.E. Koch, 1849 accepted as Acanthopleura K.H.E. Koch, 1849 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Acanthopleurus
     Acanthopleurus Agassiz, 1844 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Tetraodontiformes (awaiting allocation) (Family)
     Acanthopleurus Egerton, 1841 † accepted as Acanthopleurus Agassiz, 1844 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Tetraodontiformes (awaiting allocation) (Family)

Acanthoplites
     Acanthoplites Sinzow, 1907 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
 Acanthoplites Douvillé, 1912 † accepted as Acanthohoplites Sinzow, 1907 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Deshayesitidae (Family)

Acanthopora
     Acanthopora Young & Young, 1876 accepted as Acanthopora Young & Young, 1876 (unassessed) · Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Acanthopora d'Orbigny, 1849 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cyclostomatida (Order) > Cyclostomatida (awaiting allocation) (Family)
 Acanthopora Moseley, 1876 accepted as Stellapora Cairns, 1983 (junior homonym) · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Stylasteridae (Family)
 Acanthopora Verrill, 1864 † accepted as Echinopora Lamarck, 1816 (synonym) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Merulinidae (Family)
     Acanthopora Valiukevičius, 2003 † accepted as Acanthopora Valiukevičius, 2003 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Acanthodii (Class) > Ischnacanthiformes (Order) > Ischnacanthidae (Family)

Acanthopsilus
     Acanthopsilus Kieffer in André, 1908 accepted as Acanthopsilus Kieffer in André, 1908 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Acanthopsilus Portevin, 1914 accepted as Nicrophorus Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Silphidae (Family)

Acanthopsis
     Acanthopsis W.H. Harvey, 1842 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Acanthopsis Agassiz, 1832 † accepted as Cobitis Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cobitidae (Family)
 Acanthopsis van Hasselt in Férussac, 1824 accepted as Cobitis Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cobitidae (Family)

Acanthopsylla
     Acanthopsylla Jordan & Rothschild, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Siphonaptera (Order) > Pygiopsyllidae (Family)
     Acanthopsylla Nordberg, 1935 accepted as Acanthopsylla Nordberg, 1935 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Siphonaptera (Order) > Siphonaptera (awaiting allocation) (Family)

Acanthoptera
     Acanthoptera Latreille in Cuvier, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Acanthoptera Popofsky, 1904 accepted as Acanthoptera Popofsky, 1904 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Acanthopterus
     Acanthopterus Faust, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acanthopterus Guérin-Méneville, 1844 accepted as Purpuricenus Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acanthopterus Gray, 1832 accepted as Acanthoptera Latreille in Cuvier, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Acanthopus
 Acanthopus Münster, 1839 accepted as Acanthopus Münster, 1839 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Acanthopus Oken, 1816 accepted as Acanthopus Oken, 1816 (Published in a rejected work (ICZN)) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces incertae sedis (Family)
 Acanthopus Giebel, 1872 accepted as Acanthopus Giebel, 1872 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Acanthopus Vernet, 1877 accepted as Acanthopus Vernet, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Cytherideidae (Family)
     Acanthopus Klug, 1807 accepted as Acanthopus Klug, 1807 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Acanthopus Dahl, 1823 accepted as Acanthopus Dahl, 1823 (Published in a suppressed work (ICZN)) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Acanthopus Latreille in Cuvier, 1829 accepted as Enoplopus Solier in Baudi & Truqui, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Acanthopus De Haan, 1833 accepted as Percnon Gistel, 1848 (preoccupied) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Grapsidae (Family)

Acanthopygus
     Acanthopygus Montrouzier, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)
 Acanthopygus Deyrolle, 1864 accepted as Geralius Harold, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Acanthopyrgus
     Acanthopyrgus Handfield, 1967 † · Animalia (Kingdom) > Archaeocyatha (Phylum) > Archaeocyatha (awaiting allocation) (Class) > Capsulocyathida (Order) > Fransuasaecyathidae (Family)
     Acanthopyrgus Descamps & Wintrebert, 1966 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Pyrgomorphidae (Family)

Acanthorhinus
 Acanthorhinus Agassiz, 1846 accepted as Acantharhinus Schönherr, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dryophthoridae (Family)
 Acanthorhinus Blainville, 1816 accepted as Squalus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Squalidae (Family)

Acanthorhipsalis
 Acanthorhipsalis M. Kimnach, 1983 accepted as Lepismium Pfeiffer, 1835 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
 Acanthorhipsalis (K. Schumann) N.L. Britton & J.N. Rose, 1923 accepted as Lepismium Pfeiffer, 1835 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Acanthorhynchia
     Acanthorhynchia Buckman, 1917 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Rhynchonellidae (Family)
     Acanthorhynchia Buckman, 1914 † accepted as Acanthorhynchia Buckman, 1917 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Rhynchonellidae (Family)

Acanthorhynchus
     Acanthorhynchus Gould, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Meliphagidae (Family)
     Acanthorhynchus Diesing, 1850 accepted as Acanthorhynchus Diesing, 1850 (unassessed) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cestoda (awaiting allocation) (Order) > Cestoda (awaiting allocation) (Family)
 Acanthorhynchus Shear, 1907 accepted as Physalospora Niessl, 1876 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Hyponectriaceae (Family)

Acanthoscelis
     Acanthoscelis Dejean, 1825 accepted as Acanthoscelis Dejean, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Acanthoscelis Latrielle, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Acanthoscelis Warren, 1901 accepted as Xanthisthisa Speiser, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Acanthoscelis Dietz, 1897 accepted as Acanthoscelidius · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acanthosentis
     Acanthosentis Podder, 1941 accepted as Acanthosentis Podder, 1941 (unassessed) · Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)
 Acanthosentis Verma & Datta, 1929 accepted as Acanthogyrus Thapar, 1927 · Animalia (Kingdom) > Acanthocephala (Phylum) > Eoacanthocephala (Class) > Gyracanthocephala (Order) > Quadrigyridae (Family)

Acanthosoma
     Acanthosoma Ross in Ross, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Sergestoidea incertae sedis (Family)
     Acanthosoma Claus, 1863 accepted as Acanthosoma Claus, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Acanthosoma Curtis, 1824 accepted as Acanthosoma Curtis, 1824 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Acanthosomatidae (Family)
 Acanthosoma DeKay, 1842 accepted as Mola Koelreuter, 1766 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Molidae (Family)
 Acanthosoma Mayer, 1844 accepted as Onesia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Calliphoridae (Family)

Acanthosphaera
 Acanthosphaera S.N. Naumova, 1968 † accepted as Acanthosphaera S.N. Naumova, 1968 † (Not validly published) · Protozoa (Kingdom) > Acritarcha (Phylum) > Acritarcha (awaiting allocation) (Class) > Acritarcha (awaiting allocation) (Order) > Acritarcha (awaiting allocation) (Family)
     Acanthosphaera Lemmermann, 1899 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Chlorellales (Order) > Chlorellaceae (Family)
     Acanthosphaera Duan, 1984 † accepted as Acanthosphaera Duan, 1984 † (unassessed) · Animalia (Kingdom) > Problematica (Phylum) > Problematica (awaiting allocation) (Class) > Problematica (awaiting allocation) (Order) > Problematica (awaiting allocation) (Family)
     Acanthosphaera Ehrenberg, 1858 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Actinommidae (Family)
 Acanthosphaera Warburg, 1907 accepted as Naucleopsis Miquel in C.F.P. Martius, 1853 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Moraceae (Family)

Acanthospira
     Acanthospira Reinsch, 1877 accepted as Acanthospira Reinsch, 1877 · Chromista (Kingdom) > Retaria (Phylum) > Acantharea (Class) > Holacanthida (Order) > Acanthocollidae (Family)
     Acanthospira Schewiakoff, 1926 accepted as Acanthospira Schewiakoff, 1926 (unassessed) · Chromista (Kingdom) > Retaria (Phylum) > Acantharea (Class) > Holacanthida (Order) > Acanthocollidae (Family)
 Acanthospira Weller, 1914 † accepted as Acanthospirina Schuchert & Le Vene, 1929 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Gerkispiridae (Family)

Acanthospora
     Acanthospora K.P.J. Sprengel, 1817 accepted as Acanthospora K.P.J. Sprengel, 1817 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)
     Acanthospora Léger, 1892 · Chromista (Kingdom) > Miozoa (Phylum) > (Class) > Eugregarinida (Order) > Actinocephalidae (Family)

Acanthostethus
     Acanthostethus Smith, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Sphecidae (Family)
 Acanthostethus Herre, 1939 accepted as Gulaphallus Herre, 1925 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Atheriniformes (Order) > Phallostethidae (Family)

Acanthostigmella
     Acanthostigmella F. von Höhnel, 1905 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Tubeufiaceae (Family)
 Acanthostigmella Rick, 1933 accepted as Acanthostigma De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Tubeufiaceae (Family)

Acanthostoma
     Acanthostoma Credner, 1883 † accepted as Acanthostoma Credner, 1883 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Acanthostoma Fischer-Waldheim, 1813 accepted as Acanthostoma Fischer-Waldheim, 1813 (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)
     Acanthostoma Kriechbaumer, 1894 accepted as Acanthostoma Kriechbaumer, 1894 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Acanthostoma Theissen, 1912 accepted as Phaeodimeriella Spegazzini, 1908 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetidae incertae sedis (Order) > Pseudoperisporiaceae (Family)

Acanthotheca
     Acanthotheca A.P. de Candolle, 1838 accepted as Acanthotheca A.P. de Candolle, 1838 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Acanthotheca F.E. Clements & Shear, 1931 accepted as Acanthotheciella F. von Höhnel, 1911 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetes incertae sedis (Order) > Sordariomycetes incertae sedis (Family)
     Acanthotheca Vendrasco, Kouchinsky, Porter & Fernandez, 2011 † · Animalia (Kingdom) > Mollusca (Phylum) > Helcionelloida (Class) > Helcionelliformes (Order) > Stenothecidae (Family)

Acanthothecium
 Acanthothecium Vainio, 1890 accepted as Acanthothecis Clements, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
 Acanthothecium Spegazzini, 1889 accepted as Ypsilonia J.H. Léveillé, 1846 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetes incertae sedis (Order) > Sordariomycetes incertae sedis (Family)

Acanthothorax
     Acanthothorax Gaede, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)
 Acanthothorax A. Costa in O.G. Costa, 1839 accepted as Polytoxus Spinola, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
 Acanthothorax Bretfeld & Griegel, 1999 accepted as Acanthoneelidus Bretfeld & Griegel, 2006 (junior homonym) · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Neelipleona (Order) > Neelidae (Family)

Acanthothyris
 Acanthothyris Bronn, 1862 † accepted as Acanthothiris d'Orbigny, 1850 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Acanthothirididae (Family)
 Acanthothyris Paetel, 1875 † accepted as Acanthothiris d'Orbigny, 1850 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Rhynchonellidae (Family)

Acanthotrema
     Acanthotrema A. Frisch, 2006 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Acanthotrema Travassos, 1928 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Heterophyidae (Family)
 Acanthotrema Oshmarin & Parakhin, 1960 accepted as Pandiontrema Oshmarin, 1963 (synonym) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Heterophyidae (Family)
 Acanthotrema Baker & Rowe, 1990 accepted as Kermabrissoides Baker, 1998 (preoccupied (non Travassos, 1928)) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Palaeotropidae (Family)

Acanthotyphlus
 Acanthotyphlus Coiffait, 1972 accepted as Mesotyphlus Coiffait, 1957 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acanthotyphlus Coiffait, 1965 accepted as Mesotyphlus Coiffait, 1957 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Acanthozoon
     Acanthozoon Collingwood, 1876 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Polycladida (Order) > Pseudocerotidae (Family)
 Acanthozoon Heath & McGregor, 1912 accepted as Pseudoceros Lang, 1884 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Polycladida (Order) > Pseudocerotidae (Family)

Acanthura
     Acanthura Guilding, 1827 accepted as Acanthura Guilding, 1827 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acanthura Lindau, 1901 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Acanthurus
 Acanthurus Eichhoff, 1886 accepted as Diamerus Erichson, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Acanthurus Bertoni, 1901 accepted as Acanthurus Bertoni, 1901 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acanthurus Kirby, 1827 accepted as Acanthurus Kirby, 1827 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Acanthurus Forsskål, 1775 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)
     Acanthurus Daudin, 1803 accepted as Acanthurus Daudin, 1803 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Acanthurus Agassiz, 1846 accepted as Acanthrus Acharius, 1780 · Animalia (Kingdom) > Nematoda (Phylum) > Nematoda incertae sedis (Class) > Nemata incertae sedis (Order) > Nematoda incertae sedis (Family)

Acanthus
     Acanthus Gistl, 1834 accepted as Acanthus Gistl, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Acanthus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Acanthus Bloch, 1795 accepted as Acanthurus Forsskål, 1775 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)
 Acanthus Lockington, 1877 accepted as Pilumnus Leach, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pilumnidae (Family)
 Acanthus Van Dyke, 1932 accepted as Athous Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Acanthus Dumont, 1816 accepted as Carduelis Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)

Acanthyllis
 Acanthyllis Burmeister, 1837 accepted as Acanthyllis Burmeister, 1837 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Acanthyllis Pomel, 1874 accepted as Anthyllis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Acantodactylus
     Acantodactylus Desbrochers, 1894 accepted as Acantodactylus Desbrochers, 1894 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Acantodactylus accepted as Acanthodactylus Wiegmann, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Lacertidae (Family)

Acantopsis
     Acantopsis van Hasselt, 1823 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cobitidae (Family)
 Acantopsis Osella, 1977 accepted as Acamptopsis Champion, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acara
     Acara Walker, 1863 accepted as Acara Walker, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Acara Heckel, 1840 accepted as Astronotus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)

Acarauna
 Acarauna Catesby, 1771 accepted as Acarauna Catesby, 1771 (Published in a rejected work (ICZN)) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces incertae sedis (Family)
 Acarauna Sevastianoff, 1802 accepted as Gomphosus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)

Acardia
     Acardia Berthold in Latreille, 1827 accepted as Acardia Berthold in Latreille, 1827 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Acardia Schinz in Cuvier, 1822 accepted as Acardia Schinz in Cuvier, 1822 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Acardo
     Acardo Lamarck, 1799 accepted as Acardo Lamarck, 1799 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Acardo Bruguière, 1789 accepted as Acardo Bruguière, 1789 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Acardo Swainson, 1840 accepted as Acardo Swainson, 1840 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Acardo Herrmannsen, 1846 accepted as Acardo Herrmannsen, 1846 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Acarella
     Acarella H. Sydow, 1927 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Capnodiales (Order) > Asterinaceae (Family)
     Acarella Cohn, 1866 accepted as Acarella Cohn, 1866 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Acarellus
     Acarellus Westwood, 1870 accepted as Acarellus Westwood, 1870 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Acarellus Tatem, 1872 accepted as Acarellus Tatem, 1872 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Acarna
     Acarna Stål, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lophopidae (Family)
 Acarna J. Hill, 1762 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Acarna Boehmer in C.G. Ludwig, 1760 accepted as Atractylis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Acaroceras
     Acaroceras Grandjean, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Microzetidae (Family)
     Acaroceras Chen, Qi & Chen in Chen, Zou, Chen & Qi, 1979 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ellesmerocerida (Order) > Ellesmeroceratida (awaiting allocation) (Family)

Acaropsis
     Acaropsis Moquin-Tandon, 1863 accepted as Acaropsis Moquin-Tandon, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Cheyletidae (Family)
 Acaropsis Steindachner, 1875 accepted as Acaronia Myers, 1940 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)
 Acaropsis Jordan, 1906 accepted as Acaromimus Jordan, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)

Acarotalpa
     Acarotalpa Volgin, 1966 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Acaridae (Family)
     Acarotalpa Amerling, 1861 accepted as Acarotalpa Amerling, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Acartiella
     Acartiella Sewell, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Acartiidae (Family)
 Acartiella Steuer, 1934 accepted as Acartia Dana, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Acartiidae (Family)

Acarus
     Acarus Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Acaridae (Family)
 Acarus De Blainville, 1816 accepted as Acavus de Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Acavidae (Family)

Acaste
 Acaste Gistl, 1847 accepted as Acaste Gistl, 1847 (Misspelling) · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Holothuroidea (awaiting allocation) (Order) > Holothuroidea (awaiting allocation) (Family)
     Acaste Goldfuss, 1843 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Phacopida (Order) > Acastidae (Family)

Acastea
     Acastea Yang, 1993 † · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Parvivaccidae (Family)
     Acastea Rafinesque, 1815 accepted as Acastea Rafinesque, 1815 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)

Acastopyge
     Acastopyge Tomcyzkowa, 1971 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Phacopida (Order) > Phacopida (awaiting allocation) (Family)
     Acastopyge Tomczykowa & Tomczyk, 1970 † accepted as Acastopyge Tomcyzkowa, 1971 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Phacopida (Order) > Phacopida (awaiting allocation) (Family)

Acathartus
     Acathartus Grouvelle, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cucujidae (Family)
 Acathartus Fåhraeus in Harold, 1872 accepted as Ossibia Pascoe, 1867 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Acaulon
     Acaulon Müller Hal., 1847 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Funariales (Order) > Gigaspermaceae (Family)
 Acaulon N.E. Brown, 1928 accepted as Aloinopsis Schwantes, 1926 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)

Acca
     Acca O.C. Berg, 1856 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Acca Hübner, 1819 accepted as Pantoporia Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Acca Johnson, 1899 accepted as Aka de Laubenfels, 1936 (preoccupied) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Haplosclerida (Order) > Phloeodictyidae (Family)

Accentor
     Accentor Bechstein, 1795 accepted as Accentor Bechstein, 1795 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Cinclidae (Family)
     Accentor Bechstein, 1802 accepted as Accentor Bechstein, 1802 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Prunellidae (Family)

Accia
 Accia Curtis, 1844 accepted as Sericoides Guérin-Ménéville, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Accia A.F.C. Saint-Hilaire, 1840 accepted as Plukenetia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Accola
 Accola Jordan, 1894 accepted as Accolona Strand, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Accola Simon, 1889 accepted as Masteria Koch in Koch (Keyserling), 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Dipluridae (Family)

Aceclostria
     Aceclostria Schaus in Seitz, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Mimallonidae (Family)
     Aceclostria Vuillot, 1893 accepted as Aceclostria Schaus in Seitz, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Mimallonidae (Family)

Acelis
 Acelis Diesing, 1862 accepted as Acmostomum Schmarda, 1859 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Prolecithophora (Order) > Plagiostomidae (Family)
 Acelis Plehn, 1896 accepted as Plehnia Bock, 1913 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Polycladida (Order) > Plehniidae (Family)

Acentetus
 Acentetus Scudder, 1897 accepted as Acentetus Scudder, 1897 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Acentetus Cabanis & Heine, 1863 accepted as Phaenicophaeus Stephens in Shaw, 1815 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Cuculiformes (Order) > Cuculidae (Family)

Acentra
     Acentra Burrows, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Psychidae (Family)
 Acentra R.A. Philippi, 1870 accepted as Hybanthus N.J. Jacquin, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Violaceae (Family)

Acentrolophus
 Acentrolophus Nardo, 1827 accepted as Centrolophus Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Centrolophidae (Family)
     Acentrolophus Nardo, 1827 accepted as Centrolophus Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Centrolophidae (Family)

Acentroptera
     Acentroptera Baly, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Acentroptera Dejean, 1835 accepted as Acentroptera Baly, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Acentropus
 Acentropus Curtis, 1834 accepted as Acentria Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Acentropus Westwood, 1835 accepted as Acentria Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Acentrus
     Acentrus Desmarest, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acentrus Dejean, 1836 accepted as Acentrus Desmarest, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Acentrus Dejean, 1835 accepted as Acentrus Desmarest, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acentrus Schönherr, 1845 accepted as Acentrus Desmarest, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Aceosejus
     Aceosejus Sellnick, 1941 accepted as Aceosejus Sellnick, 1941 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Aceosejus Chant, 1963 accepted as Aceoseius Sellnick, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Ascidae (Family)

Acephalus
     Acephalus Marques, Canal, Mazel & Baudoin, 1984 accepted as Acephalus Marques, Canal, Mazel & Baudoin, 1984 (unassessed) · Chromista (Kingdom) > Miozoa (Phylum) > Apicomplexa (awaiting allocation) (Class) > Apicomplexa (awaiting allocation) (Order) > Apicomplexa (awaiting allocation) (Family)
     Acephalus Mandal & Ray, 2013 · Chromista (Kingdom) > Miozoa (Phylum) > (Class) > Eugregarinida (Order) > Acephalidae (Family)

Acera
 Acera Albers, 1850 accepted as Holospira Martens in Albers, 1860 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Urocoptidae (Family)
 Acera Jeffreys, 1867 accepted as Akera O. F. Müller, 1776 (unjustified emendation of Akera Müller, 1776) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Anaspidea (Order) > Akeridae (Family)
 Acera Lamarck, 1822 accepted as Philinopsis Pease, 1860 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Aglajidae (Family)

Acerana
 Acerana Gray, 1833 accepted as Aracana Gray, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Aracanidae (Family)
 Acerana Kaup, 1855 accepted as Aracana Gray, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Aracanidae (Family)

Aceras
 Aceras R. Brown in W.T. Aiton, 1813 accepted as Orchis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Aceras Locard, 1886 accepted as Akera O. F. Müller, 1776 (unjustified emendation of Akera, placed on official Index by ICZN Opinion 539) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Anaspidea (Order) > Akeridae (Family)

Aceratosmia
     Aceratosmia Tkalcu, 1969 accepted as Aceratosmia Tkalcu, 1969 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Aceratosmia Schmiedeknecht, 1885 accepted as Aceratosmia Schmiedeknecht, 1885 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Acerbia
     Acerbia Sotavalta, 1963 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Arctiidae (Family)
 Acerbia (P.A. Saccardo) P.A. Saccardo & P. Sydow, 1899 accepted as Rosenscheldia Spegazzini, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)

Acerella
     Acerella Berlese, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Protura (Class) > Acerentomata (Order) > Acerentomidae (Family)
 Acerella Allen, 1971 accepted as Ephacerella Paclt, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Ephemerellidae (Family)

Acerina
     Acerina Rafinesque, 1814 accepted as Acerina Rafinesque, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Acerina Cuvier, 1816 accepted as Gymnocephalus Bloch, 1793 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Percidae (Family)
 Acerina Güldenstädt, 1775 accepted as Gymnocephalus Bloch, 1793 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Percidae (Family)

Aceriphyllum
     Aceriphyllum W.M. Fontaine, 1889 † accepted as Aceriphyllum W.M. Fontaine, 1889 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliopsida (awaiting allocation) (Order) > Magnoliopsida (awaiting allocation) (Family)
 Aceriphyllum Engler in Engler & Prantl, 1891 accepted as Mukdenia Koidzumi, 1935 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)

Acerites
 Acerites W. Hisinger, 1837 † accepted as Acerites Viviani, 1833 † (junior homonym and synonym) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
     Acerites Viviani, 1833 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Acerodon
     Acerodon Jourdan, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Pteropodidae (Family)
 Acerodon Wagner in Schreber, 1839 accepted as Acerodon Jourdan, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Pteropodidae (Family)

Aceropsis
 Aceropsis Stuxberg, 1880 accepted as Arrhis Stebbing, 1906 (nomen nudum) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Oedicerotidae (Family)
 Aceropsis Sars, 1892 accepted as Aceroides Sars, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Oedicerotidae (Family)

Aceros
     Aceros Hodgson, 1844 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Bucerotidae (Family)
 Aceros Lang, 1884 accepted as Acerotisa Strand, 1928 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Polycladida (Order) > Euryleptidae (Family)
 Aceros Boeck, 1861 accepted as Arrhis Stebbing, 1906 (homonym (Aves)) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Oedicerotidae (Family)

Acerota
     Acerota Förster, 1856 accepted as Acerota Förster, 1856 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Acerota auctt. accepted as Acerota auctt. (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Platygastridae (Family)

Acerus
     Acerus Dejean, 1833 accepted as Acerus Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Acerus Burmeister, 1847 accepted as Acerus Burmeister, 1847 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Acerus Agassiz, 1846 accepted as Aceros Hodgson, 1844 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Bucerotidae (Family)
 Acerus Burmeister, 1847 accepted as Aceratus Prell, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Acerus Michael, 1884 accepted as Tiphys Koch, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Pionidae (Family)

Acervularia
     Acervularia Lonsdale in Murchison, 1839 † accepted as Acervularia Lonsdale in Murchison, 1839 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Acervularia Schweigger, 1819 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Acervulariidae (Family)

Acervulina
     Acervulina Schultze, 1854 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Acervulinidae (Family)
     Acervulina Hanzawa, 1957 † accepted as Acervulina Hanzawa, 1957 † (unassessed) · Protozoa (Kingdom) > (Phylum) > (Class) > (Order) > Protozoa (awaiting allocation) (Family)

Acesta
     Acesta H. Adams & A. Adams, 1858 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Limoida (Order) > Limidae (Family)
 Acesta Strel'tzov, 1973 accepted as Aricidea Webster, 1879 (erected as subgenus but a junior homonym replaced by Acmira Hartley) · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Cirratulida (Order) > Paraonidae (Family)

Acestra
     Acestra Dallas, 1852 accepted as Acestra Dallas, 1852 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acestra Kner, 1853 accepted as Farlowella Eigenmann & Eigenmann, 1889 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Loricariidae (Family)
 Acestra Römer, 1861 † accepted as Opeamorphus de Laubenfels in Moore, 1955 † · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Lyssacinosida (Order) > Lyssacinosida (awaiting allocation) (Family)
 Acestra Bonaparte, 1846 accepted as Nerophis Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Syngnathiformes (Order) > Syngnathidae (Family)

Acestrus
     Acestrus Woodward, 1901 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Perciformes (awaiting allocation) (Family)
     Acestrus Agassiz, 1845 † accepted as Acestrus Woodward, 1901 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Perciformes (awaiting allocation) (Family)

Acestus
     Acestus Leidy, 1851 accepted as Acestus Leidy, 1851 (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
     Acestus Haag-Rutenberg, 1875 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Acetabularia
     Acetabularia J.V.F. Lamouroux, 1812 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Dasycladales (Order) > Polyphysaceae (Family)
 Acetabularia (Berkeley) Massee, 1893 accepted as Cyphellopus Fayod, 1889 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Bolbitiaceae (Family)

Acetabulum
 Acetabulum Boehmer in Ludwig, 1760 accepted as (nomen rejiciendum) · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyta (awaiting allocation) (Class) > Chlorophyta (awaiting allocation) (Order) > Chlorophyta (awaiting allocation) (Family)
     Acetabulum Lamarck, 1816 accepted as Acetabulum Lamarck, 1816 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Acetosella
 Acetosella (Meisner) Fourreau, 1869 accepted as Rumex Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Polygonaceae (Family)
 Acetosella O. Kuntze, 1891 accepted as Oxalis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Oxalidales (Order) > Oxalidaceae (Family)

Achaea
     Achaea Hübner, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Achaea Cambridge, 1882 accepted as Achaearanea Strand, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Theridiidae (Family)

Achaemenes
     Achaemenes Stål, 1866 accepted as Achaemenes Stål, 1866 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Achaemenes Bogatchev, 1947 accepted as Thriptera Solier, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Achaeta
     Achaeta Vejdovský, 1878 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Enchytraeidae (Family)
 Achaeta E.P.N. Fournier, 1886 accepted as Calamagrostis Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Achaetothrips
     Achaetothrips Shumsher Singh, 1946 accepted as Achaetothrips Shumsher Singh, 1946 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Thysanoptera (Order) > Thysanoptera (awaiting allocation) (Family)
     Achaetothrips Karny, 1908 accepted as Achaetothrips Karny, 1908 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Thysanoptera (Order) > Thripidae (Family)

Achaeus
 Achaeus Erman, 1835 accepted as Bradypus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Pilosa (Order) > Bradypodidae (Family)
     Achaeus Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Inachidae (Family)

Achagua
     Achagua Rindge, 1983 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Achagua M. R. Campos, 2001 accepted as Eudaniela Pretzmann, 1971 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pseudothelphusidae (Family)

Acharia
     Acharia Thunberg, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Achariaceae (Family)
     Acharia Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Limacodidae (Family)

Acharista
     Acharista Emel'yanov, 1968 accepted as Acharista Emel'yanov, 1968 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Acharista Melichar, 1924 accepted as Acharista Melichar, 1924 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Achates
     Achates Stål, 1867 accepted as Achates Stål, 1867 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Achates Gistl, 1834 accepted as Achates Gistl, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Achates Gistl, 1848 accepted as Janthina Röding, 1798 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Janthinidae (Family)

Achatinella
     Achatinella Swainson, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Achatinellidae (Family)
     Achatinella Schlüter, 1838 accepted as Achatinella Schlüter, 1838 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Acheles
 Acheles Oudemans, 1903 accepted as Raphignathus Dugès, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Raphignathidae (Family)
 Acheles Cocco, 1832 accepted as Sergestes H. Milne Edwards, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Sergestidae (Family)

Acherontiellina
 Acherontiellina Salmon, 1964 accepted as Acherontiella Absolon, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Hypogastruridae (Family)
     Acherontiellina Delamare-Deboutteville, 1948 accepted as Acherontiella Absolon, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Hypogastruridae (Family)

Acherusia
     Acherusia Costa, 1834 accepted as Acherusia Costa, 1834 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Acherusia Laporte & Gory, 1838 accepted as Mimicoclytrina Bellamy, 2003 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Acherusia Lucas, 1849 accepted as Rocinela Leach, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Aegidae (Family)

Acheta
     Acheta Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Gryllidae (Family)
 Acheta Linnaeus, 1758 accepted as Acheta Linnaeus, 1758 (Not validly published) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Gryllidae (Family)

Achilleum
     Achilleum Münster, 1834 accepted as Achilleum Münster, 1834 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Achilleum Oken, 1815 accepted as Achilleum Oken, 1815 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Alcyonacea (Order) > Alcyonacea (awaiting allocation) (Family)

Achilus
     Achilus Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Achilidae (Family)
     Achilus Hemsley, 1895 accepted as Achilus Hemsley, 1895 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)

Achimenes
     Achimenes Persoon, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
 Achimenes M. Vahl, 1791 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
 Achimenes P. Browne, 1756 accepted as Columnea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Achistrum
     Achistrum Hampton, 1958 † accepted as Achistrum Hampton, 1958 † (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Holothuroidea (awaiting allocation) (Order) > Holothuroidea (awaiting allocation) (Family)
     Achistrum Etheridge, 1881 † · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Apodida (Order) > Apodida (awaiting allocation) (Family)

Achlaena
     Achlaena Karsch, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Mantidae (Family)
     Achlaena Grisebach, 1866 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Achlis
 Achlis Fischer, 1829 accepted as Alces Gray, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)
 Achlis Reichenbach, 1845 accepted as Rangifer Smith, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)

Achlya
     Achlya C.G.D. Nees in Carus, 1823 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Saprolegniales (Order) > Saprolegniaceae (Family)
     Achlya Billberg, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Thyatiridae (Family)

Achlys
     Achlys A.P. de Candolle, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Berberidaceae (Family)
     Achlys Gistl, 1847 accepted as Achlys Gistl, 1847 (unassessed) · Animalia (Kingdom) > Rotifera (Phylum) > Rotifera (awaiting allocation) (Class) > Rotifera (awaiting allocation) (Order) > Rotifera (awaiting allocation) (Family)
 Achlys Agassiz, 1846 accepted as Alces Gray, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)
     Achlys Gistl, 1848 accepted as (Unjustified emendation of Trichoda) · Protozoa (Kingdom) > Protozoa incertae sedis (Phylum) > (Class) > (Order) > (Family)

Achneria
 Achneria Palisot de Beauvois, 1812 accepted as Eriachne R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Achneria Munro ex Bentham & J.D. Hooker, 1883 accepted as Pentameris Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Achoerus
 Achoerus Vlasenko, 1931 nec Beklemischev, 1914 accepted as Metadena Linton, 1910 (synonym) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Cryptogonimidae (Family)
     Achoerus Beklemischev, 1914 · Animalia (Kingdom) > Xenacoelomorpha (Phylum) > Acoelomorpha incertae sedis (Class) > Acoela (Order) > Convolutidae (Family)

Achoeus
 Achoeus Desmarest, 1823 accepted as Achaeus Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Majidae (Family)
 Achoeus Guérin-Ménéville, 1844 accepted as Bradypus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Pilosa (Order) > Bradypodidae (Family)

Achradocystis
     Achradocystis Zittel, 1897 † accepted as Achradocystis Zittel, 1897 † (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Achradocystis Haeckel, 1896 † accepted as Achradocystites Volborth, 1870 † · Animalia (Kingdom) > Echinodermata (Phylum) > Paracrinoidea (Class) > Comarocystitida (Order) > Comarocystitida (awaiting allocation) (Family)

Achras
     Achras Waterhouse, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lycidae (Family)
 Achras Linnaeus, 1753 accepted as Manilkara Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)

Achrus
     Achrus Lindberg, 1924 accepted as Achrus Lindberg, 1924 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Achrus Dejean, 1821 accepted as Lixus Fabricius, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Achrysum
     Achrysum A. Gray, 1852 accepted as Achrysum A. Gray, 1852 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Achrysum Agassiz, 1846 accepted as Achryson Audinet-Serville, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Achthosus
     Achthosus Pascoe, 1863 accepted as Achthosus Pascoe, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Achthosus Gebien, 1911 accepted as Acthosus · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Achyronia
 Achyronia J.C. Wendland, 1798 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Achyronia A. van Royen ex Linnaeus, 1758 accepted as Achyronia A. van Royen ex Linnaeus, 1758 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Acia
     Acia McAtee, 1934 accepted as Acia McAtee, 1934 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acia Schreber, 1791 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Chrysobalanaceae (Family)
 Acia P.A. Karsten, 1879 accepted as Mycoacia Donk, 1931 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Meruliaceae (Family)

Acianthopsis
 Acianthopsis D.L. Szlachetko, 2002 accepted as Acianthus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Acianthopsis M.A. Clements & D.L. Jones, 2002 accepted as Acianthus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Acicula
     Acicula Hartmann, 1821 accepted as Acicula Hartmann, 1821 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Aciculidae (Family)
     Acicula Renier, 1807 accepted as Acicula Renier, 1807 (Suppressed name (ICZN)) · Animalia (Kingdom) > Nemertea (Phylum) > Nemertea (awaiting allocation) (Class) > Nemertea (awaiting allocation) (Order) > Nemertea (awaiting allocation) (Family)
     Acicula Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Aciculidae (Family)
     Acicula Oken, 1815 accepted as Acicula Oken, 1815 · Animalia (Kingdom) > Nemertea (Phylum) > Nemertea (awaiting allocation) (Class) > Nemertea (awaiting allocation) (Order) > Nemertea (awaiting allocation) (Family)

Acicularia
 Acicularia Carus & Gerstaecker, 1875 accepted as Acicularia Carus & Gerstaecker, 1875 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)
     Acicularia d'Archiac, 1837 † accepted as Acicularia d'Archiac, 1837 † (unassessed) · Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
     Acicularia A. d'Archiac, 1843 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Dasycladales (Order) > Dasycladaceae (Family)
     Acicularia Langerhans, 1877 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Typhloscolecidae (Family)
 Acicularia Monterosato, 1884 accepted as Polygireulima Sacco, 1892 (Invalid: junior homonym of Acicularia d'Archiac, 1837 [Porifera] and several others) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Eulimidae (Family)

Aciculella
     Aciculella Pia in Hirmer, 1927 † · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Dasycladales (Order) > Dasycladaceae (Family)
     Aciculella Vyalov, 1968 † · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Hippocrepinidae (Family)

Aciculina
     Aciculina Westerlund, 1887 accepted as Aciculina Westerlund, 1887 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Aciculina Meek, 1871 † accepted as Streptacis Meek, 1871 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Streptacididae (Family)
 Aciculina A. Adams, 1853 accepted as Nassarius Duméril, 1805 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)
 Aciculina Deshayes, 1861 † accepted as Eulimella Forbes & MacAndrew, 1846 (invalid: junior homonym of Aciculina A. Adams, 1853) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)
 Aciculina Vyalov, 1968 † accepted as Aciculella Vyalov, 1968 † (Opinion of Loeblich & Tappan, 1987) · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Hippocrepinidae (Family)

Aciculites
     Aciculites K.M. Piel, 1971 † accepted as Aciculites K.M. Piel, 1971 † (unassessed) · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
     Aciculites Schmidt, 1879 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Scleritodermidae (Family)

Acidalia
     Acidalia Hübner, 1819 accepted as Acidalia Hübner, 1819 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Acidalia Treitschke, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Acidalia Dejean, 1835 accepted as Acidalia Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Acidalia Chevrolat, 1837 accepted as Helioscopa Gistl, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Acideres
     Acideres Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Acideres Guérin-Ménéville, 1858 accepted as Acideres Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Acidia
     Acidia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Acidia Bosc, 1816 accepted as Ascidia Linnaeus, 1767 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Phlebobranchia (Order) > Ascidiidae (Family)
 Acidia Illiger, 1804 accepted as Akis Herbst in Jablonsky, 1799 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Acidiella
     Acidiella Hendel, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Acidiella Pearcey, 1902 accepted as Ascidiella Roule, 1884 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Phlebobranchia (Order) > Ascidiidae (Family)

Acidioxantha
 Acidioxantha Hendel, 1915 accepted as Acidoxantha Hendel, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Acidioxantha Shiraki, 1933 accepted as Acidoxantha Hendel, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Acidota
     Acidota Kirby in Stephens, 1829 accepted as Acidota Kirby in Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acidota Stephens, 1834 accepted as Acidota Kirby in Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Acidoton
     Acidoton O. Swartz, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Acidoton P. Browne, 1756 accepted as Flueggea Willdenow, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Aciella
 Aciella Van Tieghem, 1894 accepted as Amylotheca Van Tieghem, 1894 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Loranthaceae (Family)
 Aciella (P.A. Karsten) P.A. Karsten, 1899 accepted as Asterodon Patouillard, 1894 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Hymenochaetales (Order) > Hymenochaetaceae (Family)

Acilana
     Acilana Krishtofovich, 1964 † accepted as Acilana Krishtofovich, 1964 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
 Acilana Khomenko, 1937 † accepted as Acilana Khomenko, 1937 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Acilius
     Acilius Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)
 Acilius Rafinesque, 1815 accepted as Atyaephyra de Brito Capello, 1867 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Atyidae (Family)

Acinaces
     Acinaces Gerstaecker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)
 Acinaces Agassiz, 1846 accepted as Gempylus Cuvier, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gempylidae (Family)

Acinaria
 Acinaria Donati, 1758 accepted as Sargassum C.Agardh, 1820 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Fucales (Order) > Sargassaceae (Family)
     Acinaria Rafinesque, 1819 † accepted as Acinaria Rafinesque, 1819 † · Plantae (Kingdom) > Charophyta (Phylum) > Charophyceae (Class) > Charales (Order) > Characeae (Family)

Acineta
     Acineta J. Lindley, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Acineta Ehrenberg, 1834 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Suctorida (Order) > Acinetidae (Family)

Acinopus
     Acinopus Latreille in Cuvier, 1829 accepted as Acinopus Latreille in Cuvier, 1829 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Acinopus Dejean, 1821 accepted as Acinopus Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Acinopus Sturm, 1826 accepted as Acinopus Sturm, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Aciphylla
     Aciphylla J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Aciphylla J. Hector, 1886 † accepted as · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Acis
     Acis Lesson, 1830-1831 accepted as Acis Lesson, 1830-1831 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acis Dejean, 1835 accepted as Acis Dejean, 1835 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Acis R.A. Salisbury, 1807 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
     Acis Duchassaing & Michelloti, 1860 accepted as Acis Duchassaing & Michelloti, 1860 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Gorgonacea (Order) > Paramuriceidae (Family)
 Acis Berlese, 1883 accepted as Atemnus Berlese, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Pseudoscorpionida (Order) > Atemnidae (Family)
 Acis Chevrolat, 1837 accepted as Colasposoma Laporte, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Acis Billberg, 1820 accepted as Akis Herbst in Jablonsky, 1799 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Acitheca
     Acitheca R.S. Currah, 1985 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Onygenales (Order) > Gymnoascaceae (Family)
     Acitheca W.P. Schimper in W.P. Schimper & Schenk, 1879 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Marattiales (Order) > Marattiaceae (Family)

Aclees
     Aclees Schönherr, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Aclees Schönherr, 1833 accepted as Aclees Schönherr, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Aclees Dejean, 1835 accepted as Aclees Schönherr, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Aclinia
 Aclinia W. Griffith, 1851 accepted as Dendrobium O. Swartz, 1799 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Aclinia Garthe, 1837 accepted as Actinia Linnaeus, 1767 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniidae (Family)

Aclytia
     Aclytia Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Arctiidae (Family)
 Aclytia Broun, 1880 accepted as Asilis Broun, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cantharidae (Family)

Acmaea
     Acmaea Eschscholtz, 1833 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Acmaeidae (Family)
 Acmaea Keyserling in Koch (Keyserling), 1882 accepted as Hypoblemum Peckham, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Acmaea Agassiz, 1846 accepted as Acicula Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Acmaeidae (Family)
     Acmaea Eschscholtz in Kotzebue, 1830 accepted as Acmaea Eschscholtz, 1833 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Acmaeidae (Family)

Acmaeops
     Acmaeops Leconte, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acmaeops Thomson, 1866 accepted as Pachyta Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Acmella
     Acmella Blanford, 1869 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Assimineidae (Family)
     Acmella L.C.M. Richard in Persoon, 1807 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Acmocera
     Acmocera Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Acmocera Dejean, 1835 accepted as Acmocera Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Acmonotus
     Acmonotus McLachlan, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Ascalaphidae (Family)
 Acmonotus Philippi, 1896 accepted as Leptonotus Kaup, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Syngnathiformes (Order) > Syngnathidae (Family)

Acmophyllum
     Acmophyllum Sytova, 1968 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Ptenophyllidae (Family)
     Acmophyllum Karsch, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tetrigidae (Family)

Acoelius
 Acoelius Förster, 1851 accepted as Adelius Haliday, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
 Acoelius Agassiz, 1846 accepted as Adelius Haliday, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Acoelodus
     Acoelodus Ameghino, 1897 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Notoungulata (Order) > Archaeohyracidae (Family)
     Acoelodus Ameghino, 1897 † accepted as Acoelodus Ameghino, 1897 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Notoungulata (Order) > Archaeohyracidae (Family)

Acoeta
 Acoeta Valenciennes, 1833 accepted as Acoetes Audouin & Milne Edwards, 1832 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Acoetidae (Family)
 Acoeta Burmeister, 1837 accepted as Acoetes Audouin & Milne Edwards, 1832 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Acoetidae (Family)

Acoetes
     Acoetes Audouin & Milne Edwards, 1832 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Acoetidae (Family)
 Acoetes Agassiz, 1846 accepted as Acetes H. Milne Edwards, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Sergestidae (Family)

Acolastus
     Acolastus Scudder, 1872 accepted as Acolastus Scudder, 1872 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Acolastus Gerstaecker, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Acolium
 Acolium Trevisan, 1862 accepted as Cyphelium Acharius, 1815 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Caliciaceae (Family)
 Acolium (Acharius) S.F. Gray, 1821 accepted as Cyphelium Acharius, 1815 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Caliciaceae (Family)

Acolpus
 Acolpus Agassiz, 1846 accepted as Acolpus Agassiz, 1846 (Unjustified (?) emendation) · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Aspidochirotida (Order) > Holothuriidae (Family)
     Acolpus Vachal, 1893 accepted as Acolpus Vachal, 1893 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Acolpus Jayne, 1882 accepted as Trogoderma Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)

Acolus
     Acolus Förster, 1856 accepted as Acolus Förster, 1856 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Scelionidae (Family)
 Acolus Jukes-Browne, 1913 accepted as Jukesena Iredale, 1915 (Invalid: junior homonym of Acolus Foerster, 1856 (Hymenoptera); Jukesena Iredale, 1915 is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)

Acoma
 Acoma Steiner, 1920 accepted as Nemacoma Hope & Murphy, 1972 · Animalia (Kingdom) > Nematoda (Phylum) > Enoplea (Class) > Ironida (Order) > Oxystominidae (Family)
     Acoma Bentham, 1844 accepted as Acoma Bentham, 1844 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Acoma Casey, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Pleocomidae (Family)
     Acoma Casey, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Acomia
     Acomia Dujardin, 1841 accepted as Acomia Dujardin, 1841 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Acomia Diesing, 1848 · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Acomus
     Acomus Reichenbach, 1848 accepted as Acomus Reichenbach, 1848 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Acomus Girard, 1856 accepted as Catostomus Lesueur, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Catostomidae (Family)

Acontia
     Acontia Hübner, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Acontia Ochsenheimer, 1816 accepted as Acontia Ochsenheimer, 1816 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Acontia Westwood, 1848 accepted as Acontia Westwood, 1848 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Acontias
     Acontias Cuvier, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)
     Acontias Troost, 1836 accepted as Acontias Troost, 1836 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Acontias H.W. Schott in H.W. Schott & Endlicher, 1832 accepted as Xanthosoma H.W. Schott in H.W. Schott & Endlicher, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Acontistes
     Acontistes Sundevall, 1836 accepted as Acontistes Sundevall, 1836 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Acontistes Burmeister, 1838 accepted as Acontiothespis Rehn, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Acanthopidae (Family)

Acorynus
     Acorynus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)
     Acorynus Dejean, 1821 accepted as Mesocordylus Lacordaire, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dryophthoridae (Family)

Acosmetia
     Acosmetia Stephens, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Acosmetia Stephens, 1829 accepted as Acosmetia Stephens, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Acosmus
     Acosmus Dejean, 1834 accepted as Acosmus Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Acosmus Desvaux, 1816 accepted as Aspicarpa L.C. Richard, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)

Acosta
 Acosta Müller Hal., 1848 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Hypnaceae (Family)
 Acosta Ruiz & Pavón, 1794 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Polygalaceae (Family)
     Acosta Adanson, 1763 accepted as Acosta Adanson, 1763 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Acosta Loureiro, 1790 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
     Acosta Özdikmen, 2012 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Lysianassidae (Family)

Acostaea
     Acostaea d'Orbigny, 1851 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Etheriidae (Family)
     Acostaea Schlechter, 1923 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Acotreba
     Acotreba Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Acotreba Reitter, 1883 accepted as Acotreba Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Acourtia
     Acourtia Cockerell, 1921 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Acourtia D. Don, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Acra
     Acra Papin, 1973 † accepted as Acra Papin, 1973 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Arcidae (Family)
 Acra Bleeker, 1860 accepted as Labeo Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Acra Brunner von Wattenwyl, 1878 accepted as Acropsis Uvarov, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Acraea
     Acraea Hübner, 1819 accepted as Acraea Hübner, 1819 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)
 Acraea Lindley in Bentham, 1845 accepted as Pterichis Lindley, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Acraea Fabricius, 1808 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Acrantus
     Acrantus Wagler, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Teiidae (Family)
 Acrantus Broun, 1882 accepted as Chaetoptelius Fuchs in Reitter, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Acrasia
     Acrasia Rogenhofer, 1875 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Acrasia accepted as Acrasis Van Tieghem, 1880 · Protozoa (Kingdom) > Percolozoa (Phylum) > Heterolobosea (Class) > Acrasiales (Order) > Acrasiaceae (Family)

Acratus
     Acratus Lacordaire, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Acratus Horn, 1867 accepted as Chnaunanthus Burmeister, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Acreagris
     Acreagris Koch in Berendt, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Margarodidae (Family)
     Acreagris Koch in Berendt, 1845 accepted as Acreagris Koch in Berendt, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Margarodidae (Family)
     Acreagris Felder, 1874 accepted as Acreagris Felder, 1874 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Zygaenidae (Family)

Acremoniula
     Acremoniula G. Arnaud, 1954 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)
     Acremoniula G. Arnaud ex Ciferri, 1962 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Acrenhydrosoma
     Acrenhydrosoma Lang, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Cletodidae (Family)
 Acrenhydrosoma Lang, 1948 accepted as Acrenhydrosoma Lang, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Cletodidae (Family)

Acrida
     Acrida Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Acrida Kirby, 1825 accepted as Acrida Kirby, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Acridites
     Acridites Goldenberg, 1873 † accepted as Acridites Goldenberg, 1873 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Insecta (awaiting allocation) (Order) > Insecta (awaiting allocation) (Family)
     Acridites Germar in v. Münster, 1842 accepted as Acridites Germar in v. Münster, 1842 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Acridium
     Acridium Audinet-Serville, 1831 accepted as Acridium Audinet-Serville, 1831 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
 Acridium Schrank, 1801 accepted as Psophus Fieber, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Pyrgomorphidae (Family)

Acrilla
     Acrilla Stål, 1863 accepted as Acrilla Stål, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadidae (Family)
     Acrilla H. Adams, 1860 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Epitoniidae (Family)

Acrisius
     Acrisius Stål, 1860 accepted as Acrisius Stål, 1860 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Acrisius Desbrochers, 1869 accepted as Acrisius Desbrochers, 1869 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Acrista
     Acrista Hedley, 1922 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Clathurellidae (Family)
 Acrista O.F. Cook, 1901 accepted as Prestoea J.D. Hooker in Bentham & J.D. Hooker, 1883 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Acrobates
 Acrobates Bonaparte, 1850 accepted as Acrobates Bonaparte, 1850 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acrobates Desmarest, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Diprotodontia (Order) > Acrobatidae (Family)

Acrobela
     Acrobela Förster, 1862 accepted as Acrobela Förster, 1862 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Acrobela Thiele, 1925 accepted as Microdrillia Casey, 1903 (Invalid: junior homonym of Acrobela Foerster, 1862 [Hymenoptera]; Acropota is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Borsoniidae (Family)

Acrobothrium
 Acrobothrium Baer, 1948 accepted as Acanthobothrium Van Beneden, 1850 (preoccupied) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Tetraphyllidea (Order) > Onchobothriidae (Family)
 Acrobothrium Olsson, 1872 accepted as Cyathocephalus Kessler, 1868 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Spathebothriidea (Order) > Acrobothriidae (Family)

Acrobotrys
     Acrobotrys K. Schumann & K. Krause, 1908 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Acrobotrys Haeckel, 1881 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Nassellaria (Order) > Cannobotryidae (Family)

Acrocarpus
     Acrocarpus Kützing, 1843 accepted as Acrocarpus Kützing, 1843 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Gelidiaceae (Family)
     Acrocarpus R. Wight ex Arnott, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Acrocarpus Schenk, 1867 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiidae (awaiting allocation) (Order) > Polypodiidae (awaiting allocation) (Family)
 Acrocarpus C.G.D. Nees in C.F.P. Martius, 1842 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)

Acrocassis
     Acrocassis Spaeth, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Acrocassis Spaeth, 1924 accepted as Acrocassis Spaeth, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Acrocephalus
     Acrocephalus Naumann, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)
 Acrocephalus Bentham, 1829 accepted as Platostoma Palisot de Beauvois, 1808 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Acrocera
     Acrocera Meigen, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Acroceridae (Family)
 Acrocera Gistl, 1848 accepted as Acrocera Gistl, 1848 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Acrochaete
 Acrochaete N.Pringsheim, 1862 accepted as Ulvella P.L. Crouan & H.M. Crouan, 1859 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Ulvales (Order) > Ulvellaceae (Family)
 Acrochaete A. Peter, 1930 accepted as Setaria Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Acrochasma
     Acrochasma O. Korshikov, 1953 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Sphaeropleales (Order) > Characiaceae (Family)
     Acrochasma Reuss, 1860 accepted as Acrochasma Reuss, 1860 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Acrochordiceras
     Acrochordiceras Waagen, 1895 † accepted as Acrochordiceras Waagen, 1895 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Acrochordiceras Hyatt in Meek, 1877 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)

Acrocladium
     Acrocladium Mitten, 1869 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Lembophyllaceae (Family)
 Acrocladium Petrak, 1949 accepted as Periconiella P.A. Saccardo in P.A. Saccardo & Berlese, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Capnodiales (Order) > Mycosphaerellaceae (Family)

Acrocoris
     Acrocoris Hahn, 1836 accepted as Acrocoris Hahn, 1836 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Acrocoris Jakolev, 1876 accepted as Acrocoris Jakolev, 1876 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Acrocosmia
     Acrocosmia Koken, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Acrocosmia Koken, 1896 † accepted as Acrocosmia Koken, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)

Acrocystis
     Acrocystis Zanardini, 1872 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
 Acrocystis Ellis & B. Halsted ex B. Halsted, 1890 accepted as Cystospora J.E. Elliot, 1916 · Chromista (Kingdom) > Cercozoa (Phylum) > Phytomyxea (Class) > Plasmodiophorales (Order) > Plasmodiophoraceae (Family)

Acrodactyla
     Acrodactyla Stafford, 1904 accepted as Acrodactyla Stafford, 1904 (unassessed) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Acrodactyla Haliday, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Acrodon
     Acrodon N.E. Brown, 1927 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
 Acrodon Zimmermann, 1832 accepted as Amara Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Acroelytrum
     Acroelytrum Mayr, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)
 Acroelytrum Steudel, 1846 accepted as Lophatherum A.T. Brongniart in Duperrey, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Acrognathus
     Acrognathus Agassiz in Mantell, 1836 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Myctophiformes (Order) > Myctophidae (Family)
 Acrognathus Erichson, 1839 accepted as Manda Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Acrogonia
     Acrogonia Stål, 1869 accepted as Acrogonia Stål, 1869 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Acrogonia Kriechbaumer, 1896 accepted as Acrogonia Kriechbaumer, 1896 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Acrographinotus
     Acrographinotus Roewer, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Acrographinotus Holmgren, 1916 accepted as Acrographinotus Roewer, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Acrolasia
     Acrolasia Enderlein, 1927 accepted as Acrolasia Enderlein, 1927 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Acrolasia K.B. Presl, 1831 accepted as Mentzelia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Loasaceae (Family)

Acrolejeunea
     Acrolejeunea (R. Spruce) V. Schiffner, 1893 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Porellales (Order) > Lejeuneaceae (Family)
 Acrolejeunea Stephani, 1890 accepted as Schiffneriolejeunea Verdoorn, 1933 (Orth. var. of rejected name) · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Porellales (Order) > Lejeuneaceae (Family)

Acrolepis
     Acrolepis Agassiz, 1833 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Acrolepididae (Family)
     Acrolepis Schrader, 1832 accepted as Acrolepis Schrader, 1832 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)

Acroleptes
     Acroleptes Bonaparte, 1854 accepted as Acroleptes Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acroleptes Cabanis, 1861 accepted as Acroleptes Cabanis, 1861 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Acroleptus
 Acroleptus Cabanis, 1861 accepted as Acroleptus Cabanis, 1861 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Acroleptus Bourgeois, 1886 accepted as Acroleptus Bourgeois, 1886 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Acrolister
     Acrolister Bickhardt, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)
 Acrolister Bickhardt, 1914 accepted as Acrolister Bickhardt, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)

Acrolobus
     Acrolobus Bostrom, 1985 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Cephalobidae (Family)
 Acrolobus Klotzsch, 1857 accepted as Heisteria N.J. Jacquin, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Olacaceae (Family)

Acrolophus
     Acrolophus Poey, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Acrolophidae (Family)
     Acrolophus Ramme, 1941 accepted as Acrolophus Ramme, 1941 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Acrolophus Cassini in F. Cuvier, 1827 accepted as Acrolophus Cassini in F. Cuvier, 1827 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Acrometopia
     Acrometopia Schiner, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chamaemyiidae (Family)
     Acrometopia Lioy, 1864 accepted as Acrometopia Lioy, 1864 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Acromia
     Acromia Townes, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Acromia accepted as Acrocomia C.F.P. Martius, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Acromis
     Acromis Dejean, 1835 accepted as Acromis Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Acromis Erichson, 1847 accepted as Acromis Erichson, 1847 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Acromis Chevrolat in Dejean, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Acronema
     Acronema Rubtsov, 1978 · Animalia (Kingdom) > Nematoda (Phylum) > Dorylaimea (Class) > Marimermithida (Order) > Marimermithidae (Family)
     Acronema Falconer ex Edgeworth, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Acronema Teal, Guillemette, Chapman & Margulis, 1998 accepted as (nom. illeg.) · Chromista (Kingdom) > Bigyra (Phylum) > Bikosea (Class) > Bicosoecida (Order) > Cafeteriidae (Family)

Acronia
     Acronia Westwood, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Acronia K.B. Presl, 1827 accepted as Pleurothallis R. Brown in W.T. Aiton, 1813 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Acronirmus
     Acronirmus Kéler, 1939 accepted as Acronirmus Kéler, 1939 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Phthiraptera (awaiting allocation) (Family)
 Acronirmus Eichler, 1953 accepted as Brueelia Keler, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Philopteridae (Family)

Acronotus
 Acronotus Smith, 1827 accepted as Alcelaphus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Acronotus Lacordaire, 1842 accepted as Brachysphaenus Lacordaire, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)

Acronurus
 Acronurus Gronow in Gray, 1854 accepted as Acanthurus Forsskål, 1775 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)
 Acronurus Günther (ex Gronow), 1861 accepted as Acanthurus Forsskål, 1775 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acanthuridae (Family)

Acropelta
     Acropelta Mella, 1869 accepted as Acropelta Mella, 1869 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Acropelta Nakai, 1953 accepted as Polystichum A.W. Roth, 1799 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Dryopteridaceae (Family)

Acropeltis
     Acropeltis L. Agassiz, 1838 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Arbacioida (Order) > Acropeltidae (Family)
     Acropeltis Agassiz, 1840 accepted as Acropeltis Agassiz, 1840 (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Acropeltis Montagne, 1837 accepted as Gelidium J.V.F. Lamouroux, 1813 (synonym) · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Gelidiaceae (Family)

Acropholis
     Acropholis Aldinger, 1935 † accepted as Acropholis Aldinger, 1935 † · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Acropholis Nielsen, 1935 † accepted as Acropholis Nielsen, 1935 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Acrophyllum
     Acrophyllum Thomson & Nicholson, 1876 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Stauriida (Order) > Acrophyllidae (Family)
     Acrophyllum Bentham in Maund, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Oxalidales (Order) > Cunoniaceae (Family)
 Acrophyllum Beier, 1963 accepted as Acyrophyllum Beier, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Acropis
     Acropis Burmeister, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Zopheridae (Family)
 Acropis Reider & Hahn, 1835 accepted as Hirundo Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Hirundinidae (Family)

Acropogon
     Acropogon Enderlein, 1933 accepted as Acropogon Enderlein, 1933 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Simuliidae (Family)
     Acropogon Schlechter, 1906 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Acropoma
     Acropoma Temminck & Schlegel in Siebold, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Acropomatidae (Family)
     Acropoma Owen, 1854 † accepted as Acropoma Owen, 1854 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Acropora
     Acropora Oken, 1815 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Acroporidae (Family)
     Acropora Krueger, 1823 † accepted as Acropora Krueger, 1823 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Tabulata (Order) > Tabulata (awaiting allocation) (Family)
 Acropora Reuss, 1869 † accepted as Porina d'Orbigny, 1852 (Junior Homonym of Acropora Oken, 1815, Junior synonym of Porina d'Orbigny, 1852) · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Porinidae (Family)

Acropteris
     Acropteris Geyer in Hübner, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)
 Acropteris Link, 1833 accepted as Asplenium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Aspleniaceae (Family)

Acropteryx
     Acropteryx Ragonot, 1891 accepted as Acropteryx Ragonot, 1891 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Acropteryx Gistl, 1831 accepted as Acropteryx Gistl, 1831 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Acrorhynchus
 Acrorhynchus Graff, 1882 accepted as Acrorhynchides Strand, 1928 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Rhabdocoela (Order) > Polycystididae (Family)
 Acrorhynchus A. Milne-Edwards, 1879 accepted as Podochela Stimpson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Majidae (Family)

Acroria
     Acroria Walker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Acroria Cossmann, 1889 † accepted as Acroreia Cossmann, 1885 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Basommatophora (Order) > Basommatophora (awaiting allocation) (Family)

Acroscyphus
     Acroscyphus Léveillé, 1846 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Caliciaceae (Family)
 Acroscyphus N. Kitagawa, 1984 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Balantiopsidaceae (Family)

Acrosmiliopsis
     Acrosmiliopsis Reig & Vilella, 1995 † accepted as Acrosmiliopsis Reig & Vilella, 1995 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)
     Acrosmiliopsis Kuzmicheva, 2002 † accepted as Acrosmiliopsis Kuzmicheva, 2002 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)

Acrospelion
     Acrospelion Besser in J.A. Schultes & J.H. Schultes, 1827 accepted as Acrospelion Besser in J.A. Schultes & J.H. Schultes, 1827 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Acrospelion E.G. von Steudel accepted as Trisetum Persoon, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Acrospira
     Acrospira Montagne, 1857 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Acrospira Guilding, 1840 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Acrospira Batten, 1985 † accepted as Acrospira Batten, 1985 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Acrospira Welwitsch ex J.G. Baker, 1878 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Acrospirifer
     Acrospirifer Wedekind in Salamon, 1926 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Delthyrididae (Family)
     Acrospirifer Helmbrecht & Wedekind, 1923 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Delthyrididae (Family)

Acrosporium
     Acrosporium Bonorden, 1851 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Acrosporium C.G.D. Nees, 1816 accepted as Oidium Link in Willdenow, 1824 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Erysiphales (Order) > Erysiphaceae (Family)

Acrostachys
 Acrostachys (Bentham & J.D. Hooker) Van Tieghem, 1894 accepted as Helixanthera Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Loranthaceae (Family)
 Acrostachys Herter, 1923 accepted as Lycopodium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lycopodiales (Order) > Lycopodiaceae (Family)

Acrostigma
     Acrostigma Emery, 1891 accepted as Acrostigma Emery, 1891 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Acrostigma Forel, 1902 accepted as Stigmacros Forel, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)
 Acrostigma O.F. Cook & Doyle, 1913 accepted as Wettinia Poeppig in Endlicher, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Acrostoma
     Acrostoma Le Sauvage, 1827 accepted as Acrostoma Le Sauvage, 1827 (unassessed) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cestoda (awaiting allocation) (Order) > Cestoda (awaiting allocation) (Family)
 Acrostoma Westerlund, 1901 accepted as Acrotoma Böttger, 1881 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
     Acrostoma D.F. Didrichsen accepted as Remijia A.P. de Candolle, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Acrostoma Brot, 1871 accepted as Paracrostoma Cossmann, 1900 † (invalid: junior homonym of Acrostoma Le Sauvage, 1827 [Platyhelminthes]; Brotella and Paracrostoma are replacement names) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pachychilidae (Family)

Acrostylus
     Acrostylus Cossmann, 1896 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Nerineidae (Family)
 Acrostylus Clench, 1935 accepted as Placostylus Beck, 1837 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Placostylidae (Family)

Acroteuthis
     Acroteuthis Stolley, 1911 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Belemnitida (Order) > Belemnitida (awaiting allocation) (Family)
 Acroteuthis Berry, 1913 accepted as Alloteuthis Wülker, 1920 (Invalid: junior homonym of Acroteuthis Stolley, 1911; Acruroteuthis and Acrololigo are replacement names) · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Loliginidae (Family)

Acrotherium
 Acrotherium Ameghino, 1887 † accepted as Nesodon Owen, 1847 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Notoungulata (Order) > Toxodontidae (Family)
     Acrotherium Pomel, 1848 † accepted as Nesodon Owen, 1847 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Notoungulata (Order) > Toxodontidae (Family)

Acrotoma
     Acrotoma Mocsáry, 1902 accepted as Acrotoma Mocsáry, 1902 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Acrotoma Böttger, 1881 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)

Acrotrema
     Acrotrema Cossmann, 1889 accepted as Acrotrema Cossmann, 1889 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Acrotrema W. Jack, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dilleniales (Order) > Dilleniaceae (Family)

Acrotylus
     Acrotylus J.Agardh, 1849 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Acrotylaceae (Family)
     Acrotylus Fieber, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Acrydium
 Acrydium Müller, 1764 accepted as Psophus Fieber, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Acrydium Geoffroy, 1762 accepted as Psophus Fieber, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Actaea
     Actaea De Haan in Siebold, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)
     Actaea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
 Actaea Druce, 1885 accepted as Ephialtias Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Actaeodes
     Actaeodes Dana, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)
 Actaeodes Benoit, 1977 accepted as Benoitodes Platnick, 1993 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Gnaphosidae (Family)

Actaeon
     Actaeon Grateloup, 1836 accepted as Actaeon Grateloup, 1836 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Actaeon Oken, 1815 accepted as Actaeon Oken, 1815 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Actaeon Ersch & Gruber, 1818 accepted as Acteon Montfort, 1810 (unjustified emendation) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Acteonidae (Family)
 Actaeon de Montfort, 1810 accepted as Acteon Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Acteonidae (Family)
 Actaeon Goldfuss, 1820 accepted as Acteon Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Acteonidae (Family)
 Actaeon Rang, 1829 accepted as Elysia Risso, 1818 (Not available from Oken, 1815) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Plakobranchidae (Family)

Actaeopsis
     Actaeopsis Carter, 1898 † · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthoidea (awaiting allocation) (Family)
 Actaeopsis Lanchester, 1900 accepted as Liomera Dana, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)

Actea
     Actea Germar in v. Münster, 1842 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coptoclavidae (Family)
 Actea Blainville, 1830 accepted as Aetea Lamouroux, 1812 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Aeteidae (Family)
 Actea Walker, 1854 accepted as Ephialtias Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Actebia
     Actebia Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Actebia Stephens, 1828 accepted as Actebia Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Actelois
     Actelois von Bülow-Trummer, 1920 † accepted as Actelois von Bülow-Trummer, 1920 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Actelois Strand, 1928 accepted as Actelois Strand, 1928 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Actenista
     Actenista Dejean, 1833 accepted as Actenista Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Actenista Turner, 1941 accepted as Barea Walker, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)

Actenonyx
     Actenonyx Förster, 1868 accepted as Actenonyx Förster, 1868 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Actenonyx White, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Acteon
     Acteon Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Acteonidae (Family)
     Acteon Fleming, 1828 accepted as Acteon Fleming, 1828 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Actia
 Actia Heine & Reichenow, 1890 accepted as Actia Heine & Reichenow, 1890 (Unjustified (?) emendation) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Actia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Actia Meigen, 1838 accepted as Actia Meigen, 1838 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Actidium
     Actidium E.M. Fries, 1815 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Mytilinidiaceae (Family)
     Actidium Matthews, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptiliidae (Family)

Actigia
 Actigia Stechow, 1921 accepted as Coryne Gaertner in Pallas, 1774 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Corynidae (Family)
 Actigia Stechow, 1921 accepted as Coryne Gaertner in Pallas, 1774 (synonym) · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Corynidae (Family)

Actina
     Actina Meigen, 1804 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
 Actina Andrássy, 1964 accepted as Brasilaimus Lordello & Zamith, 1957 · Animalia (Kingdom) > Nematoda (Phylum) > Dorylaimea (Class) > Dorylaimida (Order) > Actinolaimidae (Family)

Actinastrum
     Actinastrum Lagerheim, 1882 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Chlorellales (Order) > Chlorellaceae (Family)
     Actinastrum Haeckel, 1885 accepted as Actinastrum Haeckel, 1885 · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Actinea
 Actinea Milne-Edwards, 1860 accepted as Actinia Linnaeus, 1767 (Spelling variation) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniidae (Family)
 Actinea A.L. Jussieu, 1803 accepted as Helenium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Actinella
     Actinella F.W. Lewis, 1864 · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Pennales (Order) > Eunotiaceae (Family)
     Actinella Lowe, 1852 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicidae (Family)
 Actinella Jussieu ex Nuttall, 1818 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Actinella Persoon, 1807 accepted as Helenium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Actinhelia
     Actinhelia d'Orbigny, 1849 † accepted as Actinhelia d'Orbigny, 1849 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Actinacididae (Family)
 Actinhelia Duncan, 1880 accepted as Hydnophora Fischer von Waldheim, 1807 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Merulinidae (Family)

Actinia
     Actinia Linnaeus, 1767 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniidae (Family)
 Actinia Pallas, 1766 accepted as Pentacta Goldfuss, 1820 (suppressed by ICZN Opinion 1295 in favor of Actinia Linnaeus, 1767) · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Dendrochirotida (Order) > Cucumariidae (Family)
 Actinia Browne, 1756 accepted as Priapus Linnaeus, 1758 · Animalia (Kingdom) > Priapula (Phylum) > Priapulimorpha (Class) > Priapulimorphida (Order) > Priapulidae (Family)

Actiniscus
     Actiniscus Ehrenberg, 1841 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Actiniscaceae (Family)
 Actiniscus C.G. Ehrenberg, 1840 accepted as Actiniscus Ehrenberg, 1841 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Actiniscaceae (Family)

Actinobdella
     Actinobdella Moore, 1901 · Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Rhynchobdellida (Order) > Glossiphoniidae (Family)
     Actinobdella Gönnert, 1935 accepted as Actinobdella Gönnert, 1935 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Actinobolus
     Actinobolus Westwood, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Actinobolus Mörch, 1853 accepted as Cardites Link, 1807 (invalid: junior homonym of Actinobolus Westwood, 1842 [Coleoptera]) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Carditidae (Family)
 Actinobolus Stein, 1867 accepted as Actinobolina Strand, 1928 · Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Haptorida (Order) > Actinobolinidae (Family)

Actinobotrys
 Actinobotrys W. West & G.S. West, 1905 accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Sphaeropleales (Order) > Radiococcaceae (Family)
 Actinobotrys H. Hoffmann, 1856 accepted as Bremia Regel, 1843 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Peronosporales (Order) > Peronosporaceae (Family)

Actinocephalus
     Actinocephalus (F.A. Körnicke) Sano, 2004 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Eriocaulaceae (Family)
     Actinocephalus Stein, 1848 · Chromista (Kingdom) > Miozoa (Phylum) > (Class) > Eugregarinida (Order) > Actinocephalidae (Family)
 Actinocephalus Thorne, 1967 † accepted as Paractinocephala Andrássy, 1973 · Animalia (Kingdom) > Nematoda (Phylum) > Dorylaimea (Class) > Dorylaimida (Order) > Actinolaimidae (Family)
 Actinocephalus Kützing, 1843 accepted as Hydrocoleum Kützing ex Gomont, 1892 (pre-starting point synonym) · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Oscillatoriales (Order) > Microcoleaceae (Family)

Actinoceratites
     Actinoceratites Bronn, 1834 accepted as Actinoceratites Bronn, 1834 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Actinoceratites Schrammen, 1928 † accepted as Actinoceratites Schrammen, 1928 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Actinochloris
     Actinochloris Korshikov, 1953 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Tetrasporales (Order) > Actinochloridaceae (Family)
 Actinochloris E.G. von Steudel, 1840 accepted as Chloris O. Swartz, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Actinoconchus
     Actinoconchus M'Coy, 1844 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Athyrididae (Family)
     Actinoconchus M'Coy in Griffith, 1842 † accepted as Actinoconchus M'Coy, 1844 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Athyrididae (Family)

Actinocrinus
     Actinocrinus Sowerby in Murchison, 1839 † accepted as Actinocrinus Sowerby in Murchison, 1839 † (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Actinocrinus Agassiz, 1836 † accepted as Actinocrinites Miller, 1821 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Actinocrinitidae (Family)

Actinocyathus
     Actinocyathus d'Orbigny, 1849 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Axophyllidae (Family)
 Actinocyathus Kent, 1882 accepted as Actinocyathula Corliss, 1960 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Exogenida (Order) > Ephelotidae (Family)

Actinocyclus
     Actinocyclus Ehrenberg, 1837 · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Centrales (Order) > Hemidiscaceae (Family)
     Actinocyclus Ehrenberg, 1831 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Actinocyclidae (Family)
 Actinocyclus Schrammen, 1912 † accepted as Ubiquiradius de Laubenfels in Moore, 1955 † · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Hexactinellida (awaiting allocation) (Order) > Hexactinellida (awaiting allocation) (Family)

Actinodactylus
 Actinodactylus Haswell, 1893 accepted as Actinodactylella Haswell in Macleay, 1893 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Temnocephalidae (Family)
     Actinodactylus Duchassaing, 1850 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniaria incertae sedis (Family)

Actinodendron
 Actinodendron G.F. Orr & Kuehn, 1963 accepted as Oncocladium Wallroth, 1833 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Onygenales (Order) > Gymnoascaceae (Family)
     Actinodendron Quoy & Gaimard in de Blainville, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actinodendridae (Family)

Actinodesma
     Actinodesma Sandberger, 1856 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterineidae (Family)
     Actinodesma Miller, 1877 † accepted as Actinodesma Miller, 1877 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Actinodictyon
     Actinodictyon Pantocsek, 1889 † · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Bacillariophyceae (awaiting allocation) (Order) > Bacillariophyceae (awaiting allocation) (Family)
     Actinodictyon Parks, 1909 † · Animalia (Kingdom) > Porifera (Phylum) > Stromatoporoidea (Class) > Clathrodictyida (Order) > Ecclimadictyidae (Family)

Actinodiscus
     Actinodiscus Greville, 1863 † · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Centrales (Order) > Stictodiscaceae (Family)
     Actinodiscus Smith & Paul, 1982 † accepted as Actinodiscus Smith & Paul, 1982 † (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Cyclocystoidea (Order) > Cyclocystoididae (Family)
 Actinodiscus de Blainville, 1830 accepted as Discosoma Rüppell & Leuckart, 1828 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Corallimorpharia (Order) > Discosomidae (Family)

Actinogonium
     Actinogonium Ehrenberg, 1847 † · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Bacillariophyceae (awaiting allocation) (Order) > Bacillariophyceae (awaiting allocation) (Family)
     Actinogonium Schomburgk, 1847 accepted as Actinogonium Schomburgk, 1847 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Actinogonium Allman, 1872 accepted as Coryne Gaertner in Pallas, 1774 (invalid junior homonym of Actinogonium Schomburgk [Protozoa]) · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Corynidae (Family)

Actinoides
 Actinoides Gray, 1859 accepted as Actinoides Gray, 1859 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Halcyonidae (Family)
 Actinoides Carlgren, 1900 accepted as Actinioides Haddon & Shackleton, 1893 (Misspelled) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniidae (Family)

Actinolepis
     Actinolepis Agassiz, 1845 † accepted as Actinolepis Agassiz, 1845 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Arthrodira (Order) > Actinolepididae (Family)
     Actinolepis A.P. de Candolle, 1836 accepted as Actinolepis A.P. de Candolle, 1836 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Actinoloba
     Actinoloba de Blainville, 1830 accepted as Actinoloba de Blainville, 1830 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actinostolidae (Family)
     Actinoloba Warren · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Actinoma
     Actinoma Haeckel, 1861 accepted as Actinoma Haeckel, 1861 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Actinoma Park, 1942 accepted as Actionoma Raffray, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Actinomma
     Actinomma Haeckel, 1860 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Actinommidae (Family)
 Actinomma P.A. Saccardo, 1884 accepted as Seuratia Patouillard, 1904 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Seuratiaceae (Family)

Actinomya
     Actinomya Mayer, 1870 accepted as Actinomya Mayer, 1870 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Actinomya Ulrich, 1893 † accepted as Whiteavesia Ulrich, 1893 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Modiomorphoida (Order) > Modiomorphidae (Family)
 Actinomya Carus in Carus & Gerstaecker, 1875 † accepted as Antinomia Catullo, 1851 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Pygopidae (Family)

Actinonema
     Actinonema C.H. Persoon, 1822 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Actinonema Cobb, 1920 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Chromadorida (Order) > Chromadoridae (Family)
 Actinonema E.M. Fries, 1849 accepted as Spilocaea E.M. Fries, 1819 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Venturiaceae (Family)

Actinopelte
 Actinopelte Stizenberger, 1861 accepted as Solorinella Anzi, 1860 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Asterothyriaceae (Family)
 Actinopelte P.A. Saccardo, 1913 accepted as Tubakia B.C. Sutton, 1973 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Diaporthales incertae sedis (Family)

Actinopeltis
     Actinopeltis F. von Höhnel, 1907 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Microthyriales (Order) > Microthyriaceae (Family)
     Actinopeltis Hawle & Corda, 1847 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Phacopida (Order) > Hammatocnemidae (Family)
 Actinopeltis Poulsen, 1947 † accepted as Grinnellaspis Poulsen, 1948 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Proetida (awaiting allocation) (Family)

Actinophlebia
     Actinophlebia Handlirsch, 1906 † accepted as Actinophlebia Handlirsch, 1906 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Brongniartiellidae (Family)
 Actinophlebia K.B. Presl, 1847 accepted as Cyathea J.E. Smith, 1793 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Cyatheales (Order) > Cyatheaceae (Family)

Actinophora
     Actinophora Berthold in Latreille, 1827 accepted as Actinophora Berthold in Latreille, 1827 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Actinophora Wallich ex J.J. Bennett & R. Brown, 1852 accepted as Actinophora Wallich ex J.J. Bennett & R. Brown, 1852 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Actinophora Merrill, 1943 accepted as Acinophora Rafinesque, 1808 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricales incertae sedis (Family)

Actinophorus
     Actinophorus Creutzer, 1799 accepted as Actinophorus Creutzer, 1799 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Actinophorus Meek, 1864 accepted as Actinophorus Meek, 1864 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Actinophorus Newberry, 1888 † accepted as Tegeolepis Miller, 1892 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)

Actinophyllum
     Actinophyllum Phillips in Phillips & Salter, 1848 † accepted as Actinophyllum Phillips in Phillips & Salter, 1848 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Axophyllidae (Family)
 Actinophyllum Ruiz & Pavón, 1794 accepted as Schefflera J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)

Actinopora
     Actinopora d'Orbigny, 1853 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cyclostomatida (Order) > Actinoporidae (Family)
     Actinopora Vinassa de Regny, 1918 † accepted as Actinopora Vinassa de Regny, 1918 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Favositida (Order) > Syringolitidae (Family)

Actinopsis
     Actinopsis Koren & Danielssen in Sars, Koren & Danielssen, 1856 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniidae (Family)
 Actinopsis Lambert, 1897 † accepted as Lambertechinus Cossmann, 1899 † (junior homonym of Actinopsis Dana, 1856 (Cnidaria: Actinaria)) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Phymosomatoida (Order) > Phymosomatidae (Family)
 Actinopsis accepted as Acinopsis Monterosato, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Babyloniidae (Family)
 Actinopsis Starbäck, 1899 accepted as Trichothelium J. Müller Arg., 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Porinaceae (Family)

Actinoptera
     Actinoptera Rondani, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Actinoptera Tryon, 1884 † accepted as Actinoptera Tryon, 1884 † (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterineidae (Family)

Actinoptilon
     Actinoptilon Bode, 1953 † accepted as Actinoptilon Bode, 1953 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Planipennia (awaiting allocation) (Family)
 Actinoptilon Kükenthal, 1910 accepted as Actinoptilum Kükenthal, 1911 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Pennatulacea (Order) > Echinoptilidae (Family)

Actinoseris
     Actinoseris d'Orbigny, 1849 † accepted as Actinoseris d'Orbigny, 1849 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Actinoseris (Endlicher) Cabrera, 1970 accepted as Richterago O. Kuntze, 1891 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Actinosoma
     Actinosoma Holmberg, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Araneidae (Family)
 Actinosoma H. Sydow, 1930 accepted as Actinopeltis F. von Höhnel, 1907 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Microthyriales (Order) > Microthyriaceae (Family)

Actinosphaera
     Actinosphaera D. Noël, 1965 † · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Watznaueriales (Order) > Watznaueriaceae (Family)
 Actinosphaera Hollande & Enjumet, 1960 accepted as Haliommilla Haeckel, 1887 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Rhizosphaeridae (Family)

Actinospongia
     Actinospongia Mostler, 1986 † accepted as Actinospongia Mostler, 1986 † (unassessed) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Tetractinomorpha (awaiting allocation) (Order) > Tetractinomorpha (awaiting allocation) (Family)
     Actinospongia d'Orbigny, 1849 accepted as Actinospongia d'Orbigny, 1849 (unassessed) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Axinellida (Order) > Axinellida (awaiting allocation) (Family)

Actinospora
 Actinospora Turczaninow in F.E.L. Fischer & C.A. Meyer, 1835 accepted as Actaea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
 Actinospora Ingold, 1952 accepted as Actinosporella E. Descals, L. Marvanová & J. Webster, 1999 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)

Actinostoma
     Actinostoma Young & Young, 1874 † accepted as Actinostoma Young & Young, 1874 † (unassessed) · Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Actinostoma Reimers & Sakurai, 1931 accepted as Actinostoma Reimers & Sakurai, 1931 (unassessed) · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Entodontaceae (Family)

Actinostroma
     Actinostroma Nicholson, 1886 † · Animalia (Kingdom) > Porifera (Phylum) > Stromatoporoidea (Class) > Actinostromatida (Order) > Actinostromatidae (Family)
 Actinostroma Klotzsch in F.J.F. Meyen, 1843 accepted as Cymatoderma Junghuhn, 1840 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Meruliaceae (Family)

Actinota
     Actinota Hartmann, 1840 accepted as Actinota Hartmann, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Actinota Agassiz, 1846 accepted as Actinote Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Actinotheca
     Actinotheca I.C. Cookson & A. Eisenack, 1960 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Gonyaulacaceae (Family)
     Actinotheca Xiao & Zhou, 1985 † accepted as Actinotheca Xiao & Zhou, 1985 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Calyptoptomatida (Class) > Calyptoptomatida (awaiting allocation) (Order) > Calyptoptomatida (awaiting allocation) (Family)

Actinothecium
     Actinothecium Cesati in Rabenhorst, 1854 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Actinothecium Flotow, 1855 accepted as Verrucaria H.A. Schrader, 1794 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariaceae (Family)

Actinothrix
     Actinothrix J.E. Gray · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae incertae sedis (Family)
 Actinothrix Reinert, Harbach & Kitching, 2009 accepted as Actinotryx Duchassaing & Michelotti, 1860 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Corallimorpharia (Order) > Discosomidae (Family)

Actinotus
     Actinotus Gravenhorst, 1831 accepted as Actinotus Gravenhorst, 1831 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Actinotus Labillardière, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Actinurus
     Actinurus Ehrenberg, 1830 accepted as Actinurus Ehrenberg, 1830 · Animalia (Kingdom) > Rotifera (Phylum) > Rotifera (awaiting allocation) (Class) > Rotifera (awaiting allocation) (Order) > Rotifera (awaiting allocation) (Family)
     Actinurus Ehrenberg, 1831 accepted as Actinurus Ehrenberg, 1831 (unassessed) · Animalia (Kingdom) > Rotifera (Phylum) > Rotifera (awaiting allocation) (Class) > Rotifera (awaiting allocation) (Order) > Rotifera (awaiting allocation) (Family)

Actis
     Actis McCook, 1889 accepted as Actis McCook, 1889 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Actis Karsch, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)

Actites
     Actites N.S. Lander, 1976 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Actites Billberg, 1828 accepted as Limosa Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
 Actites Cuvier, 1817 accepted as Tringa Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
 Actites Lanchester, 1902 accepted as Actiomera Ng, Guinot & Davie, 2008 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)

Actocharis
 Actocharis Fauvel, ? 1870 accepted as Actocharis Sharp, 1870 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Actocharis Sharp, 1870 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Actonia
     Actonia C.W. Dodge, 1935 · Fungi (Kingdom) > Ascomycota (Phylum) > Saccharomycetes (Class) > Saccharomycetales (Order) > Saccharomycetales incertae sedis (Family)
 Actonia Monterosato, 1884 accepted as Alvania Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)

Actophilus
 Actophilus Oberholser, 1899 accepted as Actophilornis Oberholser, 1925 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Jacanidae (Family)
 Actophilus Agassiz, 1846 accepted as Harpalus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Acuaria
     Acuaria Quenstedt, 1856 † accepted as Acuaria Quenstedt, 1856 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)
     Acuaria Zakrzewski, 1886 accepted as Acuaria Zakrzewski, 1886 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Acuaria Bremser, 1811 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Acuariidae (Family)

Aculea
     Aculea Perry, 1810 accepted as Aculea Perry, 1810 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Aculea J.G. Douglas, 1973 † accepted as Aculea J.G. Douglas, 1973 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiidae (awaiting allocation) (Order) > Polypodiidae (awaiting allocation) (Family)

Aculomicrus
     Aculomicrus Smetana, 1990 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Aculomicrus Smetana, 1975 accepted as Aculomicrus Smetana, 1990 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)

Acupalpus
     Acupalpus Latreille in Cuvier, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Acupalpus Thomson, 1857 accepted as Bradycellus Erichson, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Acura
     Acura Adams, 1855 accepted as Acura Adams, 1855 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Acura J. Hill, 1763 accepted as Acura J. Hill, 1763 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Dipsacales (Order) > Caprifoliaceae (Family)
 Acura Agassiz, 1846 accepted as Schistura McClelland, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Nemacheilidae (Family)

Acus
     Acus Chun Liang Chen · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Achilidae (Family)
 Acus Catesby, 1771 accepted as Acus Catesby, 1771 (Published in a rejected work (ICZN)) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lepisosteiformes (Order) > Lepisosteidae (Family)
 Acus Gray, 1847 accepted as Oxymeris Dall, 1903 (Invalid: junior homonym of Acus Lacépède, 1803 [Pisces]; Oxymeris is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Terebridae (Family)
 Acus Swainson, 1839 accepted as Entelurus Duméril, 1870 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Syngnathiformes (Order) > Syngnathidae (Family)
 Acus Müller, 1766 accepted as Belone Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Beloniformes (Order) > Belonidae (Family)
 Acus Valmont de Bomare, 1791 accepted as Syngnathus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Syngnathiformes (Order) > Syngnathidae (Family)
 Acus Müller, 1774 accepted as Belone Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Beloniformes (Order) > Belonidae (Family)
 Acus Plumier in Lacepède, 1803 accepted as Sphyraena Artedi in Röse, 1793 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sphyraenidae (Family)
     Acus Tsao and Zhao, 1974 † · Animalia (Kingdom) > Problematica (Phylum) > Problematica (awaiting allocation) (Class) > Problematica (awaiting allocation) (Order) > Problematica (awaiting allocation) (Family)

Acutaspis
     Acutaspis Ferris, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Diaspididae (Family)
     Acutaspis Repina in Repina, Belyaeva & Sobolev, 1976 † accepted as Acutaspis Repina in Repina, Belyaeva & Sobolev, 1976 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Acutella
     Acutella Lyashenko, 1973 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Cyrtospiriferidae (Family)
     Acutella Orlova, 1996 † accepted as Acutella Orlova, 1996 † (unassessed) · Chromista (Kingdom) > Retaria (Phylum) > Foraminifera incertae sedis (Class) > Foraminifera (awaiting allocation) (Order) > Foraminifera (awaiting allocation) (Family)

Acutia
     Acutia Ragonot, 1891 accepted as Acutia Ragonot, 1891 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Acutia Kaye, 1919 accepted as Thyrassia Butler, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Zygaenidae (Family)

Acuticosta
     Acuticosta Simpson, 1900 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Unionidae (Family)
     Acuticosta Grimm, 1998 † accepted as Acuticosta Grimm, 1998 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Arcida (awaiting allocation) (Family)

Acutipalpa
 Acutipalpa Rosenhauer, 1856 accepted as Aulacophora Chevrolat, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Acutipalpa Hardy, 1939 accepted as Acupalpa Kröber, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Therevidae (Family)

Acutiramus
     Acutiramus Ruedemann, 1935 † · Animalia (Kingdom) > Arthropoda (Phylum) > Merostomata (Class) > Eurypterida (Order) > Pterygotidae (Family)
     Acutiramus Harris V.A. & Robertson H.M., 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Porcellidiidae (Family)

Acystis
     Acystis Schiffner, 1934 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Fucales (Order) > Sargassaceae (Family)
 Acystis Labbé, 1894 accepted as Eimeria Schneider, 1875 · Chromista (Kingdom) > Miozoa (Phylum) > (Class) > Eucoccidiida (Order) > Eimeriidae (Family)

Acythophanes
     Acythophanes Morimoto & Yoshihara, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Acythophanes Heller, 1940 accepted as Acythophanes Morimoto & Yoshihara, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Ada
     Ada Lesson, 1830-31 accepted as Ada Lesson, 1830-31 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Ada Lindley, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Ada Gray, 1825 accepted as Ada Gray, 1825 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Adactyla
 Adactyla Zeller, 1841 accepted as Adactyla Zeller, 1841 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Adactyla Barrois & Daday, 1894 accepted as Adactyla Barrois & Daday, 1894 (unassessed) · Animalia (Kingdom) > Rotifera (Phylum) > Rotifera (awaiting allocation) (Class) > Rotifera (awaiting allocation) (Order) > Rotifera (awaiting allocation) (Family)

Adactylus
     Adactylus Curtis, 1833 accepted as Adactylus Curtis, 1833 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Adactylus (Endlicher) Rolfe, 1896 accepted as Apostasia Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Adamas
     Adamas Malaise, 1945 accepted as Adamas Malaise, 1945 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tenthredinidae (Family)
 Adamas Huber, 1979 accepted as Fenerbahce Özdikmen, Polat, Yilmaz & Yazicioglu, 2006 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Nothobranchiidae (Family)

Adamboe
 Adamboe Rafinesque, 1838 accepted as Adamboe Rafinesque, 1838 (nomen illegitimum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Convolvulaceae (Family)
 Adamboe Adanson, 1763 accepted as Lagerstroemia Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)

Adamia
 Adamia Tomaszewska, 2000 accepted as Evolocera Sharp, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)
 Adamia Jacques-Félix, 1951 accepted as Feliciadamia A.A. Bullock, 1962 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Adamia Wallich, 1826 accepted as Dichroa Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Hydrangeaceae (Family)

Adamsia
     Adamsia Forbes, 1840 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Hormathiidae (Family)
     Adamsia Willdenow, 1808 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Adamsia Dunker, 1857 accepted as Agnewia Tenison-Woods, 1878 (Invalid: junior homonym of Adamsia Forbes, 1840 [Cnidaria]; Agnewia is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)

Adamsiella
     Adamsiella L.E. Phillips & W.A. Nelson in L.E. Phillips, 2002 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
     Adamsiella Pfeiffer, 1851 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)

Adansonia
     Adansonia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Adansonia Saville-Kent, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Theridiidae (Family)
 Adansonia Pallary, 1902 accepted as Chauvetia Monterosato, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Buccinidae (Family)

Adapis
     Adapis Cuvier, 1822 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Adapidae (Family)
     Adapis Cuvier, 1822 † accepted as Adapis Cuvier, 1822 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Adapidae (Family)

Adapisorex
     Adapisorex Lemoine, 1881 † accepted as Adapisorex Lemoine, 1881 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Adapisorex Lemoine, 1883 † accepted as Adapisorex Lemoine, 1883 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)

Addax
     Addax Laurillard, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
     Addax Rafinesque, 1815 accepted as Addax Laurillard, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Addisonia
     Addisonia H.H. Rusby, 1893 accepted as Addisonia H.H. Rusby, 1893 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Addisonia Dall, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Addisoniidae (Family)

Adelanthus
     Adelanthus Mitten, 1864 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Adelanthaceae (Family)
 Adelanthus Endlicher, 1840 accepted as Pyrenacantha W.J. Hooker in Wight, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Icacinales (Order) > Icacinaceae (Family)

Adelarus
     Adelarus Bonaparte, 1853 accepted as Adelarus Bonaparte, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Adelarus Bruch, 1853 accepted as Adelarus Bruch, 1853 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Adelia
 Adelia P. Browne, 1756 accepted as Forestiera Poiret in Lamarck, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Oleaceae (Family)
     Adelia Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Adelia Moulds, 2012 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadidae (Family)

Adelina
     Adelina Hesse, 1911 · Chromista (Kingdom) > Miozoa (Phylum) > (Class) > Eucoccidiida (Order) > Adeleidae (Family)
     Adelina Wollaston, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Adelina Laporte de Castelnau, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Adelina Dejean, 1835 accepted as Adelina Wollaston, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Adelina LeConte, 1851 accepted as Doliema Pascoe, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Adelina Cantraine, 1841 † accepted as Adelinella Wenz, 1922 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)

Adelinia
     Adelinia Costa, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Keroplatidae (Family)
     Adelinia J.I. Cohen, 2015 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)

Adelium
     Adelium Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Adelium Solier, 1848 accepted as Cardiothorax Motschoulsky, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Adeloides
 Adeloides Blanchard, 1845 accepted as Adelus Schönherr, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Adeloides Warren, 1892 accepted as Neadeloides Bryk in Klima, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Adelomelon
     Adelomelon Dall sensu Pilsbry & Olsson, 1954 accepted as Adelomelon Dall sensu Pilsbry & Olsson, 1954 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Volutidae (Family)
     Adelomelon Dall, 1906 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Volutidae (Family)

Adelomorpha
     Adelomorpha Snellen, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)
     Adelomorpha Tapparone-Canefri, 1886 accepted as Adelomorpha Tapparone-Canefri, 1886 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Adelomyia
     Adelomyia Bonaparte, 1854 accepted as Adelomyia Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)
     Adelomyia Ulmer, 1912 accepted as Adelomyia Ulmer, 1912 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Trichoptera (awaiting allocation) (Family)

Adelonema
     Adelonema Mawson, 1978 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Oxyuridae (Family)
 Adelonema H.W. Schott, 1860 accepted as Homalomena H.W. Schott in H.W. Schott & Endlicher, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
 Adelonema Holovachov & Sturhan, 2003 accepted as Novadelonema Özdikmen, 2010 (junior homonym) · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Monhysterida (Order) > Diplopeltidae (Family)

Adelophyton
     Adelophyton B. Renault, 1900 † accepted as Adelophyton B. Renault, 1900 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lepidodendrales (Order) > Lepidodendrales (awaiting allocation) (Family)
 Adelophyton Kraft, 1975 accepted as Adelophycus Kraft, 1994 (synonym) · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Nemastomataceae (Family)

Adelopidius
     Adelopidius Apfelbeck, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
 Adelopidius Apfelbeck, 1907 accepted as Adelopidius Apfelbeck, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Adelops
     Adelops Dejean, 1833 accepted as Adelops Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hybosoridae (Family)
 Adelops Tellkampf, 1843 accepted as Ptomaphagus Hellwig, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Silphidae (Family)

Adelopus
     Adelopus Rafinesque, 1832 † accepted as Adelopus Rafinesque, 1832 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Adelopus Theissen, 1918 accepted as Phaeocryptopus Naumov, 1915 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideales (Order) > Dothideales incertae sedis (Family)
 Adelopus accepted as Adelotopus Hope, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Adelostoma
     Adelostoma Duponchel, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Adelostoma Smith, 1885 accepted as Adelostoma Smith, 1885 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Adelothyreus
     Adelothyreus Chevrolat, 1868 accepted as Adelothyreus Chevrolat, 1868 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Adelothyreus Horn, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Eucnemidae (Family)

Adelpha
     Adelpha Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Adelpha Schulz, 1906 accepted as Adelpha Schulz, 1906 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Adelphella
 Adelphella D.H. Pfister, N. Matocec & I. Kušan, 2009 accepted as Adelphella D.H. Pfister, N. Matocec & I. Kušan, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pezizaceae (Family)
 Adelphella D.H. Pfister, N. Matocec & I. Kušan, 2008 accepted as Adelphella D.H. Pfister, N. Matocec & I. Kušan, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pezizaceae (Family)

Adelphia
     Adelphia W.R. Anderson, 2006 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)
     Adelphia Heinrich, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Adelphoceras
     Adelphoceras Barrande, 1870 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Nautilida (Order) > Nautilida (awaiting allocation) (Family)
 Adelphoceras Girty, 1909 † accepted as Girtyoceras Wedekind, 1918 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Goniatitida (Order) > Girtyoceratidae (Family)

Adelphochernes
     Adelphochernes Beier, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Pseudoscorpionida (Order) > Chernetidae (Family)
 Adelphochernes Beier, 1944 accepted as Caffrowithius Beier, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Pseudoscorpionida (Order) > Chernetidae (Family)

Adelphus
     Adelphus Germar, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Adelphus Dejean, 1834 accepted as Adelphus Germar, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Adelungia
     Adelungia Melichar, 1902 accepted as Adelungia Melichar, 1902 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Adelungia Klapálek, 1914 accepted as Claassenia Wu, 1934 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Perlidae (Family)
     Adelungia Suleymanov, 1966 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lituolida (Order) > Reophacidae (Family)

Adelura
     Adelura Bonaparte, 1854 accepted as Adelura Bonaparte, 1854 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Adelura Förster, 1862 accepted as Adelura Förster, 1862 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Adena
 Adena Walker, 1863 accepted as Deana Butler, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
 Adena Agassiz, 1846 accepted as Hadena Schrank, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Adenanthemum
     Adenanthemum Conwentz, 1886 † accepted as Adenanthemum Conwentz, 1886 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
 Adenanthemum B. Nordenstam, 1976 accepted as Adenanthellum B. Nordenstam, 1979 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Adenia
     Adenia Distant, 1905 accepted as Adenia Distant, 1905 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Adenia Forsskål, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Passifloraceae (Family)
 Adenia J. Torrey, 1843 accepted as Adenia J. Torrey, 1843 (Not validly published) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Urticaceae (Family)
     Adenia Robineau-Desvoidy, 1863 accepted as Adenia Robineau-Desvoidy, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Adenodrilus
     Adenodrilus Holt, 1977 · Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Branchiobdellida (Order) > Bdellodrilidae (Family)
     Adenodrilus Chekanovskaya, 1959 accepted as Adenodrilus Chekanovskaya, 1959 (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)

Adenopetalum
     Adenopetalum Turczaninow, 1858 accepted as Adenopetalum Turczaninow, 1858 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Vitales (Order) > Vitaceae (Family)
 Adenopetalum Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Adenophora
     Adenophora Borgmeier, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)
     Adenophora F.E.L. Fischer, 1823 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)

Adenophorus
     Adenophorus Thomson, 1859 accepted as Adenophorus Thomson, 1859 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Adenophorus Gaudichaud-Beaupré, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Adenoplea
     Adenoplea Reisinger, 1924 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Typhloplanidae (Family)
 Adenoplea Radlkofer, 1883 accepted as Buddleja Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)

Adenosma
 Adenosma C.G.D. Nees in Alph. de Candolle, 1847 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Adenosma R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Adenus
 Adenus † accepted as Adensu Popov & Rukavishnikova, 1986 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Craniata (Class) > Trimerellida (Order) > Adensuidae (Family)
 Adenus Yokoyama, 1926 accepted as Adinus H. Adams & A. Adams, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)

Adeona
     Adeona Lamouroux, 1812 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Adeonidae (Family)
     Adeona Rafinesque, 1815 accepted as Adeona Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Adeps
 Adeps Gistl, 1848 accepted as Adeps Gistl, 1848 (Unjustified (?) emendation) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Corophiidae (Family)
     Adeps Gistl, 1857 accepted as Adeps Gistl, 1857 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Aderus
     Aderus Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)
 Aderus Westwood, 1830 accepted as Aderus Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)

Adesmia
     Adesmia Fischer von Waldheim, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Adesmia A.P. de Candolle, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Adesmus
     Adesmus Dejean, 1821 accepted as Adesmus Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Adesmus Latreille, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Adetaster
     Adetaster Lambert, 1895 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Spatangoida incertae sedis (Family)
 Adetaster Delage & Hérouard, 1904 † accepted as Adytaster Lambert, 1895 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Spatangoida (awaiting allocation) (Family)

Adetus
     Adetus Leconte, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Adetus Berendt, 1845 accepted as Adetus Berendt, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Adexia
     Adexia Melichar, 1901 accepted as Adexia Melichar, 1901 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Flatidae (Family)
 Adexia Bach, 1854 accepted as Adexius Schoenherr, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Adexius
     Adexius Schoenherr, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Adexius Schönherr, 1833 accepted as Adexius Schoenherr, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Adiaphorothrips
     Adiaphorothrips Girault, 1928 accepted as Adiaphorothrips Girault, 1928 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Thysanoptera (Order) > Phlaeothripidae (Family)
     Adiaphorothrips Bagnall, 1909 accepted as Adiaphorothrips Bagnall, 1909 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Thysanoptera (Order) > Thysanoptera (awaiting allocation) (Family)

Adiaphorus
     Adiaphorus Candèze, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Adiaphorus Fåhraeus, 1872 accepted as Ossibia Pascoe, 1867 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Adimus
     Adimus Billberg, 1829 accepted as Adimus Billberg, 1829 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Adimus Schaufuss, 1869 accepted as Adinus H. Adams & A. Adams, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)

Adinopsis
     Adinopsis Cameron, 1918 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Adinopsis Odhner, 1923 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)

Adioristidius
     Adioristidius Morrone, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Adioristidius Voss, 1954 accepted as Adioristidius Morrone, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Adioristidus
     Adioristidus Voss, 1954 accepted as Adioristidus Voss, 1954 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Adioristidus Edwards & Hopwood, 1966 accepted as Adioristidius Morrone, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Adisius
     Adisius Fairmaire, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Adisius Bretfeld, 2002 accepted as Adisius Bretfeld, 2002 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Symphypleona (Order) > Bourletiellidae (Family)

Adleria
     Adleria Rohwer & Fagan, 1917 accepted as Adleria Rohwer & Fagan, 1917 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Cynipidae (Family)
 Adleria Witenberg, 1929 accepted as Adleriella Witenberg, 1930 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Heterophyidae (Family)

Admetus
     Admetus Distant, 1883 accepted as Admetus Distant, 1883 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
 Admetus Koch, 1850 accepted as Phrynus Lamarck, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Amblypygi (Order) > Tarantulidae (Family)

Adna
     Adna Leach, 1825 accepted as Adna Leach, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Adna Sowerby, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Sessilia (Order) > Pyrgomatidae (Family)

Adolfia
     Adolfia Rehn, 1914 accepted as Adolfia Rehn, 1914 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Lentulidae (Family)
 Adolfia Gürich, 1909 † accepted as · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Fimbrispiriferidae (Family)

Adolphia
     Adolphia Stolley, 1907 † accepted as Adolphia Stolley, 1907 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Adolphia C.F. Meisner, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rhamnaceae (Family)

Adolus
     Adolus Gistl, 1848 accepted as Adolus Gistl, 1848 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Adolus Eschscholtz in Fischer v. Waldheim, 1828 accepted as Pteroloma Schönherr in Gyllenhal, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Silphidae (Family)

Adonia
 Adonia Mulsant, 1846 accepted as Hippodamia Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)
 Adonia Giebel, 1856 † accepted as Olbiogaster Osten-Sacken, 1886 (junior homonym) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anisopodidae (Family)

Adonis
     Adonis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
 Adonis Gronow in Gray, 1854 accepted as Blennius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Blenniidae (Family)

Adonus
     Adonus Zaslavskij in Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Adonus Korotyaev, Ismailova, Arzanov, Davidyan & Prasolov, 1993 accepted as Adonus Zaslavskij in Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Adoreta
     Adoreta Cristofori & Jan, 1832 accepted as Adoreta Cristofori & Jan, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Adoreta Gistl, 1848 accepted as Strigoderma Burmeister, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Adorium
     Adorium Rafinesque, 1825 accepted as Adorium Rafinesque, 1825 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Adorium Fabricius, 1801 accepted as Oides Weber, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Adra
     Adra Walker, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Adra Schouteden, 1951 accepted as Adra Schouteden, 1951 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Adrana
     Adrana Walker, 1858 accepted as Adrana Walker, 1858 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Adrana H. Adams & A. Adams, 1858 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Yoldiidae (Family)

Adranes
     Adranes Förster, 1868 accepted as Adranes Förster, 1868 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Adranes Le Conte, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Adrapsa
     Adrapsa Walker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Adrapsa Pagenstecher, 1909 accepted as Adrepsa Moore in Hewitson & Moore, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Arctiidae (Family)

Adrasteia
     Adrasteia Chambers, 1872 accepted as Adrasteia Chambers, 1872 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Adrasteia Wells, 2002 accepted as Lampropholis Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Adriana
     Adriana Gaudichaud-Beaupré, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Adriana de Gregorio, 1934 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Lyttoniidae (Family)

Adrimus
     Adrimus Bates, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Adrimus Dejean, 1836 accepted as Adrimus Bates, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Adrius
 Adrius Gistl, 1848 accepted as Adrius Gistl, 1848 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Adrius Dejean, 1821 accepted as Omias Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Adrodamaeus
     Adrodamaeus Paschoal in Paschoal & Johnston, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Gymnodamaeidae (Family)
 Adrodamaeus Paschoal, 1984 accepted as Adrodamaeus Paschoal in Paschoal & Johnston, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Gymnodamaeidae (Family)

Adula
     Adula H. Adams & A. Adams, 1857 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Mytiloida (Order) > Mytilidae (Family)
     Adula Adams, 1861 accepted as Adula Adams, 1861 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Adura
     Adura Krzeminska, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Trichoceridae (Family)
 Adura Malaise, 1941 accepted as Audura Bergh, 1878 (misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Discodorididae (Family)

Advena
     Advena Gude, 1913 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicarionidae (Family)
     Advena Palmer, 1937 † accepted as Advena Palmer, 1937 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Advena Kabata, 1979 accepted as Kabatazus Özdikmen, 2008 (junior homonym) · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Lernaeopodidae (Family)

Advenella
     Advenella Coenye et al., 2005 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Betaproteobacteria (Class) > Burkholderiales (Order) > Alcaligenaceae (Family)
     Advenella Wilde, 2006 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Fusulinidae (Family)

Aechmophora
     Aechmophora Stål, 1869 accepted as Aechmophora Stål, 1869 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Aechmophora C.P.J. Sprengel ex E.G. von Steudel, 1840 accepted as Bromus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Aedia
     Aedia Hübner, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Aedia Duponchel, 1836 accepted as Aedia Duponchel, 1836 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)

Aedilis
 Aedilis LeConte, 1852 accepted as Acanthocinus Guérin-Ménéville, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aedilis Gistl, 1848 accepted as Adela Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Adelidae (Family)
 Aedilis Audinet-Serville, 1835 accepted as Acanthocinus Guérin-Ménéville, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aediotorix
 Aediotorix Gebien, 1911 accepted as Aediotorix Gebien, 1911 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Aediotorix Bates, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Aedon
     Aedon Boie, 1826 accepted as Aedon Boie, 1826 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aedon Forster, 1817 accepted as Aedonis Morris, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Aedonopsis
 Aedonopsis Rey, 1872 accepted as Aedonops Brehm in Baedeker, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aedonopsis Sharpe, 1883 accepted as Tychaedon Richmond, 1917 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Aega
     Aega Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Aegidae (Family)
     Aega Hartman, 1881 accepted as Aega Hartman, 1881 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Aega Hope, 1838 accepted as Ega Laporte, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Aegaea
     Aegaea Oppenheim, 1890 † accepted as Aegaea Oppenheim, 1890 † · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Aegaea Oppenheim, 1891 † accepted as Aegaea Oppenheim, 1891 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aegaeonichthys
 Aegaeonichthys Günther, 1887 accepted as Himantolophus Reinhardt, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lophiiformes (Order) > Himantolophidae (Family)
 Aegaeonichthys Clarke, 1878 accepted as Himantolophus Reinhardt, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lophiiformes (Order) > Himantolophidae (Family)

Aegagropila
     Aegagropila Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Mycalidae (Family)
     Aegagropila Kützing, 1843 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Cladophorales (Order) > Cladophoraceae (Family)
 Aegagropila Topsent, 1888 accepted as Mycale Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Mycalidae (Family)

Aegeon
 Aegeon Risso in Kinahan, 1862 accepted as Aegaeon Agassiz, 1846 [in Agassiz, 1842-1846] (Spelling variation) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Crangonidae (Family)
 Aegeon Gosse, 1865 accepted as · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Halcampoididae (Family)

Aegeria
     Aegeria Fabricius, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sesiidae (Family)
 Aegeria Macquart, 1835 accepted as Egeria Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anthomyiidae (Family)
 Aegeria Latreille, 1817 accepted as Phalangipus Latreille, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Majidae (Family)

Aegialatis
     Aegialatis Kono, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Aegialatis Gistl, 1848 accepted as Aegialites Mannerheim, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Salpingidae (Family)

Aegialina
 Aegialina J.A. Schultes, 1824 accepted as Rostraria Trinius, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Aegialina Friend, 1916 accepted as Aegialina Friend, 1916 (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)

Aegialites
     Aegialites Mannerheim, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Salpingidae (Family)
     Aegialites Dejean, 1833 accepted as Aegialites Mannerheim, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Salpingidae (Family)
 Aegialites Kaup, 1829 accepted as Aegialitis Boie, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriidae (Family)

Aegialitis
     Aegialitis R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Plumbaginaceae (Family)
     Aegialitis Boie, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriidae (Family)
 Aegialitis Trinius, 1820 accepted as Rostraria Trinius, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Aegidium
     Aegidium Blanchard, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hybosoridae (Family)
     Aegidium Westwood, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Aegidium Dejean, 1833 accepted as Aegidium Blanchard, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hybosoridae (Family)

Aegilips
     Aegilips Walker, 1835 accepted as Aegilips Walker, 1835 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Aegilips Agassiz, 1845 accepted as Aegilips Agassiz, 1845 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Aegilops
     Aegilops Hall, 1850 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Arcida (awaiting allocation) (Family)
     Aegilops Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Aegina
     Aegina Eschscholtz, 1829 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Narcomedusae (Order) > Aeginidae (Family)
 Aegina Krøyer, 1843 accepted as Aeginina Norman, 1905 (Homonym of Aegina Eschscholtz, 1829 (Coelenterata)) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Caprellidae (Family)

Aeginella
     Aeginella Haeckel, 1879 accepted as Aeginella Haeckel, 1879 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Aeginella Boeck, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Caprellidae (Family)

Aeginetia
     Aeginetia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Orobanchaceae (Family)
 Aeginetia Cavanilles, 1801 accepted as Bouvardia R.A. Salisbury, 1807 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Aegiochus
     Aegiochus Bovallius, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Aegidae (Family)
     Aegiochus Herrich-Schäffer, 1856 accepted as Aegiochus Herrich-Schäffer, 1856 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Aegipan
     Aegipan Scudder, 1877 accepted as Aegipan Scudder, 1877 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Aegipan Rafinesque, 1815 accepted as Aegipan Rafinesque, 1815 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)

Aegira
 Aegira Fries, 1825 accepted as Eudesme J.Agardh, 1882 (synonym) · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Chordariales (Order) > Chordariaceae (Family)
     Aegira Willems, Artois, Vermin, Backeljau & Schockaert, 2005 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Rhabdocoela (Order) > Rhabdocoela incertae sedis (Family)

Aegithalus
     Aegithalus Vigors, 1825 accepted as Aegithalus Vigors, 1825 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Aegithalus Boie, 1822 accepted as Aegithalus Boie, 1822 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Aegithalus Billberg, 1828 accepted as Aegithalus Billberg, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aegithalus Poche, 1904 accepted as Aegithalos Hermann, 1804 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Aegithalidae (Family)

Aegle
     Aegle Correa, 1800 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
     Aegle Gistl, 1847 accepted as Aegle Gistl, 1847 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Aegle Hübner, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Aegle Oken, 1815 accepted as Aegle Oken, 1815 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Aegle Dulac, 1867 accepted as Najas Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Hydrocharitaceae (Family)
 Aegle Agassiz, 1846 accepted as Egle Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anthomyiidae (Family)
     Aegle De Haan in Siebold, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)

Aegocephalus
     Aegocephalus Gray, 1840 accepted as Aegocephalus Gray, 1840 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aegocephalus Vierthaler, 1852 accepted as Acrocephalus Naumann, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)

Aegocera
     Aegocera Latreille, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Aegocera Berthold in Latreille, 1827 † accepted as Hippotragus Sundevall, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Aegoceras
 Aegoceras Waagen in Benecke, 1869 † accepted as Angulaticeras Quenstedt, 1883 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Tarphycerida (Order) > Estonioceratidae (Family)
 Aegoceras Remelé, 1880 † accepted as Tragoceras Remelé, 1883 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Tarphycerida (Order) > Tarphycerida (awaiting allocation) (Family)

Aegoceros
 Aegoceros Pallas, 1811 accepted as Capra Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Aegoceros Wagner in Schreber, 1844 † accepted as Hippotragus Sundevall, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Aegolius
     Aegolius Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)
     Aegolius Keyserling & Blasius, 1840 accepted as Aegolius Keyserling & Blasius, 1840 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Aegomorphus
     Aegomorphus Haldeman, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Aegomorphus Houlbert, 1914 accepted as Aegomorphus Houlbert, 1914 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)
 Aegomorphus White, 1855 accepted as Aegoschema Aurivillius, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aegomorphus Thomson, 1860 accepted as Aegoschema Aurivillius, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Aegomorphus Dejean, 1835 accepted as Aegomorphus Haldeman, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aegorhinus
     Aegorhinus Dejean, 1837 accepted as Aegorhinus Dejean, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Aegorhinus Erichson, 1834 accepted as Psuchocephalus Latreille, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Aegoschema
     Aegoschema Aurivillius, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aegoschema Knull, 1946 accepted as Aegomorphus Haldeman, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aegostheta
     Aegostheta Dejean, 1833 accepted as Aegostheta Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Aegostheta Blanchard, 1845 accepted as Aegostheta Blanchard, 1845 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Aegus
     Aegus Macleay, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)
 Aegus Lacordaire, 1856 accepted as Lissotes Westwood, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)

Aegypius
     Aegypius Savigny, 1809 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Accipitridae (Family)
 Aegypius Gistl, 1848 accepted as Crossotus Audinet-Serville, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aegyria
     Aegyria Claparède & Lachmann, 1858 accepted as Aegyria Claparède & Lachmann, 1858 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Aegyria Ehrenberg, 1838 accepted as Dysteria Huxley, 1857 (synonym) · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Cyrtophorida (Order) > Dysteriidae (Family)

Aegyriana
     Aegyriana Song & Wilbert, 2002 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Cyrtophorida (Order) > Hartmannulidae (Family)
     Aegyriana Deroux, 1975 accepted as Aegyriana Song & Wilbert, 2002 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Cyrtophorida (Order) > Hartmannulidae (Family)

Aelia
     Aelia Fabricius, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
     Aelia Costa, 1855-73 † accepted as Aelia Costa, 1855-73 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Aelia Agassiz, 1846 accepted as Ailia Gray, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Schilbeidae (Family)

Aellenia
     Aellenia Masner, 1958 accepted as Aellenia Masner, 1958 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Aellenia Ulbrich in Engler & Prantl, 1934 accepted as Halothamnus Jaubert & Spach, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Aello
     Aello Gloger, 1827 accepted as Aello Gloger, 1827 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aello Leach, 1821 accepted as Mormoops Leach, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Mormoopidae (Family)
 Aello Gozis, 1882 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Aëllo
 Aëllo Gloger, 1827 accepted as Aello Gloger, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aëllo Leach, 1821 accepted as Mormoops Leach, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Mormoopidae (Family)
 Aëllo Gozis, 1882 accepted as Aello Gozis, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Aellopos
     Aellopos Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Aellopos Münster, 1836 † accepted as Spathobatis Thiollière, 1849 † (junior homonym) · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rajiformes incertae sedis (Family)

Aellopus
     Aellopus Wolff, 1811 accepted as Aellopus Wolff, 1811 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
 Aellopus Koch, 1842 accepted as Hexisopus Karsch, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Hexisopodidae (Family)

Aelurodon
     Aelurodon Merriam, 1910 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Canidae (Family)
     Aelurodon Leidy, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Canidae (Family)

Aeluroedus
 Aeluroedus Cabanis in Cabanis & Heine, 1851 accepted as Ailuroedus Cabanis in Cabanis & Heine, 1851 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Ptilonorhynchidae (Family)
 Aeluroedus Sharpe, 1881 accepted as Ailuroedus Cabanis in Cabanis & Heine, 1851 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Ptilonorhynchidae (Family)

Aeluropsis
     Aeluropsis Emeljanov, 1971 † accepted as Aeluropsis Emeljanov, 1971 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Issidae (Family)
     Aeluropsis Lydekker, 1884 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Odobenidae (Family)

Aeluropus
     Aeluropus Trinius, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Aeluropus Lydekker, 1891 accepted as Ailuropoda Milne-Edwards, 1870 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Ursidae (Family)
 Aeluropus Milne-Edwards, 1871 accepted as Ailuropoda Milne-Edwards, 1870 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Ursidae (Family)

Aelurosauroides
     Aelurosauroides Boonstra, 1934 † accepted as Aelurosauroides Boonstra, 1934 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Aelurosauroides Broom, 1940 † accepted as Aelurosauroides Broom, 1940 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Aelurosaurus
     Aelurosaurus Owen, 1881 † accepted as Aelurosaurus Owen, 1881 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Aelurosaurus Boulenger, 1885 accepted as Aeluroscalabotes Boulenger, 1885 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)

Aelurus
     Aelurus Klug, 1840 accepted as Aelurus Klug, 1840 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tiphiidae (Family)
 Aelurus Agassiz, 1846 accepted as Ailurus Cuvier in Geoffroy & Cuvier, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Ailuridae (Family)
 Aelurus Cuvier in Geoffroy & Cuvier, 1825 accepted as Ailurus Cuvier in Geoffroy & Cuvier, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Ailuridae (Family)
 Aelurus Flower, 1870 accepted as Ailurus Cuvier in Geoffroy & Cuvier, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Ailuridae (Family)

Aemasia
     Aemasia Brunner, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Aemasia Jordan & Snyder, 1901 accepted as Enchelycore Kaup, 1856 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenidae (Family)

Aemona
 Aemona Hewitson, 1868 accepted as Oemona Newman, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aemona Broun, 1880 accepted as Oemona Newman, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aenanthe
 Aenanthe Vieillot, 1816 accepted as Oenanthe Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)
     Aenanthe Pallas, 1771 accepted as Oenanthe Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)

Aenictonia
     Aenictonia Wasmann, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Aenictonia Wasmann, 1900 accepted as Aenictonia Wasmann, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Aenigma
     Aenigma Newman, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Aenigma Omelko, 1988 accepted as Aenigma Omelko, 1988 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)
     Aenigma Strecker, 1876 accepted as Aenigma Strecker, 1876 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Aenigma Amsel, 1956 accepted as Aenigma Amsel, 1956 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Aenigma Koch in Martini & Chemnitz, 1846 accepted as Enigmonia Iredale, 1918 (invalid: junior homonym of Aenigma Neuman, 1836 [Coleoptera]; Enigmonia is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Ostreida (Order) > Anomiidae (Family)
 Aenigma Karsch, 1878 accepted as Argoctenus Koch, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Zoridae (Family)
     Aenigma Wesolowska & Haddad, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)

Aenigmatophyllum
     Aenigmatophyllum W. Hartung & W. Gothan, 1939 † accepted as Aenigmatophyllum W. Hartung & W. Gothan, 1939 † (unassessed) · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
 Aenigmatophyllum Lang, Smith & Thomas, 1940 † accepted as Enygmophyllum Fomitchev, 1931 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Stauriida (Order) > Uraliniidae (Family)

Aenone
     Aenone Risso, 1826 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Order) > Oenonidae (Family)
     Aenone Haliday in Curtis, 1829-30 accepted as Aenone Haliday in Curtis, 1829-30 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Aenone Haliday, 1838 accepted as Aenone Haliday, 1838 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Aenone Lamarck, 1818 † accepted as Aenone Lamarck, 1818 † (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Order) > Oenonidae (Family)

Aenopogon
 Aenopogon Agassiz, 1846 accepted as Aenopogon Agassiz, 1846 (Unjustified (?) emendation) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Aenopogon Fitzinger, 1863 accepted as Aenopogon Fitzinger, 1863 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Aeolis
 Aeolis Oken, 1815 accepted as Aeolidia Cuvier, 1798 (No longer listed in WoRMS) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Aeolidiidae (Family)
 Aeolis Menke, 1844 accepted as Aeolidia Cuvier, 1798 (Invalid: Placed on the Official Index by ICZN Opinion 779) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Aeolidiidae (Family)

Aeolus
     Aeolus Bergman, 1988 † accepted as Aeolus Bergman, 1988 † (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)
     Aeolus Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Aeonia
     Aeonia Burmeister, 1843 † accepted as Aeonia Burmeister, 1843 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Aeonia J. Lindley, 1824 accepted as Oeonia J. Lindley, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Aepus
     Aepus Leach in Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Aepus LeConte, 1848 accepted as Acupalpus Latreille in Cuvier, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Aequidens
     Aequidens Eigenmann & Bray, 1894 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)
 Aequidens Steindachner, 1915 accepted as Astyanax Baird & Girard, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Characidae (Family)

Aerenaea
     Aerenaea Dejean, 1835 accepted as Aerenea Thomson, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aerenaea Thomson, 1857 accepted as Aerenea Thomson, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aerenica
     Aerenica Dejean, 1835 accepted as Aerenica Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aerenica Thomson, 1857 accepted as Recchia Lane, 1966 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aeria
     Aeria Hübner, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Aeria Gistl, 1848 accepted as Aeria Gistl, 1848 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)
 Aeria O.F. Cook, 1901 accepted as Gaussia H. Wendland, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Aerope
     Aerope Jeffreys, 1876 accepted as Aerope Jeffreys, 1876 (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Aeropsidae (Family)
     Aerope White, 1847 accepted as Aerope White, 1847 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Decapoda (awaiting allocation) (Family)
     Aerope Desmarest, 1823 accepted as Aerope Desmarest, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Amphipoda (awaiting allocation) (Family)
 Aerope (Endlicher) H.G.L. Reichenbach, 1841 accepted as Aerope (Endlicher) H.G.L. Reichenbach, 1841 (Misspelling) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Rhizophoraceae (Family)
 Aerope Martens, 1860 accepted as Natalina Pilsbry in Tryon & Pilsbry, 1893 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Rhytididae (Family)
 Aerope Thomson, 1877 accepted as Aeropsis Mortensen, 1907 (preoccupied (non Leach, 1813)) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Aeropsidae (Family)

Aërope
     Aërope · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pleocyemata incertae sedis (Family)
 Aërope Jeffreys, 1876 accepted as Aerope Jeffreys, 1876 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Aeropsidae (Family)
 Aërope (Endlicher) H.G.L. Reichenbach, 1841 accepted as Aerope (Endlicher) H.G.L. Reichenbach, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Rhizophoraceae (Family)

Aeroppia
     Aeroppia Hammer, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oppiidae (Family)
     Aeroppia Balogh, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oppiidae (Family)

Aeropsis
     Aeropsis Mortensen, 1907 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Aeropsidae (Family)
 Aeropsis P. Ascherson & P. Graebner, 1899 accepted as Airopsis Desvaux, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Aesalon
     Aesalon Kaup, 1829 accepted as Aesalon Kaup, 1829 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Aesalon Morris in Wood, 1837 accepted as Aesalon Morris in Wood, 1837 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Aeschnopsis
     Aeschnopsis Handlirsch, 1939 † accepted as Aeschnopsis Handlirsch, 1939 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
     Aeschnopsis Cowley, 1942 † accepted as Aeschnopsis Cowley, 1942 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)

Aeschrus
     Aeschrus Spinola, 1850 accepted as Aeschrus Spinola, 1850 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Aeschrus Dallas, 1851 accepted as Aeschrus Dallas, 1851 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Aeschyntelus
     Aeschyntelus Stål, 1872 accepted as Aeschyntelus Stål, 1872 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Aeschyntelus Waterhouse, 1876 accepted as Ascetoderes Pope, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bothrideridae (Family)

Aessus
     Aessus Dejean (?), 1821 accepted as Aessus Dejean (?), 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Aessus Stephens, 1829 accepted as Aepus Leach in Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Aesthetydeus
     Aesthetydeus André, 1980 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tydeidae (Family)
     Aesthetydeus André, 1979 accepted as Aesthetydeus André, 1980 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tydeidae (Family)

Aethalion
 Aethalion Münster, 1842 † accepted as Anaethalion White, 1938 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Elopiformes (Order) > Anaethaliontidae (Family)
 Aethalion Lepeletier & Serville, 1828 accepted as Aetalion Latreille in Humboldt, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aetalionidae (Family)
 Aethalion Herrmannsen, 1846 accepted as Ethalion Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aethalium
 Aethalium Oken, 1817 accepted as Aetalion Latreille in Humboldt, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aetalionidae (Family)
 Aethalium Link, 1809 accepted as Fuligo A. Haller, 1768 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxogastrea (Class) > Physarales (Order) > Physaraceae (Family)

Aethalodes
     Aethalodes Kriechbaumer, 1890 accepted as Aethalodes Kriechbaumer, 1890 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Aethalodes Gahan, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aethalodes Thomas, 1923 accepted as Aethalops Thomas, 1923 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Pteropodidae (Family)
 Aethalodes Hulst, 1896 accepted as Aethaloida McDunnough, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Aethaloptera
     Aethaloptera Brauer, 1875 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Hydropsychidae (Family)
 Aethaloptera Hulst, 1896 accepted as Aethalura McDunnough, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Aethecerus
     Aethecerus Wesmael, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Aethecerus Chevrolat, 1862 accepted as Aethecerinus Fall & Cockerell, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Aetheolepis
     Aetheolepis Warren, 1896 accepted as Aetheolepis Warren, 1896 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Aetheolepis Woodward, 1895 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pholidophoriformes (Order) > Archaeomaenidae (Family)

Aethephyllum
     Aethephyllum N.E. Brown, 1928 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
     Aethephyllum Xu & Chen in Xu, Wang, Chen & Shi, 1987 † accepted as Aethephyllum Xu & Chen in Xu, Wang, Chen & Shi, 1987 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)

Aetheria
 Aetheria Agassiz, 1846 accepted as Aetheria Agassiz, 1846 (Unjustified (?) emendation) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Aetheria S.F.L. Endlicher, 1837 accepted as Stenorrhynchos L.C. Richard ex K.P.J. Sprengel, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Aetheria Oken, 1818 accepted as Etheria Lamarck, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Etheriidae (Family)

Aethes
     Aethes Billberg, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
 Aethes Chevrolat, 1883 accepted as Billbergia Blackwelder, 1947 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dryophthoridae (Family)

Aethia
     Aethia Merrem, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Alcidae (Family)
     Aethia Hübner, 1825 accepted as Aethia Hübner, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Aethia Qian & Zhou, 1984 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Aethiopocassis
     Aethiopocassis Spaeth, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Aethiopocassis Spaeth, 1924 accepted as Aethiopocassis Spaeth, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Aethiopodillo
     Aethiopodillo Taiti, Paoli & Ferrara, 1998 accepted as Aethiopodillo Taiti, Paoli & Ferrara, 1998 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Isopoda (awaiting allocation) (Family)
 Aethiopodillo Verhoeff, 1942 accepted as Aethiopodillo Taiti, Paoli & Ferrara, 1998 (unavailable) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Armadillidae (Family)

Aethiops
 Aethiops Strickland, 1841 accepted as Nigrita Fraser, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeridae (Family)
 Aethiops Martin, 1841 accepted as Cercocebus Geoffroy, 1812 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Cercopithecidae (Family)

Aethiopsar
     Aethiopsar Oates, 1889 accepted as Aethiopsar Oates, 1889 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Aethiopsar Sharpe, 1890 accepted as Aethiopsar Sharpe, 1890 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Aethon
     Aethon Krøyer, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Lernanthropidae (Family)
 Aethon Agassiz, 1846 accepted as Ethonion Kubán in Kubán, Majer & Kolibác, 2000 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Aethotaxis
     Aethotaxis Baesemann, 1973 † · Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodontophorida (Order) > Conodonta (awaiting allocation) (Family)
     Aethotaxis DeWitt, 1962 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Nototheniidae (Family)

Aethra
     Aethra Latreille in Cuvier, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Aethridae (Family)
 Aethra Agassiz, 1846 accepted as Ethra Laporte, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Aethria
     Aethria Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Arctiidae (Family)
     Aethria Hübner, 1821 accepted as Aethria Hübner, 1821 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Aethria Tosquinet, 1903 accepted as Aethria Tosquinet, 1903 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Aethriostoma
 Aethriostoma Mroczkowski, 1968 accepted as Attagenus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)
 Aethriostoma Motschoulsky, 1858 accepted as Attagenus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)

Aethurus
 Aethurus Simon, 1897 accepted as Aethurus Simon, 1897 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aethurus de Winton, 1898 accepted as Zenkerella Matschie, 1898 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Anomaluridae (Family)

Aethusa
     Aethusa Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Aethusa Guérin in Brullé, 1832 accepted as Ethusa Roux, 1830 (incorrect spelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Ethusidae (Family)

Aethyia
 Aethyia Agassiz, 1846 accepted as Aethyia Agassiz, 1846 (Unjustified (?) emendation) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aethyia Gloger, 1827 accepted as Aythya Boie, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Anseriformes (Order) > Anatidae (Family)

Aetia
     Aetia Agassiz, 1846 accepted as Aetia Agassiz, 1846 (unassessed) · Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Aetia Chambers, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Agonoxenidae (Family)
 Aetia Adanson, 1763 accepted as Combretum Loefling, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Combretaceae (Family)

Aëtia
 Aëtia Adanson, 1763 accepted as Combretum Loefling, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Combretaceae (Family)
 Aëtia Agassiz, 1846 accepted as Aetia Agassiz, 1846 · Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)

Aetideus
     Aetideus Brady, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Aetideidae (Family)
 Aetideus Giesbrecht in Giesbrecht & Schmeil, 1898 accepted as Aetideus Giesbrecht in Giesbrecht & Schmeil, 1898 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Aetideidae (Family)

Aetius
     Aetius Cambridge, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Corinnidae (Family)
 Aetius Distant, 1901 accepted as Atelias Kirkaldy, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Aetobatis
 Aetobatis de Blainville, 1828 accepted as Aetobatus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Myliobatidae (Family)
 Aetobatis Müller & Henle, 1837 accepted as Aetobatus Blainville, 1816 (misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Myliobatidae (Family)

Aetosaurus
     Aetosaurus Fraas, 1877 accepted as Aetosaurus Fraas, 1877 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Aetosaurus Lydekker, 1888 † accepted as Acteosaurus Meyer, 1860 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Dolichosauridae (Family)

Aetus
     Aetus Morris, 1837 accepted as Aetus Morris, 1837 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aetus Riemann, 1838 accepted as Aetos Nitzsch, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Afghancephalites
     Afghancephalites Wolfart, 1970 † accepted as Afghancephalites Wolfart, 1970 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Afghancephalites Weippert & Wolfart, 1968 † accepted as Afghancephalites Weippert & Wolfart, 1968 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Africacarus
     Africacarus Viets, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Hygrobatidae (Family)
 Africacarus Wallwork, 1965 accepted as Farchacarus Wallwork, 1967 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Ceratozetidae (Family)

Africana
     Africana Travassos, 1920 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Heterakidae (Family)
     Africana Ocana & Brito, 2015 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Caryophylliidae (Family)

Africanthropus
 Africanthropus Weinert, 1938 † accepted as Homo Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Hominidae (Family)
 Africanthropus Dreyer, 1935 † accepted as Homo Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Hominidae (Family)

Africasia
     Africasia Viets, 1931 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Athienemanniidae (Family)
 Africasia Rohdendorf, 1934 accepted as Africasiomyia Rohdendorf, 1975 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)

Afrindella
     Afrindella Annandale, 1912 accepted as Afrindella Annandale, 1912 (unassessed) · Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)
     Afrindella Wiebach, 1964 · Animalia (Kingdom) > Bryozoa (Phylum) > Phylactolaemata (Class) > Plumatellida (Order) > Pectinatellidae (Family)

Afrocrania
     Afrocrania Hincks, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Afrocrania (Harms) J. Hutchinson, 1942 accepted as Cornus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Cornaceae (Family)

Afrogyrus
 Afrogyrus Brown & Mandahl-Barth, 1973 accepted as Africanogyrus Özdikmen & Darılmaz, 2007 (invalid: junior homonym of Afrogyrus Brinck, 1955 [Coleoptera]; Africanogyrus is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Planorbidae (Family)
 Afrogyrus Brinck, 1956 accepted as Aulonogyrus Motschulsky, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Gyrinidae (Family)

Afrolimnadia
     Afrolimnadia Tasch, 1987 † accepted as Afrolimnadia Tasch, 1987 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Branchiopoda (awaiting allocation) (Order) > Branchiopoda (awaiting allocation) (Family)
     Afrolimnadia Rogers, Rabet & Weeks, 2012 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Limnadiidae (Family)

Afrololigo
     Afrololigo Brakoniecki, 1986 · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Loliginidae (Family)
 Afrololigo Alexeyev, 1992 accepted as Lolliguncula Steenstrup, 1881 · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Loliginidae (Family)

Afrophthalma
     Afrophthalma Medvedev, 1978 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Afrophthalma Medvedev, 1980 accepted as Afrophthalma Medvedev, 1978 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Afroptilum
     Afroptilum Darge, 2003 accepted as Afroptilum Darge, 2003 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
     Afroptilum Gillies, 1990 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Baetidae (Family)

Afrorhytida
     Afrorhytida Möllendorff, 1903 accepted as Afrorhytida Möllendorff, 1903 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Afrorhytida Möllendorff, 1903 accepted as Afrorhytida Möllendorff, 1903 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Afrosoma
     Afrosoma Wilcox, 1973 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Afrosoma Mazur, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)

Afrotis
 Afrotis Gray, 1855 accepted as Eupodotis Lesson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Otididae (Family)
     Afrotis Bonaparte, 1854 accepted as Eupodotis Lesson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Otididae (Family)

Afrozomus
     Afrozomus Reddell & Cokendolpher, 1995 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Schizomida (Order) > Hubbardiidae (Family)
     Afrozomus Reddell & Cokendolpher, 1995 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Schizomida (Order) > Hubbardiidae (Family)

Afzelia
     Afzelia Robineau-Desvoidy, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Afzelia J.E. Smith, 1798 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Afzelia J.F. Gmelin, 1792 accepted as Afzelia J.F. Gmelin, 1792 (nomen rejiciendum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)

Agacinosia
     Agacinosia Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)
     Agacinosia Báguena Corella, 1948 accepted as Agacinosia Collado & Alonso-Zarazaga, 1996 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Aderidae (Family)

Agaeocera
     Agaeocera Saunders, 1871 accepted as Agaeocera Saunders, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Agaeocera Waterhouse, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Agalma
     Agalma Eschscholtz, 1825 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Agalmatidae (Family)
     Agalma Martens in Albers, 1860 accepted as Agalma Martens in Albers, 1860 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Agalma Miquel, 1856 accepted as Schefflera J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)

Agama
     Agama Gervais, 1842 accepted as Agama Gervais, 1842 · Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)
     Agama Daudin, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
     Agama Blake, 1871 accepted as Agama Blake, 1871 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Mutillidae (Family)

Agamus
 Agamus Giebel, 1872 accepted as Agamus Giebel, 1872 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Trogoniformes (Order) > Trogonidae (Family)
     Agamus A.G. Vologdin, 1970 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Agamaceae (Family)
     Agamus Oken, 1815 accepted as Agamus Oken, 1815 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aganis
     Aganis von Buch, 1834 accepted as Aganis von Buch, 1834 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Aganis Link, 1830 accepted as Aganis Link, 1830 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aganopeste
     Aganopeste J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Aganopeste J.M.H. Shaw, 2004 accepted as Aganopeste J.M.H. Shaw, 2005 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Agaocephala
     Agaocephala LePeletier & Serville, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Agaocephala Mannerheim, 1829 accepted as Agaocephala LePeletier & Serville, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Agapeta
     Agapeta Heine, 1863 accepted as Agapeta Heine, 1863 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)
     Agapeta Hübner, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)

Agapete
     Agapete Newman, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Agapete Hübner, 1825 accepted as Agapeta Hübner, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)

Agapetes
 Agapetes Billberg, 1820 accepted as Agapetes Billberg, 1820 (Suppressed name (ICZN)) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Agapetes D. Don ex G. Don, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)

Agapetus
     Agapetus Curtis, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Glossosomatidae (Family)
     Agapetus Dejean, 1834 accepted as Agapetus Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Agapophyta
     Agapophyta Guérin, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tessaratomidae (Family)
     Agapophyta Laporte, 1832 accepted as Agapophyta Laporte, 1832 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Agapostemon
     Agapostemon Guérin-Ménéville, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Halictidae (Family)
     Agapostemon Smith, 1853 accepted as Agapostemon Smith, 1853 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Agardhia
     Agardhia Gude, 1911 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Pupillidae (Family)
 Agardhia K.P.J. Sprengel, 1824 accepted as Qualea Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Vochysiaceae (Family)
 Agardhia A. Cabrera, 1823 accepted as Codium Stackhouse, 1797 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Codiaceae (Family)
 Agardhia Meneghini, 1838 accepted as Phymatolithon Foslie, 1898 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Corallinales (Order) > Hapalidiaceae (Family)
 Agardhia S.F. Gray, 1821 accepted as Mougeotia C.A. Agardh, 1824 · Plantae (Kingdom) > Charophyta (Phylum) > Conjugatophyceae (Class) > Zygnematales (Order) > Zygnemataceae (Family)

Agardhiella
     Agardhiella F.Schmitz, 1897 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Solieriaceae (Family)
     Agardhiella Hesse, 1923 accepted as Agardhiella Hesse, 1923 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Argnidae (Family)

Agaria
     Agaria Gray, 1840 accepted as Agaria Gray, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Carditidae (Family)
 Agaria Gray, 1847 accepted as Cardiocardita Anton, 1838 (synonym) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Carditidae (Family)

Agaricites
     Agaricites Meschinelli, 1891 † · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > Fungi (awaiting allocation) (Class) > Fungi (awaiting allocation) (Order) > Fungi (awaiting allocation) (Family)
 Agaricites Milne-Edwards, 1860 accepted as Agaricia Lamarck, 1801 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Agariciidae (Family)

Agaricum
 Agaricum P. Micheli ex Maratti, 1822 accepted as Fomitopsis P.A. Karsten, 1881 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Fomitopsidaceae (Family)
 Agaricum Paulet, 1812 accepted as Fomitopsis P.A. Karsten, 1881 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Fomitopsidaceae (Family)

Agaricus
     Agaricus Linnaeus, 1753 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
 Agaricus Rafinesque, 1830 accepted as Amanita Persoon, 1797 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Amanitaceae (Family)
 Agaricus Linnaeus ex Murrill, 1905 accepted as Daedalea Persoon, 1801 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Fomitopsidaceae (Family)

Agarista
     Agarista Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Agarista D. Don ex G. Don, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
 Agarista A.P. de Candolle, 1836 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Agarites
     Agarites G. Saporta, 1890? † accepted as Agarites G. Saporta, 1890? † (unassessed) · Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
 Agarites L. Agassiz, 1841 accepted as Arbacia Gray, 1835 (Subjective junior synonym) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Arbacioida (Order) > Arbaciidae (Family)

Agarum
 Agarum Bory de Saint-Vincent, 1826 accepted as Agarum Dumortier, 1822 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Laminariales (Order) > Laminariaceae (Family)
     Agarum Dumortier, 1822 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Laminariales (Order) > Costariaceae (Family)
 Agarum Link, 1809 accepted as Phycodrys Kützing, 1843 (synonym) · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Delesseriaceae (Family)

Agassizia
     Agassizia Behr, 1870 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Agassizia Thomson, 1883 † accepted as Agassizia Thomson, 1883 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Anthozoa (awaiting allocation) (Order) > Anthozoa (awaiting allocation) (Family)
     Agassizia Valenciennes in Du Petit-Thouars, 1846 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Prenasteridae (Family)
 Agassizia A. Gray & Engelmann, 1846 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Agassizia Chavannes, 1833 accepted as Agassizia Chavannes, 1833 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
 Agassizia Spach, 1835 accepted as Camissonia Link, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)
 Agassizia Vetter, 1881 † accepted as Asthenocormus Woodward, 1895 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pachycormiformes (Order) > Pachycormiformes (awaiting allocation) (Family)
 Agassizia Yoshiyasu, 1987 accepted as Agassiziella Yoshiyasu, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Agasta
     Agasta Hope, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Agasta Miers, 1875 accepted as Agasta Miers, 1875 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Lecythidaceae (Family)

Agasthenes
     Agasthenes Bates, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Agasthenes Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Agathamminoides
 Agathamminoides Zaninetti, 1969 † accepted as Gsollbergella Zaninetti, 1979 † (Opinion of Loeblich & Tappan, 1987) · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Miliolida (Order) > Ophthalmidiidae (Family)
     Agathamminoides Vangerow, 1964 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lituolida (Order) > Ammodiscidae (Family)

Agathidium
     Agathidium Panzer · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
 Agathidium Illiger in Kugelann, 1798 accepted as Agathidium Panzer · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Agathilla
     Agathilla Westwood, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Agathilla Norman, 1900 accepted as Agathylla Adams, 1855 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)

Agathina
     Agathina White, 1843 accepted as Agathina White, 1843 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Agathina Rafinesque, 1831 accepted as Agathina Rafinesque, 1831 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Agathina Férussac, 1807 accepted as Achatina Lamarck, 1799 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Achatinidae (Family)

Agathinus
     Agathinus Broun, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Belidae (Family)
 Agathinus Paetel, 1888 accepted as Agathirses Montfort, 1808 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Siliquariidae (Family)

Agathiphyllia
     Agathiphyllia Reuss, 1863 accepted as Agathiphyllia Reuss, 1863 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Agathiphyllia † accepted as Agathyphyllia Reuss, 1864 · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Agathis
     Agathis Latreille, 1804 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
     Agathis R.A. Salisbury, 1807 · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinales (Order) > Araucariaceae (Family)

Agathocrinus
     Agathocrinus Stoddart, 1876 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)
     Agathocrinus Schevchenko, 1967 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)

Agathodes
     Agathodes Guenée, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Agathodes Portevin, 1926 accepted as Stetholiodes Fall, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Agathomyia
     Agathomyia Verrall, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Platypezidae (Family)
     Agathomyia Reinhard, 1959 accepted as Agathomyia Reinhard, 1959 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Agathoxylon
     Agathoxylon Hartig, 1848 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinales (Order) > Araucariaceae (Family)
 Agathoxylon P. Greguss, 1952 † accepted as Agathoxylon Hartig, 1848 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinales (Order) > Araucariaceae (Family)

Agathyrsus
     Agathyrsus D. Don, 1829 accepted as Agathyrsus D. Don, 1829 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Agathyrsus Herrmannsen, 1846 accepted as Agathirses Montfort, 1808 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Siliquariidae (Family)

Agaura
     Agaura Burmeister, 1837 accepted as Agaura Burmeister, 1837 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Agaura Brunner, 1891 accepted as Agaurella Uvarov, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Agavites
     Agavites H. Abich, 1859 † accepted as Agavites H. Abich, 1859 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Agavites R. de Visiani, 1869 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliopsida (awaiting allocation) (Order) > Magnoliopsida (awaiting allocation) (Family)

Agdestis
     Agdestis Séguy, 1937 accepted as Agdestis Séguy, 1937 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Agdestis Moçiño & Sessé ex A.P. de Candolle, 1817 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Sarcobataceae (Family)

Agelaea
     Agelaea Géne, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Agelaea Solander ex J.E. Planchon, 1850 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Oxalidales (Order) > Connaraceae (Family)
 Agelaea Agassiz, 1846 accepted as Agelaia Lepeletier de St Fargeau, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)

Agelastica
     Agelastica Redtenbacher, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Agelastica Chevrolat, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Agelastica Dejean, 1835 accepted as Agelastica Redtenbacher, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Agelenopsis
     Agelenopsis Simon, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Agelenidae (Family)
     Agelenopsis Giebel, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Agelenidae (Family)

Agelia
     Agelia Laporte & Gory, 1835-36 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Agelia Rafinesque, 1815 accepted as Agelia Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Agenia
     Agenia Schiödte, 1837 accepted as Agenia Schiödte, 1837 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pompilidae (Family)
     Agenia Descourtilz, 1825 accepted as Agenia Descourtilz, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Agenius
 Agenius Lepeletier & Serville, 1825 accepted as Campulipus Kirby, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Agenius Agassiz, 1846 accepted as Ageneiosus Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Auchenipteridae (Family)

Agenor
     Agenor Rafinesque, 1815 accepted as Agenor Rafinesque, 1815 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Agenor Castelnau, 1879 accepted as Scorpis Valenciennes in Cuvier & Valenciennes, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Kyphosidae (Family)
 Agenor Dallas, 1851 accepted as Neagenor Bergroth, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
 Agenor Risso, 1827 accepted as Argulus O.F. Müller, 1785 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Arguloida (Order) > Argulidae (Family)

Agenora
     Agenora Cameron, 1909 accepted as Agenora Cameron, 1909 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Agenora D. Don, 1829 accepted as Agenora D. Don, 1829 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Ageratina
     Ageratina Spach, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Ageratina O. Hoffmann in Engler, 1900 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Ageratum
 Ageratum P. Miller, 1754 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
     Ageratum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Ageria
     Ageria Abbass, 1973 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Ageria Adanson, 1763 accepted as Ageria Adanson, 1763 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Aquifoliales (Order) > Aquifoliaceae (Family)
 Ageria Rafinesque, 1838 accepted as Ilex Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Aquifoliales (Order) > Aquifoliaceae (Family)

Agerina
     Agerina Tjernvik, 1956 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Proetida (awaiting allocation) (Family)
     Agerina Farinacci, 1991 † accepted as Agerina Farinacci, 1991 † (unassessed) · Chromista (Kingdom) > Retaria (Phylum) > Foraminifera incertae sedis (Class) > Foraminifera (awaiting allocation) (Order) > Foraminifera (awaiting allocation) (Family)
 Agerina Crusafont-Pairo, 1967 † accepted as Agerinia Crusafont Pairó, 1973 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Adapidae (Family)

Agerochus
     Agerochus Rafinesque, 1815 accepted as Agerochus Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Agerochus Rafinesque, 1815 accepted as Agerochus Rafinesque, 1815 · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Agetus
     Agetus Krøyer, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Corycaeidae (Family)
 Agetus Chapuis in Lacordaire, 1874 accepted as Agetinus Lefèvre, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Agina
     Agina Necker ex Post & O. Kuntze, 1903 accepted as Agina Necker ex Post & O. Kuntze, 1903 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
 Agina Turton, 1822 accepted as Hiatella Bosc, 1801 (synonym) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Hiatellidae (Family)

Aglae
     Aglae Lepeletier & Serville, 1825 accepted as Aglae Lepeletier & Serville, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Apidae (Family)
 Aglae Dulac, 1867 accepted as Najas Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Hydrocharitaceae (Family)

Aglaia
     Aglaia Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)
     Aglaia Swainson, 1827 accepted as Aglaia Swainson, 1827 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aglaia Renier, 1804 accepted as Aglaia Renier, 1804 (Published in a rejected work (ICZN)) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Aglaia Renier, 1807 accepted as Aglaia Renier, 1807 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Aglaia F. Allamand, 1770 accepted as Aglaia F. Allamand, 1770 (nomen rejiciendum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
     Aglaia Müller, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Candonidae (Family)
 Aglaia Dalla Torre, 1904 accepted as Agelaia Lepeletier de St Fargeau, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
 Aglaia Brady, 1868 accepted as Aglaiocypris Sylvester-Bradley, 1947 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Candonidae (Family)

Aglaja
     Aglaja Renier, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Aglajidae (Family)
     Aglaja Albers, 1850 accepted as Aglaja Albers, 1850 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Aglaja Eschscholtz, 1825 accepted as Abylopsis Chun, 1888 · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Aglaomorpha
     Aglaomorpha Koda, 1987 accepted as Aglaomorpha Koda, 1987 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Arctiidae (Family)
     Aglaomorpha H.W. Schott, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Aglaope
     Aglaope Latreille, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Zygaenidae (Family)
 Aglaope Rafinesque, 1814 accepted as Lysmata Risso, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Hippolytidae (Family)

Aglaostola
     Aglaostola Thomson, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Aglaostola Saunders, 1871 accepted as Aglaostola Saunders, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Aglaura
 Aglaura Oken, 1816 accepted as Aglaura Oken, 1816 (Published in a rejected work (ICZN)) · Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Aglaura Rafinesque, 1815 accepted as Aglaura Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Aglaura Westwood in Doubleday & Westwood, 1851 accepted as Aglaura Westwood in Doubleday & Westwood, 1851 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Aglaura Gistl, 1848 accepted as Aglaura Gistl, 1848 (Unjustified (?) emendation) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Aglaura Péron & Lesueur, 1810 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Trachylina (Order) > Rhopalonematidae (Family)
 Aglaura Herrich-Schaffer, 1849 accepted as Zeuxidia Hübner, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Aglaura Doyère, 1841 accepted as · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Order) > Oenonidae (Family)
     Aglaura Savigny in Lamarck, 1818 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Order) > Oenonidae (Family)

Aglia
     Aglia Ochsenheimer, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
 Aglia Gray, 1847 accepted as Aglia Gray, 1847 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aglypha
 Aglypha Mulsant & Rey, 1873 accepted as Dinaraea Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Aglypha Mulsant & Rey, 1873 accepted as Dinaraea Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Aglypha Mulsant & Rey, 1874 accepted as Dinaraea Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Aglypha Mulsant & Rey, 1874 accepted as Dinaraea Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Aglyptosternon
     Aglyptosternon Bleeker, 1862 accepted as Aglyptosternon Bleeker, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Sisoridae (Family)
 Aglyptosternon Bleeker, 1862 accepted as Glyptothorax Blyth, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Sisoridae (Family)

Aglyptus
     Aglyptus Förster, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)
 Aglyptus Ashmead, 1900 accepted as Aglyptus Ashmead, 1900 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Aglyptus Leconte, 1866 accepted as Aglyptinus Cockerell, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Agnaeformia
     Agnaeformia Shatrovskiy, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Agnaeformia Shatrovskiy in Shatrovskij, 1992 accepted as Agnaeformia Shatrovskiy, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)

Agnesia
     Agnesia Koninck, 1883 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Porcelliidae (Family)
     Agnesia Attems, 1953 accepted as Agnesia Attems, 1953 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Paradoxosomatidae (Family)
     Agnesia F.O. Zuloaga & E.J. Judziewicz, 1993 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Agnesia Lokay, 1907 accepted as Sognorus Reitter, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Agnesia Michaelsen, 1898 accepted as Agnezia Monniot C. & Monniot F., 1991 (Spelling variation) · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Phlebobranchia (Order) > Agneziidae (Family)

Agnus
     Agnus Burmeister, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)
 Agnus Günther, 1860 accepted as Astroscopus Brevoort in Gill, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Uranoscopidae (Family)

Agonia
     Agonia Förster, 1862 accepted as Agonia Förster, 1862 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Agonia Weise, 1905 accepted as Agonita Strand, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Agonis
     Agonis Felder, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Callidulidae (Family)
     Agonis (A.P. de Candolle) Sweet, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Agonium
     Agonium A.S. Örsted, 1844 · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > Fungi (awaiting allocation) (Class) > Fungi (awaiting allocation) (Order) > Fungi (awaiting allocation) (Family)
 Agonium Solier in Gay, 1849 accepted as Agonum Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agonodemus
 Agonodemus de Chaudoir, 1838 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Agonodemus Reitter, 1896 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agonoderus
 Agonoderus Gemminger & Harold, 1868 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Agonoderus Dejean, 1829 accepted as Stenolophus Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agonopsis
     Agonopsis Semenov, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Agonopsis Gill, 1861 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Agonidae (Family)

Agonosoma
     Agonosoma Guérin-Ménéville in Duperry, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)
     Agonosoma de Laporte, 1832 accepted as Agonosoma de Laporte, 1832 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Scutelleridae (Family)

Agonum
     Agonum Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Agonum Stephens, 1827 accepted as Agonum Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agorius
     Agorius Simon, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
     Agorius Thorell, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)

Agostenus
     Agostenus Steven or Fischer Waldheim, 1829 accepted as Agostenus Steven or Fischer Waldheim, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Agostenus Motschoulsky, 1850 accepted as Chlaenius Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agrammodes
     Agrammodes Uhler in Gillette & Baker, 1895 accepted as Agrammodes Uhler in Gillette & Baker, 1895 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Agrammodes Warren, 1911 accepted as Pseudomaenas Prout, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Agrapha
     Agrapha Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Agrapha Gumppenberg, 1887 accepted as Agrapha Gumppenberg, 1887 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Agraphis
     Agraphis Link, 1829 accepted as Agraphis Link, 1829 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Agraphis Guignot, 1954 accepted as Platambus Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Agraphus
     Agraphus Say, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Agraphus Schoenherr, 1833 accepted as Agraphus Say, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Agraphus Schoenherr, 1834 accepted as Agraphus Say, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Agrestia
 Agrestia J.W. Thomson, 1961 accepted as Aspicilia A. Massalongo, 1852 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Pertusariales (Order) > Megasporaceae (Family)
 Agrestia accepted as Agrestis Bubani, 1901 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Agreuter
     Agreuter Lepeletier & Serville, 1828 accepted as Agreuter Lepeletier & Serville, 1828 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Agreuter Schmidt-Goebel, 1846 accepted as Oxycentrus Chaudoir, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agria
     Agria Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Agria Matheron, 1878 † accepted as Agria Matheron, 1878 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Agria Yakobson & Bianki, 1905 accepted as Argia Rambur, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Coenagrionidae (Family)
 Agria Macquart, 1835 accepted as Agria Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)

Agricola
     Agricola Bonaparte, 1854 accepted as Agricola Bonaparte, 1854 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Agricola Blasius, 1857 accepted as Microtus Schrank, 1798 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Cricetidae (Family)

Agrilinus
     Agrilinus Mulsant, 1870 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Agrilinus Mulsant & Rey, 1869 accepted as Aphodius Illiger in Kugelann, 1798 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Agrilus
     Agrilus Curtis, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Agrilus Gemminger & Harold, 1869 accepted as Paragrilus Saunders, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Agrilus Dahl, 1823 accepted as Agrilus Curtis, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Agriochaeta
     Agriochaeta Enderlein, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Agriochaeta Pascoe, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Agriocnemis
     Agriocnemis Selys, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Coenagrionidae (Family)
     Agriocnemis Selys in Pollen & Van Dam, 1869 accepted as Agriocnemis Selys, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Coenagrionidae (Family)

Agriodus
 Agriodus Péringuey, 1896 accepted as Nothodaptus Maindron, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Agriodus Smith, 1840 accepted as Otocyon Müller, 1836 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Canidae (Family)

Agrion
     Agrion Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Agriidae (Family)
     Agrion Leach, 1815 accepted as Agrion Leach, 1815 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)

Agriope
     Agriope Rafinesque, 1815 accepted as Agriope Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Agriope Ragonot, 1894 accepted as Agriope Ragonot, 1894 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Agriopis
     Agriopis Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Agriopis Boisduval, 1840 accepted as Agriopis Boisduval, 1840 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Agriotes
     Agriotes Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Agriotes Jan, 1863 accepted as Agriotes Jan, 1863 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Agriotherium
     Agriotherium Wagner, 1837 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Hemicyonidae (Family)
 Agriotherium Scott, 1898 † accepted as Protoreodon Scott & Osborn, 1887 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Agriochoeridae (Family)

Agrius
     Agrius Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Agrius Chevrolat, 1854 accepted as Pinochile Motschulsky, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agrochlaenius
 Agrochlaenius Basilewsky & Grundmann, 1954 accepted as Chlaenius Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Agrochlaenius Lučnik, 1933 accepted as Chlaenius Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agroecus
     Agroecus Fairmaire, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Agroecus Dallas, 1851 accepted as Agroecus Dallas, 1851 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Agronoma
 Agronoma Hübner, 1826 accepted as Agrotis Ochsenheimer, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Agronoma Gistel, 1848 accepted as Agronoma Hübner, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Agrophila
     Agrophila Lioy, 1864 accepted as Agrophila Lioy, 1864 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Agrophila Boisduval, 1840 accepted as Agrophila Boisduval, 1840 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Agrophila Agassiz, 1846 accepted as Agriphila Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Agrotis
     Agrotis Ochsenheimer, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Agrotis Hübner, 1809-1813 accepted as Agrotis Hübner, 1809-1813 (Published in a rejected work (ICZN)) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Agylla
     Agylla Philippi, 1865 accepted as Agylla Philippi, 1865 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
     Agylla Walker, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Arctiidae (Family)
     Agylla Stål, 1865 accepted as Agylla Stål, 1865 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Agyriella
     Agyriella P.A. Saccardo, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Agyriella J.B. Ellis & B.M. Everhart, 1897 accepted as Schizoxylon Persoon, 1810 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Stictidaceae (Family)

Agyrtes
     Agyrtes Frölich, 1799 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Agyrtidae (Family)
 Agyrtes Scudder, 1901 accepted as Argyrtes Saussure & Pictet, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Rhaphidophoridae (Family)

Ahaetulla
     Ahaetulla Link, 1807 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Ahaetulla Gray, 1825 accepted as Ahaetulla Gray, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Ahmadia
     Ahmadia H. Sydow, 1939 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Ahmadia D.D. Pant & P.C. Srivastava, 1991 † · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Ahngeria
     Ahngeria Melichar, 1902 accepted as Ahngeria Melichar, 1902 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Ahngeria Kokujew, 1902 accepted as Ahngeria Kokujew, 1902 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Ahrensia
     Ahrensia Uchino et al., 1999 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Alphaproteobacteria (Class) > Rhodobacterales (Order) > Rhodobacteraceae (Family)
     Ahrensia Robineau-Desvoidy, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Aikinia
 Aikinia Wallich, 1832 accepted as Mnesithea Kunth, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Aikinia R. Brown in N. Wallich, 1832 accepted as Epithema Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Ailanthoxylon
     Ailanthoxylon U. Prakash, 1959 † accepted as Ailanthoxylon U. Prakash, 1959 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Simaroubaceae (Family)
 Ailanthoxylon C.G.K. Ramanujam, 1960 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Simaroubaceae (Family)

Aillya
     Aillya Odhner, 1927 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Aillyidae (Family)
     Aillya Vriese, 1854 accepted as Aillya Vriese, 1854 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Goodeniaceae (Family)

Ailsacrinus
     Ailsacrinus Taylor, 1983 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Millericrinida (Order) > Millericrinida (awaiting allocation) (Family)
     Ailsacrinus Mironov & Sorokina, 1998 † accepted as Ailsacrinus Mironov & Sorokina, 1998 † (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Millericrinida (Order) > Hyocrinidae (Family)

Ailurops
     Ailurops Wagler, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Diprotodontia (Order) > Phalangeridae (Family)
     Ailurops Bonaparte, 1837 accepted as Ailurops Bonaparte, 1837 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Ainia
     Ainia Lelesus, 1974 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Tabulata (Order) > Romingeriidae (Family)
     Ainia Jordan, 1919 † accepted as Ainia Jordan, 1919 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Amiiformes (Order) > Amiiformes (awaiting allocation) (Family)

Ainoa
     Ainoa H.T. Lumbsch & I. Schmitt in H.T. Lumbsch et al., 2001 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Baeomycetales (Order) > Baeomycetales incertae sedis (Family)
     Ainoa Männil, 1958 † accepted as Ainoa Männil, 1958 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Ainsworthia
     Ainsworthia Boissier, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Ainsworthia Batista & Ciferri, 1962 accepted as Phaeosaccardinula P.C. Hennings, 1905 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Chaetothyriales (Order) > Chaetothyriaceae (Family)

Ainuathous
     Ainuathous Babai & Ôhira, 1956 accepted as Medakathous Kishii, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Ainuathous Kishii, 1987 accepted as Medakathous Kishii, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Ainudrilus
     Ainudrilus Wang & Erséus, 2003 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Naididae (Family)
     Ainudrilus Finogenova, 1982 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Naididae (Family)

Aira
     Aira Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Aira Reitter, 1876 accepted as Airora Reitter, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)

Aithyia
     Aithyia Bonaparte, 1838 accepted as Aithyia Bonaparte, 1838 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Aithyia Gloger, 1827 accepted as Aythya Boie, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Anseriformes (Order) > Anatidae (Family)

Aix
     Aix Boie, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Anseriformes (Order) > Anatidae (Family)
 Aix Agassiz, 1846 accepted as Aia Eyton, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Aizoon
 Aizoon J. Hill, 1756 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)
     Aizoon Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)

Ajax
 Ajax R.A. Salisbury ex A.H. Haworth, 1812 accepted as Narcissus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
 Ajax Lesson, 1837 accepted as Eupetes Temminck in Temminck & Laugier, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)

Aka
     Aka White, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cixiidae (Family)
 Aka de Laubenfels, 1936 accepted as Siphonodictyon Bergquist, 1965 (Junior synonymy with insect genus Aka White, 1879. Reverting to next available name.) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Haplosclerida (Order) > Phloeodictyidae (Family)

Akaste
     Akaste Gistl, 1847 accepted as Akaste Gistl, 1847 (unassessed) · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Holothuroidea (awaiting allocation) (Order) > Holothuroidea (awaiting allocation) (Family)
 Akaste Goldfuss, 1843 † accepted as Acaste Goldfuss, 1843 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Phacopida (Order) > Acastidae (Family)

Akenomyces
     Akenomyces G. Arnaud ex D. Hornby, 1984 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricomycetes incertae sedis (Order) > Agaricomycetes incertae sedis (Family)
 Akenomyces G. Arnaud, 1954 accepted as Akenomyces G. Arnaud, 1954 (Not validly published) · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricomycetes incertae sedis (Order) > Agaricomycetes incertae sedis (Family)

Akentra
     Akentra Franciscolo, 1954 accepted as Akentra Franciscolo, 1954 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Akentra L. Benjamin, 1847 accepted as Utricularia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lentibulariaceae (Family)

Akialoa
     Akialoa Pratt in Scott et al., 2001 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)
     Akialoa Olson & James, 1995 accepted as Akialoa Olson & James, 1995 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeriformes (awaiting allocation) (Family)

Akidocheilus
     Akidocheilus Shimansky, 1947 † accepted as Akidocheilus Shimansky, 1947 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Akidocheilus Till, 1907 † accepted as Akidocheilus Till, 1907 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aktassia
     Aktassia Pritykina, 1968 † accepted as Aktassia Pritykina, 1968 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
     Aktassia Popov in Nazarov & Popov, 1976 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Linguliporida (Order) > Acrotretidae (Family)

Ala
     Ala Nalivkin, 1979 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Spiriferidae (Family)
     Ala Staudinger, 1882 accepted as Ala Staudinger, 1882 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Ala D.L. Szlachetko, 1995 accepted as Ala D.L. Szlachetko, 1995 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Ala Lockington, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Mithracidae (Family)

Alaca
     Alaca Oman, 1937 accepted as Alaca Oman, 1937 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Alaca Böttger, 1911 accepted as Alaca Böttger, 1911 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Alacia
     Alacia Poulsen, 1973 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Halocyprida (Order) > Halocyprididae (Family)
     Alacia Martens, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Halocyprida (Order) > Halocyprididae (Family)

Alafia
     Alafia Du Petit-Thouars, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Alafia Maulik, 1936 accepted as Luperocella Jacoby, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Alampes
     Alampes Horváth, 1884 accepted as Alampes Horváth, 1884 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Alampes Champion, 1895 accepted as Peralampes Johnson, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Alampetis
     Alampetis Martens, 1898 accepted as Alampetis Martens, 1898 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Alampetis Thomson, 1878 accepted as Psiloptera Solier, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Alania
     Alania Endlicher, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Boryaceae (Family)
     Alania Berge & Vader, 2001 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Stegocephalidae (Family)

Alanisia
     Alanisia Hupé, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Protolenidae (Family)
     Alanisia Hupé in Piveteau, 1953 † accepted as Alanisia Hupé in Piveteau, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Protolenidae (Family)

Alarconia
     Alarconia Glassell, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pinnotheridae (Family)
 Alarconia A.P. de Candolle, 1836 accepted as Wyethia Nuttall, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Alardus
     Alardus Distant, 1903 accepted as Alardus Distant, 1903 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Gerridae (Family)
 Alardus Busch, 1851 accepted as Micrura Ehrenberg, 1828 (Junior synonym) · Animalia (Kingdom) > Nemertea (Phylum) > Anopla (Class) > Heteronemertea (Order) > Lineidae (Family)

Alaria
     Alaria Schrank, 1788 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Strigeidida (Order) > Diplostomatidae (Family)
     Alaria Greville, 1830 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Laminariales (Order) > Alariaceae (Family)
 Alaria Morris & Lycett, 1851 † accepted as Dicroloma Gabb, 1868 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Aporrhaidae (Family)
 Alaria Duncan, 1841 accepted as Adonisea Grote, 1875 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Alaria Zhao & Li, 2012 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Theridiosomatidae (Family)

Alasia
     Alasia Enderlein, 1936 accepted as Alasia Enderlein, 1936 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Alasia Furth & Zhaurova, 2010 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Alaskadiscus
     Alaskadiscus Zhang in Zhang, Lu et al., 1980 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Agnostida (Order) > Eodiscidae (Family)
 Alaskadiscus Rohr, Frýda & Blodgett, 2003 † accepted as Alaskodiscus Rohr, Frýda & Blodgett, 2013 † (junior homonym) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca incertae sedis (Class) > Gastropoda/Monoplacophora incertae sedis (Order) > Tropidodiscidae (Family)

Alaskoceras
     Alaskoceras Miller & Kummel, 1945 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Tarphycerida (Order) > Tarphycerida (awaiting allocation) (Family)
     Alaskoceras Westermann, 1969 † accepted as Alaskoceras Westermann, 1969 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)

Alasmodon
 Alasmodon Sowerby, 1824 accepted as Alasmodon Sowerby, 1824 (Unjustified (?) emendation) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Alasmodon Thomson, 1820 accepted as Alasmidonta Say, 1818 (unjustified emendation) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Unionidae (Family)

Alastor
     Alastor Lepeletier de St. Fargeau, 1841 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Alastor Weithofer, 1887 † accepted as Alastorius Strand, 1928 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Palaeochiropterygidae (Family)
 Alastor Weithofer, 1888 † accepted as Alastorius Strand, 1928 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Palaeochiropterygidae (Family)
 Alastor Perty, 1852 accepted as Kerona Müller, 1786 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Oxytrichidae (Family)
     Alastor Boisduval, 1869 accepted as Alastor Boisduval, 1869 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Alata
     Alata Walker, 1863 accepted as Alata Walker, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Alata Linck, 1783 accepted as Alata Linck, 1783 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Alata Thorbiornsen, 1823 accepted as Alata Thorbiornsen, 1823 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Alatacythere
     Alatacythere Murray & Hussey, 1942 † accepted as Alatacythere Murray & Hussey, 1942 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Trachyleberididae (Family)
 Alatacythere Murray & Hussey, 1952 † accepted as Pterygocythereis Blake in Procter, 1933 (taxon accepted at subgenus level) · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Trachyleberididae (Family)

Alataupleura
     Alataupleura Lisogor, 1974 † accepted as Alataupleura Lisogor, 1974 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Alataupleura Lisogor, 1977 † accepted as Alataupleura Lisogor, 1977 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Alatavia
     Alatavia Baitenov, 1974 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Alatavia G.I. Rodionenko, 1999 accepted as Alatavia G.I. Rodionenko, 1999 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Alatospora
     Alatospora Ingold, 1942 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Leotiales (Order) > Leotiaceae (Family)
 Alatospora Shulman, Kovalyova & Dubina, 1979 accepted as Alataspora Schulman, Kovaleva & Dubina, 1979 · Animalia (Kingdom) > Cnidaria (Phylum) > Myxosporea (Class) > Bivalvulida (Order) > Alatasporidae (Family)

Alauda
     Alauda Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Alaudidae (Family)
 Alauda Daudin, 1816 accepted as Alauda Daudin, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Alaudula
 Alaudula Hume, 1867 accepted as Alaudula Hume, 1867 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Alaudula Schaufuss, 1889 accepted as Scydmaenus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Alauna
     Alauna Goodsir, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Cumacea (Order) > Diastylidae (Family)
     Alauna Krøyer, 1846 accepted as Alauna Krøyer, 1846 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Alaus
     Alaus Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Alaus Fairmaire, 1878 accepted as Alaus Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Albanella
 Albanella Müller, 1914 accepted as Speonesiotes Jeannel, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
 Albanella Harris & Lalicker, 1932 † accepted as (junior homonym) · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Beyrichiidae (Family)

Albaniana
     Albaniana Radoman, 1973 accepted as Albaniana Radoman, 1973 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Albaniana Rainbow & Pulleine, 1918 accepted as Euoplos Rainbow, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Idiopidae (Family)

Albardia
     Albardia Weele, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Stilbopterygidae (Family)
 Albardia Jakobson in Jakobson & Bianchi, 1904 accepted as Cerobasis Kolbe, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Trogiidae (Family)

Albatrossia
     Albatrossia Jordan & Gilbert in Jordan & Evermann, 1898 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Macrouridae (Family)
 Albatrossia Ludwig, 1905 accepted as Porcellanaster Wyville Thomson, 1877 (synonym) · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Paxillosida (Order) > Porcellanasteridae (Family)

Albersia
     Albersia Adams in Wallace, 1865 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Camaenidae (Family)
     Albersia Kunth, 1838 accepted as Albersia Kunth, 1838 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Albertia
     Albertia W.P. Schimper in Voltz, 1837(?) † accepted as Albertia W.P. Schimper in Voltz, 1837(?) † (unassessed) · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
     Albertia Dujardin, 1838 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Dicranophoridae (Family)
     Albertia Thomson, 1878 accepted as Albertia Thomson, 1878 (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Anthozoa (awaiting allocation) (Order) > Anthozoa (awaiting allocation) (Family)
     Albertia Rondani, 1843 accepted as Albertia Rondani, 1843 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Albertia Vozzhennikova, 1967 † accepted as · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Peridiniales (Order) > Peridiniaceae (Family)
 Albertia Regel & Schmalhausen, 1877 accepted as Kozlovia Lipsky, 1904 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Albertia Tapparoni-Canefri, 1879 accepted as Albersia Adams in Wallace, 1865 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Camaenidae (Family)

Albertinia
     Albertinia K.P.J. Sprengel, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Albertinia de Lotto, 1971 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)

Albertisia
     Albertisia Beccari, 1877 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Menispermaceae (Family)
 Albertisia Issel, 1880 accepted as Truncatella Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Truncatellidae (Family)

Albertisiella
     Albertisiella Griffini, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Albertisiella Pierre ex Aubréville, 1964 accepted as Planchonella Pierre, 1890 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)

Albia
     Albia Thon, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Aturidae (Family)
 Albia Tischbein, 1846 accepted as Abia Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Cimbicidae (Family)

Albileberis
     Albileberis Hou in Hou & Tian, 1982 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Trachyleberididae (Family)
     Albileberis Hou, 1978 † accepted as Albileberis Hou, 1978 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Trachyleberididae (Family)

Albinia
     Albinia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Albinia Briosi, 1877 accepted as Albinia Briosi, 1877 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Albionella
     Albionella Chickering, 1946 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Albionella Kabata, 1979 accepted as Neoalbionella Özdikmen, 2008 (preoccupied by a spider, see Chickering 1946 ) · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Lernaeopodidae (Family)

Albizzioxylon
 Albizzioxylon Ramanujam, 1960 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Albizzioxylon P. Greguss, 1969 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Albizzioxylon A.A. Nikitin, 1935 † accepted as Albizzioxylon A.A. Nikitin, 1935 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Albrechtia
     Albrechtia Taki, 1955 accepted as Albrechtia Taki, 1955 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Ischnochitonidae (Family)
     Albrechtia Carbonell & Descamps, 1978 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Albula
     Albula Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Albuliformes (Order) > Albulidae (Family)
 Albula Röding, 1798 accepted as Polinices Montfort, 1810 (Invalid: junior homonym of Albula Osbeck, 1762 [Pisces]) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Naticidae (Family)
 Albula Bloch & Schneider, 1801 accepted as Albula Scopoli, 1777 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Albuliformes (Order) > Albulidae (Family)
 Albula Catesby, 1771 accepted as Mugil Linnaeus, 1758 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Mugilidae (Family)
 Albula Gronow, 1763 accepted as Albula Scopoli, 1777 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Albuliformes (Order) > Albulidae (Family)
 Albula Osbeck, 1765 accepted as Salanx Cuvier, 1816 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Salangidae (Family)

Alburnus
     Alburnus Rafinesque, 1820 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Alburnus Catesby, 1771 accepted as Alburnus Catesby, 1771 (Published in a rejected work (ICZN)) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sciaenidae (Family)

Alcathous
     Alcathous Thomson, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alcathous Stål, 1863 accepted as Alcathous Stål, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Alce
     Alce Smith, 1827 accepted as Alce Smith, 1827 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Alce Vrolik, 1829 accepted as Alce Vrolik, 1829 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
 Alce Blumenbach, 1799 accepted as Alces Gray, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)
 Alce Frisch, 1775 accepted as Alces Gray, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)

Alcea
 Alcea P. Miller, 1754 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Alcea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Alcelaphus
     Alcelaphus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Alcelaphus Gloger, 1841 accepted as Alces Gray, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)

Alcephalus
 Alcephalus Brooke, 1876 accepted as Alcelaphus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Alcephalus Sclater in Anderson, 1891 accepted as Alcelaphus de Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)

Alcides
     Alcides Hübner, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)
 Alcides Wiedemann, 1823 accepted as Merus Gistl, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Alcides Schönherr in Sahlberg, 1823 accepted as Sternuchopsis Heller, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Alcides Schoenherr, 1825 accepted as Sternuchopsis Heller, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Alcidia
     Alcidia Bourguignat, 1889 accepted as Alcidia Bourguignat, 1889 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Alcidia Westwood, 1879 accepted as Alcides Hübner, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)
 Alcidia Monterosato, 1890 accepted as Alvania Risso, 1826 (junior homonym of Alcidia Westwood, 1879 [Lepidoptera]; Alcidiella is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)
 Alcidia Woodworth, 1913 accepted as Euleia Walker, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Alcidiella
 Alcidiella Cossmann, 1921 accepted as Alvania Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)
 Alcidiella Thiele, 1929 accepted as Alvania Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)

Alcidion
 Alcidion Thomson, 1860 accepted as Nealcidion Monné, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alcidion Sturm, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alcidion Dejean, 1835 accepted as Nealcidion Monné, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alcidion White, 1855 accepted as Exalcidion Monné, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alcidis
     Alcidis Scudder, 1875 accepted as Alcidis Scudder, 1875 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Papilionidae (Family)
 Alcidis Hübner, 1823 accepted as Alcides Hübner, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)

Alcidius
     Alcidius Boucard, 1895 accepted as Alcidius Boucard, 1895 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Alcidius accepted as Nealcidion Monné, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alcimus
     Alcimus Loew, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
     Alcimus Dallas, 1851 accepted as Alcimus Dallas, 1851 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
 Alcimus Fairmaire, 1849 accepted as Aegus Macleay, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)

Alcina
     Alcina Clarke, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
 Alcina Cavanilles, 1791 accepted as Melampodium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Alcinoe
     Alcinoe Rafinesque, 1815 accepted as Alcinoe Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Alcinoe Rang, 1828 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Lobata (Order) > Ocyropsidae (Family)
 Alcinoe Ménétriés, 1849 accepted as · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Alcinoe Della Chiaje, 1841 accepted as Leucothea Mertens, 1833 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Lobata (Order) > Leucotheidae (Family)

Alcinoeta
     Alcinoeta Strand, 1929 † accepted as Alcinoeta Strand, 1929 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Alcinoeta von Steven, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Alcinous
     Alcinous Costa, 1861 accepted as Alcinous Costa, 1861 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Pycnogonida (Class) > Pantopoda (Order) > Pantopoda (awaiting allocation) (Family)
 Alcinous Deyrolle, 1864 accepted as Aaaba Bellamy, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Alciopa
     Alciopa Audouin & Milne-Edwards, 1833 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Alciopidae (Family)
     Alciopa Audouin & Milne-Edwards in Cuvier, 1829 accepted as Alciopa Audouin & Milne-Edwards, 1833 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Alciopidae (Family)

Alciope
     Alciope Adams, 1861 accepted as Alciope Adams, 1861 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Alciope Rafinesque, 1814 accepted as Pontonia Latreille in Cuvier, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Palaemonidae (Family)
 Alciope A.P. de Candolle in J. Lindley, 1836 accepted as Capelio B. Nordenstam, 2002 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Alciope Viguier, 1886 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Alciopidae (Family)

Alcippe
     Alcippe Blyth, 1844 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)
     Alcippe Gumppenberg, 1887 accepted as Alcippe Gumppenberg, 1887 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Alcippe Hancock, 1849 accepted as Trypetesa Norman, 1903 (synonymy) · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Apygophora (Order) > Trypetesidae (Family)

Alcippoides
 Alcippoides Strand, 1928 accepted as Trypetesa Norman, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Apygophora (Order) > Trypetesidae (Family)
 Alcippoides Turquier & Carton, 1976 accepted as Tomlinsonia Turquier, 1985 (synonymy) · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Apygophora (Order) > Trypetesidae (Family)

Alcis
     Alcis Curtis, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Alcis Gray, 1850 accepted as Alces Gray, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)

Alcmena
     Alcmena Stål, 1859 accepted as Alcmena Stål, 1859 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Alcmena Koch, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)

Alcockia
     Alcockia Goode & Bean, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Ophidiidae (Family)
 Alcockia Eguchi, 1968 accepted as Dendrophyllia de Blainville, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Dendrophylliidae (Family)
 Alcockia Števčić, 2005 accepted as Alfredalcockia Števčić, 2011 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Epialtidae (Family)

Alcyon
     Alcyon Boie, 1832 accepted as Alcyon Boie, 1832 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Alcyon Blumenbach, 1803 accepted as Alcedo Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Alcedinidae (Family)

Alcyoncellum
 Alcyoncellum de Blainville, 1830 accepted as Corbitella Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Sycettida (Order) > Sycettidae (Family)
 Alcyoncellum Quoy & Gaimard, 1833 accepted as Corbitella Gray, 1867 (unavailable name) · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Lyssacinosida (Order) > Euplectellidae (Family)

Alcyone
     Alcyone Swainson, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Alcedinidae (Family)
 Alcyone Kraatz, 1865 accepted as Alcinoeta von Steven, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Alcyonidium
     Alcyonidium J.V.F. Lamouroux, 1813 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Ctenostomatida (Order) > Alcyonidiidae (Family)
 Alcyonidium auct. accepted as Alcyonium Linnaeus, 1758 (misspelling) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Alcyonacea (Order) > Alcyoniidae (Family)

Alcyonium
     Alcyonium W. Hisinger, 1823 † accepted as Alcyonium W. Hisinger, 1823 † (unassessed) · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
     Alcyonium Linnaeus, 1758 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Alcyonacea (Order) > Alcyoniidae (Family)
 Alcyonium Pallas, 1766 accepted as Botryllus Gaertner, 1774 (preoccupied by Alcyonium Linnaeus, 1758 (Alcyoniidae, Octocorallia)) · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Styelidae (Family)

Alcyonum
     Alcyonum Risso, 1826 accepted as Alcyonum Risso, 1826 (unassessed) · Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
 Alcyonum Rafinesque, 1815 accepted as Alcyonium Linnaeus, 1758 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Alcyonacea (Order) > Alcyoniidae (Family)

Aldanella
     Aldanella P.N. Kolosov, 1966 † accepted as Aldanella P.N. Kolosov, 1966 † (unassessed) · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Rivulariaceae (Family)
     Aldanella Vostokova, 1962 † accepted as Aldanella Vostokova, 1962 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Helcionelloida (Class) > Pelagiellifomes (Order) > Aldanellidae (Family)

Aldania
     Aldania Vassiljeva, 1985 † · Animalia (Kingdom) > Problematica (Phylum) > Coeloscleritophora (Class) > Chancelloriida (Order) > Chancelloriida (awaiting allocation) (Family)
     Aldania Moore, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Aldania V.A. Samylina, 1956 † accepted as Aldania V.A. Samylina, 1956 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Cycadopsida (Class) > Cycadales (Order) > Cycadales (awaiting allocation) (Family)

Alderia
     Alderia Allman, 1845 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Limapontiidae (Family)
     Alderia Lahille, 1888 accepted as Alderia Lahille, 1888 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)
     Alderia Thompson, 1844 accepted as Alderia Allman, 1845 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Limapontiidae (Family)

Alderina
     Alderina Norman, 1903 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Calloporidae (Family)
 Alderina Pruvot-Fol, 1954 accepted as Alderella Odhner in Franc, 1968 (Invalid: junior homonym of Alderina Norman, 1903 [Bryozoa]; Alderella is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Limapontiidae (Family)

Aldina
     Aldina Angiolini, 1995 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Allorhynchidae (Family)
     Aldina Endlicher, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Aldina E.H.F. Meyer, 1836 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Aldina Adanson, 1763 accepted as Aldina Adanson, 1763 (nomen rejiciendum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Aldingeria
     Aldingeria Moy-Thomas, 1942 † accepted as Aldingeria Moy-Thomas, 1942 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Aldingeria Gross, 1942 † accepted as Moythomasia Gross, 1950 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)

Aldinia
 Aldinia Scopoli, 1777 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Aldinia Rafinesque, 1840 accepted as Croton Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Aldrichia
     Aldrichia Vaughan, 1900 † accepted as Aldrichia Vaughan, 1900 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Caryophylliidae (Family)
     Aldrichia Coquillett, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)
     Aldrichia Theobald, 1903 accepted as Aldrichia Theobald, 1903 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
     Aldrichia Palmer, 1937 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Neogastropoda (awaiting allocation) (Family)

Aldrichiella
     Aldrichiella Vaughan, 1903 † accepted as Aldrichiella Vaughan, 1903 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Caryophylliidae (Family)
 Aldrichiella Hendel, 1911 accepted as Aldrichiomyza Hendel, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Milichiidae (Family)
 Aldrichiella Rohdendorf, 1931 accepted as Aldrichina Townsend, 1934 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Calliphoridae (Family)

Aldrovandia
     Aldrovandia Goode & Bean, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Notacanthiformes (Order) > Halosauridae (Family)
     Aldrovandia Enderlein, 1912 accepted as Aldrovandia Enderlein, 1912 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Aldrovandia Števčić, 2005 accepted as Aldrovandiopanope Števčić, 2011 (unavailable name) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Xanthidae (Family)

Alebion
     Alebion Krøyer, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Caligidae (Family)
 Alebion Gray, 1867 accepted as Iophon Gray, 1867 (preoccupied) · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Acarnidae (Family)

Alecto
     Alecto Lesson, 1831 accepted as Alecto Lesson, 1831 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
 Alecto Agassiz, 1846 accepted as Alecton Laporte, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)
 Alecto Wagler, 1830 accepted as Notechis Boulenger, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
 Alecto Heyden, 1883 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Alecto Lamouroux, 1821 accepted as Stomatopora Bronn, 1825 (Homonym) · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cyclostomatida (Order) > Stomatoporidae (Family)
     Alecto Leach, 1815 accepted as · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Comatulida (Order) > Comatulida (awaiting allocation) (Family)

Alector
     Alector Oken, 1817 accepted as Alector Oken, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Cracidae (Family)
 Alector Gray, 1855 accepted as Alector Gray, 1855 (Misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
     Alector Merrem, 1786 accepted as Alector Merrem, 1786 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Alector Gistl, 1848 accepted as Cepheus Koch in Panzer, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Compactozetidae (Family)

Alectoria
     Alectoria Acharius, 1810 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Parmeliaceae (Family)
     Alectoria Brunner von Wattenwyl, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Alectoria accepted as Alectoris Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
 Alectoria Link, 1833 accepted as Usnea Dillenius ex Adanson, 1763 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Parmeliaceae (Family)

Alectoris
     Alectoris Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
     Alectoris Gistl, 1847 accepted as Alectoris Gistl, 1847 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Alectorolophus
     Alectorolophus Brunner, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Alectorolophus Zinn, 1757 accepted as Rhinanthus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Orobanchaceae (Family)

Alectorurus
 Alectorurus Makino, 1908 accepted as Comospermum S. Rauschert, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Alectorurus Agassiz, 1846 accepted as Alectorurus Agassiz, 1846 (Unjustified (?) emendation) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Alectorurus W.P. Schimper, 1869 † accepted as Alectorurus W.P. Schimper, 1869 † (unassessed) · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
 Alectorurus Gloger, 1842 accepted as Alectrurus Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)

Alectrura
 Alectrura Reichenbach, 1850 accepted as Alectrurus Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
 Alectrura Blyth, 1852 accepted as Alectura Latham, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Megapodiidae (Family)

Alectryon
     Alectryon J. Gaertner, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
     Alectryon Cabanis, 1846 accepted as Alectryon Cabanis, 1846 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Alectryon Melvill, 1918 accepted as Nassarius Duméril, 1805 (unjustified emendation) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)

Alectura
     Alectura Latham, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Megapodiidae (Family)
 Alectura Swainson, 1837 accepted as Alectrurus Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)

Alecturus
     Alecturus d'Orbigny & Lafresnay, 1837 accepted as Alecturus d'Orbigny & Lafresnay, 1837 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Alecturus Temminck, 1822 accepted as Alectrurus Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)

Aleioglyphesthus
 Aleioglyphesthus Scheerpeltz, 1975 accepted as Glyphesthus Kraatz, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Aleioglyphesthus Herman, 2001 accepted as Glyphesthus Kraatz, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Alema
     Alema Sharp, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Alema Enderlein, 1905 accepted as Alema Enderlein, 1905 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Coniopterygidae (Family)

Aleodorus
     Aleodorus Say, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Aleodorus Say, 1839 accepted as Aleodorus Say, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Alepis
     Alepis Van Tieghem, 1894 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Loranthaceae (Family)
 Alepis Agassiz, 1846 accepted as Alepes Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)

Alepocephalus
     Alepocephalus Risso, 1820 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Alepocephalidae (Family)
     Alepocephalus Parr, 1952 accepted as Alepocephalus Parr, 1952 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Aleposomus
 Aleposomus Gill, 1884 accepted as Xenodermichthys Günther, 1878 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Alepocephalidae (Family)
 Aleposomus Roule (ex Brauer), 1915 accepted as Rouleina Jordan, 1923 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Alepocephalidae (Family)

Alepyrum
 Alepyrum Hieronymus, 1873 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Restionaceae (Family)
 Alepyrum R. Brown, 1810 accepted as Centrolepis Labillardière, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Restionaceae (Family)

Aleria
     Aleria Stål, 1876 accepted as Aleria Stål, 1876 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
     Aleria Marshall, 1874 accepted as Aleria Marshall, 1874 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Alestogrammus
 Alestogrammus Hoedeman, 1951 accepted as Bathyaethiops Fowler, 1949 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Alestidae (Family)
 Alestogrammus Hoedeman, 1956 accepted as Bathyaethiops Fowler, 1949 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Alestidae (Family)

Aletes
     Aletes Lohmann, 1889 accepted as Aletes Lohmann, 1889 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Halacaridae (Family)
     Aletes · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > Fungi (awaiting allocation) (Class) > Fungi (awaiting allocation) (Order) > Fungi (awaiting allocation) (Family)
     Aletes Rafinesque, 1815 accepted as Aletes Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Aletes Chapuis in Lacordaire, 1874 accepted as Aletes Chapuis in Lacordaire, 1874 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Aletes J.M. Coulter & J.N. Rose, 1888 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Aletes G. Somers, 1953 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Aletes Carpenter, 1857 accepted as Thylacodes Guettard, 1770 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Vermetidae (Family)
 Aletes Chapuis, 1885 accepted as Alethaxius Lefèvre, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Aleuria
     Aleuria (E.M. Fries) Fuckel, 1870 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
 Aleuria (E.M. Fries) Gillet, 1879 accepted as Peziza Dillenius ex E.M. Fries, 1822 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pezizaceae (Family)

Aleurina
     Aleurina Massee, 1898 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
 Aleurina (P.A. Saccardo) P.A. Saccardo & P. Sydow in P.A. Saccardo, 1902 accepted as Peziza Dillenius ex E.M. Fries, 1822 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pezizaceae (Family)

Aleuroglyphus
     Aleuroglyphus Zachvatkin, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Acaridae (Family)
     Aleuroglyphus Zachvatkin, 1936 accepted as Aleuroglyphus Zachvatkin, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Acaridae (Family)

Alexandra
     Alexandra Bunge, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Alexandra R.H. Schomburgk, 1845 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Alexandrella
     Alexandrella Chevreux, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Stilipedidae (Family)
 Alexandrella Tonnoir, 1926 accepted as Tonnoiraptera Alexander, 1935 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)
 Alexandrella E.V. Bykova, 1958 † accepted as Maylisoria Bykova, 1961 † (Junior homonym of Alexandrella Chevreux, 1911) · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Allogromiida (Order) > Maylisoriidae (Family)

Alexandria
 Alexandria Tomlin, 1926 accepted as Alexania Strand, 1928 (invalid: junior homonym of Alexandria Pfeffer, 1881 [Echinodermata]; Alexania and Tomlinula are replacement names) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Epitoniidae (Family)
 Alexandria Obolkina, 1995 accepted as Kotinia Obolkina in Aescht, 2001 · Chromista (Kingdom) > Ciliophora (Phylum) > Prostomatea (Class) > Prostomatida (Order) > Prostomatida (awaiting allocation) (Family)
 Alexandria Pfeffer, 1881 accepted as Clypeaster Lamarck, 1801 ((sub)generic subdivision of Clypeaster not accepted by scientific community) · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Clypeasteridae (Family)

Alexandrina
 Alexandrina Hadži, 1938 accepted as Folliculinopsis Fauré-Fremiet, 1936 · Chromista (Kingdom) > Ciliophora (Phylum) > Heterotrichea (Class) > Heterotrichida (Order) > Folliculinidae (Family)
     Alexandrina Otte & Perez-Gelabert, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Podoscirtidae (Family)

Alexia
     Alexia de Laever, 1979 accepted as Alexia de Laever, 1979 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Alexia Leach in Gray, 1847 accepted as Myosotella Monterosato, 1906 (Invalid: junior homonym of Alexia Stephens, 1833 [Coleoptera]; Nealexia is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ellobiida (Order) > Ellobiidae (Family)
 Alexia Stephens, 1833 accepted as Sphaerosoma Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Alexiidae (Family)

Alexina
     Alexina Edwards, 1929 accepted as Alexina Edwards, 1929 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Psychodidae (Family)
     Alexina Hottinger & Caus, 2009 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Miliolida (Order) > Meandropsinidae (Family)

Aleyrodes
     Aleyrodes Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aleyrodidae (Family)
 Aleyrodes Latreille, 1807 accepted as Aleyrodes Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aleyrodidae (Family)

Alfredia
     Alfredia Bezzi, 1918 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)
     Alfredia Cassini in F. Cuvier, 1816 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Alga
 Alga Boehmer in C.G. Ludwig, 1760 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Potamogetonaceae (Family)
 Alga Adanson, 1763 accepted as Zostera Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Zosteraceae (Family)

Algerina
     Algerina Kriz, 2008 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Antipleuroida (Order) > Spanilidae (Family)
 Algerina † accepted as Algeriana Majoran, 1989 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Algoa
     Algoa Brues, 1910 accepted as Algoa Brues, 1910 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Bethylidae (Family)
     Algoa Gray, 1840 accepted as Algoa Gray, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Algoa Castelnau, 1861 accepted as Coryphaena Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Coryphaenidae (Family)

Algol
     Algol Sollas, 1888 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Ancorinidae (Family)
     Algol Kirkaldy, 1901 accepted as Algol Kirkaldy, 1901 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)

Alia
     Alia H. Adams & A. Adams, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Columbellidae (Family)
 Alia Gray, 1830 accepted as Ailia Gray, 1830 (misspelling) · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Schilbeidae (Family)
 Alia Dumont, 1817 accepted as Alca Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Alibertia
     Alibertia Risbec, 1951 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eulophidae (Family)
     Alibertia A. Richard ex A.P. de Candolle, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Alicia
     Alicia W.R. Anderson, 2006 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)
     Alicia Johnson, 1861 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Aliciidae (Family)
 Alicia Thomson, 1864 accepted as Egalicia Lane, 1974 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Alicia Angas, 1868 accepted as Thraciopsis Tate & May, 1900 (synonym) · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Anomalodesmata (Order) > Thraciidae (Family)

Aliciana
     Aliciana Clarke, 1978 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)
     Aliciana Noguera, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alicula
     Alicula Eichwald, 1830 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Scaphandridae (Family)
 Alicula Ehrenberg, 1831 accepted as Aliculastrum Pilsbry in Tryon & Pilsbry, 1896 (invalid: junior homonym of Alicula Eichwald, 1830; Aliculastrum is a replacement name) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Haminoeidae (Family)

Alidus
     Alidus Gahan, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alidus Boisduval in d'Urville, 1835 accepted as Alidus Boisduval in d'Urville, 1835 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Aliella
     Aliella M. Qaiser & H.W. Lack, 1986 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Aliella Ali, 1968 accepted as Synhimantus Railliet, Henry & Sisoff, 1912 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Acuariidae (Family)

Aliena
     Aliena Key, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Morabidae (Family)
     Aliena Betekhtina, 1998 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Alienus
     Alienus Bridwell, 1919 accepted as Alienus Bridwell, 1919 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Alienus Handlirsch, 1906 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blattinopsidae (Family)
     Alienus Galileo & Martins, 2010 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alifera
     Alifera Piette in d'Orbigny, 1891 † accepted as Alifera Piette in d'Orbigny, 1891 † (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Alifera Muir-Wood & Cooper, 1960 † accepted as Alitaria Cooper & Muir-Wood, 1967 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Marginiferidae (Family)

Aliger
     Aliger Howell, 1937 † accepted as Aliger Howell, 1937 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Aliger Thiele, 1929 accepted as Lobatus Swainson, 1837 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Strombidae (Family)

Alima
     Alima Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Stomatopoda (Order) > Squillidae (Family)
 Alima Carus & Gerstaecker, 1868-1875 accepted as Alima Carus & Gerstaecker, 1868-1875 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Alimerichthus
     Alimerichthus Guérin-Ménéville in Sagra, 1857 accepted as Alimerichthus Guérin-Ménéville in Sagra, 1857 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Alimerichthus Claus, 1871 accepted as Harpiosquilla Holthuis, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Stomatopoda (Order) > Squillidae (Family)

Alina
     Alina Robineau-Desvoidy, 1863 accepted as Alina Robineau-Desvoidy, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Alina Récluz, 1842 accepted as Alina Récluz, 1842 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Alina Risso, 1826 accepted as Alina Risso, 1826 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)
     Alina Raciborski, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetidae incertae sedis (Order) > Parodiopsidaceae (Family)
     Alina Griveaud, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lymantriidae (Family)
 Alina Adanson, 1763 accepted as Hyperbaena Miers ex Bentham, 1861 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Menispermaceae (Family)

Aline
     Aline Gray, 1855 accepted as Aline Gray, 1855 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Aline Bonaparte, 1854 accepted as Aline Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Alinema
     Alinema Rasheed, 1963 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Philometridae (Family)
 Alinema Jogis, 1968 accepted as Rusguniella Seurat, 1919 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Acuariidae (Family)

Aliniella
 Aliniella J. Raynal, 1973 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
     Aliniella B.V. Skvortzov, 1958 · Protozoa (Kingdom) > Euglenozoa (Phylum) > Peranemea (Class) > Natomonadida (Order) > Astasiidae (Family)

Alinostoma
 Alinostoma Yankovskij, 1980 accepted as Pseudochilodonopsis Foissner, 1979 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Cyrtophorida (Order) > Chilodonellidae (Family)
 Alinostoma Jankowski in Small & Lynn, 1985 accepted as Pseudochilodonopsis Foissner, 1979 (later usage incorrectly cited as new genus in Small & Lynn, 1985) · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Cyrtophorida (Order) > Chilodonellidae (Family)

Alipes
     Alipes Imhoff, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Scolopendrida (Order) > Scolopendridae (Family)
     Alipes Conrad, 1865 accepted as Alipes Conrad, 1865 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aliturus
     Aliturus Fairmaire, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Aliturus Distant, 1908 accepted as Neoaliturus Distant, 1918 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Aliurus
 Aliurus Dunn & Dunn, 1940 accepted as Hemidactylus Oken, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)
 Aliurus accepted as Aliturus Fairmaire, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alkanna
     Alkanna Tausch, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
 Alkanna Adanson, 1763 accepted as Alkanna Adanson, 1763 (nomen rejiciendum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)

Allactina
     Allactina Curran, 1924 accepted as Allactina Curran, 1924 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
 Allactina Hebard, 1929 accepted as Balta Tepper, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blattellidae (Family)

Allantodia
 Allantodia Wallich ex J. Smith, 1841 accepted as Diplaziopsis Christensen, 1906 (junior homonym) · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Diplaziopsidaceae (Family)
 Allantodia R. Brown, 1810 accepted as Diplazium O. Swartz, 1801 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Athyriaceae (Family)

Allantospora
     Allantospora (Watsk.) Ciferri, 1932 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Hypocreales (Order) > Hypocreales incertae sedis (Family)
 Allantospora Wakker, 1895 accepted as Cylindrocarpon H.W. Wollenweber, 1913 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Hypocreales (Order) > Nectriaceae (Family)

Allardia
     Allardia Nicolas, 1898 accepted as Allardia Nicolas, 1898 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Allardia Decaisne in Jacquemont, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Allardiana
     Allardiana Levasseur, 1966 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Allardiana Rigout, 1994 accepted as Bisallardiana Antoine, 2003 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Allardiana Levasseur, 1965 accepted as Allardiana Levasseur, 1966 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Allata
     Allata Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
     Allata Walker, 1863 accepted as Allata Walker, 1863 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Allelogromia
 Allelogromia De Saedeleer, 1934 accepted as Diplogromia Rhumbler, 1904 (Opinion of Loeblich & Tappan, 1987) · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Allogromiida (Order) > Allogromiidae (Family)
 Allelogromia Saedeleer, 1934 accepted as Diplogromia Rhumbler, 1904 · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Allogromiida (Order) > Allogromiidae (Family)

Allenella
 Allenella Aurivillius in Seitz, 1927 accepted as Allenella Aurivillius in Seitz, 1927 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Allenella Genise, 1992 accepted as Allenella Genise, 1992 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tiphiidae (Family)
     Allenella Iredale, 1944 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Punctidae (Family)

Allengreerus
     Allengreerus Hoser, 2009 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)
 Allengreerus Hoser, 2012 accepted as Lampropholis Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Allenia
 Allenia Ewart, 1909 accepted as Micrantheum Desfontaines, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Picrodendraceae (Family)
 Allenia Cory, 1891 accepted as Margarops Sclater, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sturnidae (Family)
 Allenia Phillips, 1944 accepted as Radyera Bullock, 1957 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Allerya
     Allerya Bourguignat, 1878 accepted as Allerya Bourguignat, 1878 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Endodontidae (Family)
 Allerya Mörch, 1877 accepted as Williamia Monterosato, 1884 (Invalid: suppressed by ICZN Opinion 1410) · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Basommatophora incertae sedis (Order) > Siphonariidae (Family)

Allescheria
 Allescheria P.A. Saccardo & P. Sydow, 1899 accepted as Monascus Van Tieghem, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Eurotiomycetidae incertae sedis (Order) > Monascaceae (Family)
     Allescheria R. Hartig, 1899 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Rhytismatales (Order) > Rhytismatales incertae sedis (Family)

Allia
 Allia Strel'tzov, 1973 accepted as Aricidea Webster, 1879 (superseded alternate representation of replaced homonym) · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Cirratulida (Order) > Paraonidae (Family)
     Allia Walker, 1867 accepted as Allia Walker, 1867 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Allia Schouteden, 1907 accepted as Allia Schouteden, 1907 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Alliaria
     Alliaria Heister ex Fabricius, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Alliaria O. Kuntze, 1891 accepted as Dysoxylum Blume, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)

Alligator
     Alligator Cuvier, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Alligatoridae (Family)
     Alligator Rafinesque, 1815 accepted as Alligator Cuvier, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Alligatoridae (Family)

Allionia
     Allionia Michelotti, 1861 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Comatulida (Order) > Comatulida (awaiting allocation) (Family)
     Allionia Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)
 Allionia Loefling, 1758 accepted as Allionia Loefling, 1758 (nomen rejiciendum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)

Allioniella
 Allioniella V.F. Brotherus, 1911 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Sematophyllaceae (Family)
 Allioniella Rydberg, 1902 accepted as Mirabilis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)

Alliphis
     Alliphis Vitzthum in Kükenthal, 1931 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Eviphididae (Family)
     Alliphis Halbert, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Eviphididae (Family)

Allobacciger
     Allobacciger Hafeezullah & Siddiqi, 1970 accepted as Allobacciger Hafeezullah & Siddiqi, 1970 (unassessed) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Fellodistomidae (Family)
 Allobacciger Machida & Uchida, 2001 accepted as Monorcheides Odhner, 1905 (synonym) · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Monorchiidae (Family)

Allobia
 Allobia Rafinesque, 1838 accepted as Euphorbia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Allobia Livschitz & Mitrofanov, 1969 accepted as Bryobia Koch in Panzer, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tetranychidae (Family)

Allocera
     Allocera Sichel, 1866 accepted as Allocera Sichel, 1866 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Allocera Borduchmann, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Allocera Hoogstraal, 1959 accepted as Haemaphysalis Koch, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Ixodida (Order) > Ixodidae (Family)

Alloceraea
 Alloceraea Benick, 1934 accepted as Plataraea Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Alloceraea Schulze, 1918 accepted as Haemaphysalis Koch, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Ixodida (Order) > Ixodidae (Family)

Allocerus
 Allocerus Gemminger in Gemminger & Harold, 1872 accepted as Alocerus Mulsant, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Allocerus Audinet-Serville, 1832 accepted as Tropidosoma Perty, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Allocladus
     Allocladus J.A. Townrow, 1967 † accepted as Allocladus J.A. Townrow, 1967 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinopsida (awaiting allocation) (Order) > Pinopsida (awaiting allocation) (Family)
 Allocladus Sukh-Dev & Zeba-Bano, 1979 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinopsida (awaiting allocation) (Order) > Pinopsida (awaiting allocation) (Family)

Allocosmia
     Allocosmia Cossmann, 1897 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Allocosmia Sugi in Inoue & Kawabe, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Allocota
     Allocota Meyrick, 1904 accepted as Allocota Meyrick, 1904 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Allocota Motschoulsky, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Allocota Förster, 1868 accepted as Allocota Förster, 1868 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Allocota Bernhauer, 1916 accepted as Gyrophaena Mannerheim, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Allocotus
     Allocotus Mayr, 1864 accepted as Allocotus Mayr, 1864 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Allocotus Fischer de Waldheim, 1838 † accepted as Allocotus Fischer de Waldheim, 1838 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Allocotus Puton, 1874 accepted as Melanotrichus Reuter, 1875 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
 Allocotus Loew, 1872 accepted as Paracosmus Osten-Sacken, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)

Allodactylus
     Allodactylus Lataste & Rochebrune, 1876 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)
 Allodactylus Weise, 1883 accepted as Zacladus Reitter, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Allodapa
 Allodapa Schulz, 1906 accepted as Allodapa Schulz, 1906 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Apidae (Family)
     Allodapa Diesing, 1861 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Subuluridae (Family)
 Allodapa Brunner von Wattenwyl, 1878 accepted as Pelerinus Bolivar, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Allodape
     Allodape Lepeletier & Serville, 1825 accepted as Allodape Lepeletier & Serville, 1825 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Apidae (Family)
 Allodape Endlicher, 1839 accepted as Allodape Endlicher, 1839 (nomen rejiciendum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)

Allodapus
 Allodapus Kleine, 1922 accepted as Allodapinus Hedicke, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Allodapus Fieber, 1860 accepted as Hallodapus Fieber, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Allodiplogaster
     Allodiplogaster Paramonov, 1952 accepted as Allodiplogaster Paramonov, 1952 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Diplogasterida (Order) > Diplogasteridae (Family)
 Allodiplogaster Paramonov & Sobolev in Skrjabin, Shikhobalova, Sobolev, Paramonov & Sudarikov, 1954 accepted as Koerneria Meyl, 1960 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Diplogasterida (Order) > Diplogasteridae (Family)

Allodiplosis
     Allodiplosis Rübsaamen, 1910 accepted as Allodiplosis Rübsaamen, 1910 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)
     Allodiplosis Kieffer & Jørgensen, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)

Alloea
     Alloea Haliday, 1833 accepted as Alloea Haliday, 1833 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Alloea Turner, 1948 accepted as Alloea Turner, 1948 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Alloeomyia
     Alloeomyia Hardy, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Alloeomyia Reinert, Harbach & Kitching, 2008 accepted as Collessius Reinert, Harbach & Kitching, 2006 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Alloeoneura
     Alloeoneura Loew, 1879 accepted as Alloeoneura Loew, 1879 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Psyllidae (Family)
 Alloeoneura Warren, 1895 accepted as Distoneura Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Allogabus
 Allogabus Guignot, 1952 accepted as Platambus Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)
 Allogabus Guignot, 1951 accepted as Platambus Thomson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Allogalathea
     Allogalathea Baba, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)
 Allogalathea Miyake & Sakai, 1967 accepted as Allogalathea Baba, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Galatheidae (Family)

Allogaster
     Allogaster Thomson, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Allogaster Selys, 1878 accepted as Neallogaster Cowley, 1934 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Cordulegastridae (Family)

Allogenes
     Allogenes Gude, 1911 accepted as Allogenes Gude, 1911 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Allogenes Andrewes, 1931 accepted as Allophanes Andrewes, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Alloionema
     Alloionema Hartlaub, 1907 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Trachylina (Order) > Halicreatidae (Family)
     Alloionema Schneider, 1859 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Alloionematidae (Family)

Allolagus
 Allolagus Ognev, 1929 accepted as Lepus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Leporidae (Family)
 Allolagus Dice, 1929 † accepted as Alilepus Dice, 1931 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Leporidae (Family)

Allolepis
     Allolepis Heintz, 1932 † accepted as Allolepis Heintz, 1932 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Allolepis Soderstrom & Decker, 1965 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Allolepis Jordan & Hubbs, 1925 accepted as Bothrocara Bean, 1890 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Zoarcidae (Family)

Allolobophora
     Allolobophora Eisen, 1873 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Lumbricidae (Family)
     Allolobophora Perel, 1976 † accepted as Allolobophora Perel, 1976 † (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Lumbricidae (Family)
     Allolobophora Omodeo, 1956 accepted as Allolobophora Omodeo, 1956 (unassessed) · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)

Allomicrus
     Allomicrus Gahan, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Allomicrus Franz, 1975 accepted as Scydmaenus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Allomicrus Franz, 1971 accepted as Scydmaenus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Allomorpha
     Allomorpha Cameron, 1876 accepted as Allomorpha Cameron, 1876 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Allomorpha Jacoby, 1892 accepted as Hespera Weise, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Allomyia
     Allomyia Ren, 1998 † accepted as Allomyia Ren, 1998 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tabanidae (Family)
     Allomyia Banks, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Apataniidae (Family)
 Allomyia Fedotova, 1991 accepted as Alliomyia Gagne, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)
 Allomyia Malloch, 1919 accepted as Allomyella Malloch, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Scathophagidae (Family)
 Allomyia Felt, 1918 accepted as Oligotrophus Latreille, 1804 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)

Allonapochus
 Allonapochus Franz, 1986 accepted as Euconnus Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Allonapochus Franz, 1972 accepted as Euconnus Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Allonema
     Allonema Ulrich & Bassler, 1904 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Ctenostomatida (Order) > Vinellidae (Family)
     Allonema H. Sydow, 1934 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Alloneura
     Alloneura Rondani, 1856 accepted as Alloneura Rondani, 1856 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Alloneura Martins-Neto & Vulcano, 1989 accepted as Alloneura Martins-Neto & Vulcano, 1989 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
 Alloneura Selys, 1860 accepted as Caconeura Kirby, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Protoneuridae (Family)

Allonychus
     Allonychus Pritchard & Baker, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tetranychidae (Family)
 Allonychus Zaitzev, 1905 accepted as Agabus Leach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Allonyx
     Allonyx Jacquelin du Val, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cleridae (Family)
 Allonyx Leconte, 1861 accepted as Enallonyx Wolcott, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melyridae (Family)

Allopentarthrum
     Allopentarthrum Kuschel in Wibmer & O'Brien, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Allopentarthrum Voss, 1936 accepted as Allopentarthrum Kuschel in Wibmer & O'Brien, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Allopertes
     Allopertes Jacob, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Allopertes Hustache, 1938 accepted as Allopertes Jacob, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Allophallus
     Allophallus Dziedzicki, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Mycetophilidae (Family)
 Allophallus Hubbs, 1936 accepted as Carlhubbsia Whitley, 1951 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Poeciliidae (Family)

Allopharynx
     Allopharynx Strom, 1928 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Plagiorchiidae (Family)
 Allopharynx Steinböck, 1932 accepted as Alloeopharynx Steinböck, 1932 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Prolecithophora (Order) > Plagiostomidae (Family)

Allophryxus
     Allophryxus Koehler, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Dajidae (Family)
 Allophryxus Bruce, 1974 accepted as Hemiphryxus Bruce, 1978 (homonym of Allophryxus Koehler, 1911) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Bopyridae (Family)

Allophyla
     Allophyla Loew, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Heleomyzidae (Family)
 Allophyla Turner, 1947 accepted as Euturneria Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Allophyla Weise, 1889 accepted as Sangariola Jacobson, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Allophylax
     Allophylax Banks, 1907 accepted as Allophylax Banks, 1907 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Trichoptera (awaiting allocation) (Family)
     Allophylax Bedel, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Allophyllum
     Allophyllum Schouppé, 1957 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)
     Allophyllum (Nuttall) A. Grant & V. Grant, 1955 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Polemoniaceae (Family)

Allophyllus
     Allophyllus Fauvel, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Allophyllus Gleditsch, 1764 accepted as Allophylus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Allophylus
     Allophylus Brunner in Brunner & Redtenbacher, 1907 accepted as Allophylus Brunner in Brunner & Redtenbacher, 1907 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Diapheromeridae (Family)
     Allophylus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Allophyton
     Allophyton Thomson, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Allophyton T.S. Brandegee, 1914 accepted as Allophyton T.S. Brandegee, 1914 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)

Alloplectus
     Alloplectus C.F.P. Martius, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
     Alloplectus Broun, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Allopliosilpha
     Allopliosilpha Gersdorf, 1970 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera incertae sedis (Family)
     Allopliosilpha Gersdorf, 1971 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Silphidae (Family)

Allopogon
     Allopogon Schiner, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
 Allopogon Horn, 1880 accepted as Allopogonia Cockerell, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Artematopodidae (Family)

Allopora
     Allopora Dana in Wilkes, 1848 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Stylasteridae (Family)
 Allopora Ehrenberg, 1834 accepted as Stylaster Gray, 1831 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Stylasteridae (Family)

Alloproctus
     Alloproctus Bergroth, 1924 accepted as Alloproctus Bergroth, 1924 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Alloproctus Silvestri, 1948 accepted as Alloproctus Silvestri, 1948 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polyxenida (Order) > Lophoproctidae (Family)

Alloptellus
     Alloptellus Dubinin, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Alloptidae (Family)
     Alloptellus Dubinin, 1953 accepted as Alloptellus Dubinin, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Alloptidae (Family)

Allopterus
     Allopterus Broun, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melandryidae (Family)
     Allopterus Zhang, 1991 † accepted as Allopterus Zhang, 1991 † (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Allopteridae (Family)

Alloschema
     Alloschema Beier, 1954 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
     Alloschema Jordan, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)

Allosphaerium
     Allosphaerium Kidder & Summers, 1935 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Cyrtophorida (Order) > Hartmannulidae (Family)
 Allosphaerium Link, 1826 accepted as Rhizoctonia A.P. de Candolle, 1816 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Cantharellales (Order) > Ceratobasidiaceae (Family)

Allostoma
     Allostoma van Beneden, 1861 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Prolecithophora (Order) > Cylindrostomidae (Family)
     Allostoma Westblad, 1955 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Prolecithophora (Order) > Cylindrostomidae (Family)

Allotheca
     Allotheca Cameron, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Allotheca Ehrenberg, 1843 accepted as Allotheca Ehrenberg, 1843 (unassessed) · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Allotria
     Allotria Hübner, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Allotria Westwood, 1833 accepted as Allotria Westwood, 1833 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Allotria Rafinesque, 1837 accepted as Allotria Rafinesque, 1837 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Commelinaceae (Family)

Allotrius
     Allotrius Temminck in Temminck & Laugier, 1835 accepted as Allotrius Temminck in Temminck & Laugier, 1835 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Timaliidae (Family)
 Allotrius Laporte in Brullé, 1840 accepted as Senodonia Laporte, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Allotropa
     Allotropa J. Torrey & A. Gray, 1858 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
     Allotropa Förster, 1856 accepted as Allotropa Förster, 1856 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Allotrypes
     Allotrypes Bezzi, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
     Allotrypes François, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)

Alloxylon
     Alloxylon P.H. Weston & M.D. Crisp, 1991 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Alloxylon Zalessky, 1927 † accepted as Alloxylon Zalessky, 1927 † (Not validly published) · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinopsida (awaiting allocation) (Order) > Pinopsida (awaiting allocation) (Family)

Allozercon
     Allozercon Blaszak, 1984 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Zerconidae (Family)
     Allozercon Vitzthum, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Heterozerconidae (Family)

Allozetes
     Allozetes Berlese, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Mycobatidae (Family)
 Allozetes Higgins, 1965 accepted as Kalyptrazetes Balogh, 1972 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Microzetidae (Family)
 Allozetes Feider, Vasiliu & Calugar, 1971 accepted as Minunthozetes Hull, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Mycobatidae (Family)

Allportia
     Allportia Tenison-Woods, 1877 accepted as Allportia Tenison-Woods, 1877 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Allportia Schouteden, 1906 accepted as Poecilotoma Dallas, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Alluaudella
 Alluaudella Gravier, 1905 accepted as Odontosyllis Claparède, 1863 (subjective synonym) · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Syllidae (Family)
 Alluaudella Shelford, 1910 accepted as Alluaudellina Chopard, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Nocticolidae (Family)

Alluaudia
     Alluaudia Lameere, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alluaudia Bolivar, 1893 accepted as Alluaudia Bolivar, 1893 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Alluaudia (Drake del Castillo) Drake del Castillo, 1903 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Didiereaceae (Family)

Alluaudiella
     Alluaudiella Poppius, 1914 accepted as Alluaudiella Poppius, 1914 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Alluaudiella Bolivar, 1894 accepted as Alluaudiella Bolivar, 1894 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Allucita
 Allucita Billberg, 1820 accepted as Allucita Billberg, 1820 (Misspelling) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Allucita Hill, 1773 accepted as Allucita Hill, 1773 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Thysanoptera (Order) > Thysanoptera (awaiting allocation) (Family)

Allurus
     Allurus Förster, 1862 accepted as Allurus Förster, 1862 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Allurus Jordan & Evermann, 1896 accepted as Careproctus Krøyer, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Liparidae (Family)
 Allurus Eisen, 1873 accepted as Eiseniella Michaelsen, 1900 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Lumbricidae (Family)

Almana
 Almana Rafinesque, 1838 accepted as Sinningia C.G.D. Nees, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
     Almana Stål, 1861 accepted as Almana Stål, 1861 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Almeria
     Almeria Agenjo, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Almeria Paetel, 1875 accepted as Amerianna Strand, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Planorbidae (Family)

Alnicola
     Alnicola (Kühner) R. Heim, 1931 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)
 Alnicola Kühner, 1926 accepted as Naucoria (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)

Alnites
 Alnites W. Hisinger, 1837 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliopsida (awaiting allocation) (Order) > Magnoliopsida (awaiting allocation) (Family)
 Alnites H. Deane, 1902 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Betulaceae (Family)
     Alnites H.R. Göppert, 1837 † accepted as Alnites H.R. Göppert, 1837 † (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Betulaceae (Family)

Alnoxylon
 Alnoxylon E. Hofmann, 1944 † accepted as Alnoxylon E. Hofmann, 1944 † (Not validly published) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Betulaceae (Family)
     Alnoxylon Felix, 1884 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Betulaceae (Family)

Alobus
 Alobus Peters, 1867 accepted as Pipistrellus Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Vespertilionidae (Family)
 Alobus Leconte, 1856 accepted as Diplotaxis Kirby in Richardson, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Alocasia
     Alocasia (H.W. Schott) G. Don in R. Sweet, 1839 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
 Alocasia Necker ex Rafinesque, 1837 accepted as Arisaema C.F.P. von Martius, 1831 (nomen rejiciendum) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Alocodon
 Alocodon Rose, Bown & Simons, 1977 † accepted as Alocodontulum Rose, Bown & Simons, 1978 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cimolesta (Order) > Epoicotheriidae (Family)
     Alocodon Thulborn, 1973 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Ornithischia (Order) > Fabrosauridae (Family)

Alocorhinus
     Alocorhinus Sahlberg, 1823 accepted as Alocorhinus Sahlberg, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Alocorhinus Jekel, 1854 accepted as Alocorhinus Jekel, 1854 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Aloea
     Aloea Linnavuori, 1975 accepted as Aloea Linnavuori, 1975 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Aloea Sacco, 1886 accepted as Aloea Sacco, 1886 (Misspelling) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Aloides
     Aloides Fabricius, 1759 accepted as Aloides Fabricius, 1759 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Hydrocharitaceae (Family)
 Aloides Adams, 1856 accepted as Corbula Bruguière, 1797 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Corbulidae (Family)
 Aloides Agassiz, 1846 accepted as Aloeides Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)

Aloinella
     Aloinella J. Cardot, 1909 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
 Aloinella (A. Berger) A. Lemée, 1939 accepted as Aloe Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asphodelaceae (Family)

Aloma
     Aloma Linnavuori, 1993 accepted as Aloma Linnavuori, 1993 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cydnidae (Family)
 Aloma Hörnes & Auinger, 1891 † accepted as Atoma Bellardi, 1875 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Neogastropoda (awaiting allocation) (Family)
 Aloma Andrewes, 1931 accepted as Nesites Andrewes, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Alona
     Alona Baird, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Chydoridae (Family)
 Alona J. Lindley, 1844 accepted as Nolana Linnaeus f., 1762 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)

Alope
     Alope White, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Hippolytidae (Family)
     Alope Walker, 1855 accepted as Alope Walker, 1855 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Alope White, 1847 accepted as Alope White, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Hippolytidae (Family)

Alopecias
     Alopecias C. Steven, 1856 accepted as Alopecias C. Steven, 1856 (unassessed) · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Alopecias Müller & Henle, 1837 accepted as Alopias Rafinesque, 1810 (synonym) · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Lamniformes (Order) > Alopiidae (Family)

Alopecodon
     Alopecodon Viret, 1933 † accepted as Alopecodon Viret, 1933 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Procyonidae (Family)
     Alopecodon Broom, 1908 † accepted as Alopecodon Broom, 1908 † (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Alopecurus
     Alopecurus Steedman, 1833 accepted as Alopecurus Steedman, 1833 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Alopecurus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Alophia
     Alophia Herbert, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)
     Alophia Ragonot in Romanoff, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
 Alophia Fairmaire, 1896 accepted as Diadelia Waterhouse, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alophus
     Alophus Malherbe, 1860 accepted as Alophus Malherbe, 1860 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Alophus Dugès, 1885 accepted as Alophus Dugès, 1885 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Alophus Ashmead, 1904 accepted as Alophus Ashmead, 1904 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Alophus Schönherr, 1826 accepted as Graptus Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Alophyllus
 Alophyllus accepted as Allophylus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
 Alophyllus Heller, 1916 accepted as Allophyllus Fauvel, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Alosimus
     Alosimus Mulsant, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Meloidae (Family)
     Alosimus · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Aloysia
     Aloysia Issel, 1907 accepted as Aloysia Issel, 1907 (unassessed) · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Aloysia A. Paláu y Verdéra, 1784 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)

Alpertia
     Alpertia Orlowski & Radwanski, 1986 † accepted as Alpertia Orlowski & Radwanski, 1986 † (unassessed) · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniaria (awaiting allocation) (Family)
     Alpertia Loomis, 1972 accepted as Alpertia Loomis, 1972 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Polydesmidae (Family)

Alpha
     Alpha Dalla Torre, 1904 accepted as Alpha Dalla Torre, 1904 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Alpha de Saussure, 1854 accepted as Alpha de Saussure, 1854 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Alpha Brunner, 1893 accepted as Cordillacris Rehn, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Alpharaia
     Alpharaia Jordan, 1925 accepted as Alpharaia Jordan, 1925 (unassessed) · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Alpharaia Leigh-Sharpe, 1924 accepted as Raja Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rajidae (Family)

Alpheus
     Alpheus Fabricius, 1798 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Alpheidae (Family)
 Alpheus Weber, 1795 accepted as Alpheus Weber, 1795 (Suppressed name (ICZN)) · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Alpheidae (Family)

Alphitobius
     Alphitobius Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Alphitobius Carter accepted as Ulomoides Blackburn, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Alphitobius Lea, 1915 accepted as Alphitopis Pascoe, 1870 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Alphitopola
     Alphitopola Thomson, 1857 accepted as Alphitopola Thomson, 1857 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alphitopola Dejean, 1835 accepted as Alphitopola Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alphus
     Alphus Wallengren, 1869 accepted as Alphus Wallengren, 1869 (unassessed) · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Alphus White, 1855 accepted as Alphus White, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Alphus Thomson, 1860 accepted as Alphus White, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Alphus Dejean, 1833 accepted as Alphus White, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Alpinia