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Homonyms

IRMNG homonym list - genus level - Initial letter = "B" (1432)

Please note, this is a provisional homonyms list from IRMNG on 2020-10-01, 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.

Babaina
 Babaina Odhner in Franc, 1968 accepted as Thorunna Bergh, 1878 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Chromodorididae (Family)
 Babaina Roller, 1972 accepted as Babakina Roller, 1973 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Flabellinidae (Family)

Babesia
     Babesia Starcovivi, 1893 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Piroplasmida (Order) > Babesiidae (Family)
 Babesia accepted as Aegyptianella Carpano, 1929 (Approved Lists, 1980) · Bacteria (Kingdom) > Proteobacteria (Phylum) > Alphaproteobacteria (Class) > Rickettsiales (Order) > Anaplasmataceae (Family)

Babia
     Babia Dejean, 1835 accepted as Babia Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Babia Lacordaire, 1848 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Babia Chevrolat, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Babina
     Babina Thompson, 1912 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Ranidae (Family)
     Babina Boucek, 1993 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
 Babina † accepted as Babinia Racheboeuf & Branisa, 1985 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Strophochonetidae (Family)

Babirussa
 Babirussa Rafinesque, 1815 accepted as Babyrousa Perry, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Suidae (Family)
 Babirussa Frisch, 1775 accepted as Babyrousa Perry, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Suidae (Family)

Baburia
     Baburia Koçak, 1981 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
     Baburia Hedqvist, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Mymaridae (Family)

Babyrussa
 Babyrussa Burnett, 1830 accepted as Babyrousa Perry, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Suidae (Family)
 Babyrussa Brookes, 1828 accepted as Babyrousa Perry, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Suidae (Family)

Bacalia
     Bacalia Gray, 1840 accepted as Bacalia Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Littorinidae (Family)
 Bacalia H. Adams & A. Adams, 1854 accepted as Littorina Férussac, 1822 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Littorinidae (Family)

Baccigeroides
     Baccigeroides Dutta in Ghosh, 1995 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Faustulidae (Family)
 Baccigeroides Manna & Dutta, 1996 accepted as Baccigeroides Dutta in Ghosh, 1995 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Faustulidae (Family)

Bacha
     Bacha Jameson, 1840 accepted as Bacha Jameson, 1840 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Bacha Schiner, 1861 accepted as Baccha Fabricius, 1805 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)

Bachia
     Bachia Förster, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Bachia Gray, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gymnophthalmidae (Family)

Bachiana
     Bachiana Strand, 1928 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Bachiana Girault, 1940 accepted as Arzonella Pagliano & Scaramozzino, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Bachmannia
     Bachmannia Dolgopol de Saez, 1941 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Siluriformes (awaiting allocation) (Family)
     Bachmannia Pax in Pax & Gilg, 1897 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Capparaceae (Family)
 Bachmannia Nani in Szidat & Nani, 1951 accepted as Odontesthes Evermann & Kendall, 1906 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Atheriniformes (Order) > Atherinopsidae (Family)
 Bachmannia Zschacke, 1934 accepted as Verrucaria H.A. Schrader, 1794 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariaceae (Family)

Bacillaria
     Bacillaria J.F. Gmelin, 1791 · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Bacillariales (Order) > Bacillariaceae (Family)
     Bacillaria Oken, 1815 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Bacillaria Montagne, 1840 accepted as Camillea E.M. Fries, 1849 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Xylariaceae (Family)

Bacillidium
     Bacillidium Uvarov, 1939 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Bacillidium Janda, 1928 · Protozoa (Kingdom) > Microsporidia (Phylum) > Minisporea (Class) > Microsporida (Order) > Mrazekiidae (Family)

Bacillopsis
     Bacillopsis Petschenko, 1908 · Fungi (Kingdom) > Ascomycota (Phylum) > Saccharomycetes (Class) > Saccharomycetales (Order) > Saccharomycetales incertae sedis (Family)
     Bacillopsis Normand, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Bacillus
     Bacillus Cohn, 1872 (Approved Lists, 1980) · Bacteria (Kingdom) > Firmicutes (Phylum) > Bacilli (Class) > Bacillales (Order) > Bacillaceae (Family)
     Bacillus Berthold in Latreille, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Bacillidae (Family)

Bacis
     Bacis Hope, 1841 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)
     Bacis Dejean, 1835 accepted as Bacis Hope, 1841 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)

Baclea
     Baclea E.P.N. Fournier in Baillon, 1877 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Baclea E.L. Greene, 1893 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)

Baconia
     Baconia Lewis, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)
 Baconia A.P. de Candolle, 1807 accepted as Pavetta Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Bacteria
 Bacteria Agassiz, 1846 accepted as Bacteria Agassiz, 1846 · Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)
     Bacteria Berthold in Latreille, 1827 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Phasmatidae (Family)
     Bacteria Cohn, 1870 sensu Woese et al., 1990 · Bacteria (Kingdom) > (Phylum) > (Class) > (Order) > (Family)

Bacteridium
     Bacteridium Thiele, 1929 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)
 Bacteridium Schröter, 1872 accepted as Micrococcus Cohn, 1872 (Approved Lists, 1980) · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Micrococcales (Order) > Micrococcaceae (Family)

Bacterium
 Bacterium accepted as Halobacterium Elazari-Volcani, 1957 (Approved Lists, 1980) · Archaea (Kingdom) > Euryarchaeota (Phylum) > Halobacteria (Class) > Halobacteriales (Order) > Halobacteriaceae (Family)
     Bacterium Ehrenberg, 1831 accepted as Bacterium Ehrenberg, 1831 (nomen nudum)· Bacteria (Kingdom) > Bacteria incertae sedis (Phylum) > (Class) > (Order) > (Family)

Bactria
     Bactria Meigen, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
     Bactria O.V. Yurtseva & E.V. Mavrodiev, 2016 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Polygonaceae (Family)

Bactridiopsis
 Bactridiopsis Hennings, 1904 accepted as Coccospora Wallroth, 1833 · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > Fungi (awaiting allocation) (Class) > Fungi (awaiting allocation) (Order) > Fungi (awaiting allocation) (Family)
 Bactridiopsis Gonz. Fragoso & Ciferri, 1927 accepted as Phillipsiella M.C. Cooke, 1878 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetidae incertae sedis (Order) > Phillipsiellaceae (Family)

Bactridium
     Bactridium Leconte, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Monotomidae (Family)
     Bactridium Kunze, 1817 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Bactridium Reuss, 1848 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Lepraliomorpha (Order) > Escharinidae (Family)
     Bactridium de Saussure, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Bactrites
     Bactrites Sandberger, 1842 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Anarcestida (Order) > Bactritidae (Family)
     Bactrites E.W. Berry, 1924 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Bactrocera
     Bactrocera Macquart, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Bactrocera Guérin-Méneville, 1838 accepted as Bactrocera Macquart, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Bactrophora
     Bactrophora Westwood, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Romaleidae (Family)
 Bactrophora J.Agardh, 1882 accepted as Cladosiphon Kützing, 1843 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Chordariales (Order) > Chordariaceae (Family)

Bactropus
     Bactropus Barrande in Bigsby, 1868 † accepted as Bactropus Barrande in Bigsby, 1868 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Bactropus Barrande, 1872 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Bactropus Cook & Collins, 1896 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Chordeumatida (Order) > Cleidogonidae (Family)
 Bactropus Gravier, 1912 accepted as Serpulidicoloides Boxshall & Halsey, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Serpulidicolidae (Family)

Bactryischion
 Bactryischion Ashmead, 1904 accepted as Podagrion Spinola, 1811 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Torymidae (Family)
 Bactryischion Dalla Torre, 1898 accepted as Podagrion Spinola, 1811 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Torymidae (Family)

Bacularia
     Bacularia A. Borzì, 1905 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Synechococcaceae (Family)
 Bacularia F. von Mueller, 1878 accepted as Linospadix H. Wendland in H. Wendland & Drude, 1875 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Baculella
     Baculella Tendal & Hessler, 1977 · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Baculellidae (Family)
 Baculella Conil & Dreesen in Dreesen et al., 1985 † accepted as Saccamminopsis Sollas, 1921 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Textulariida (Order) > Paratikhinellidae (Family)

Baculites
     Baculites Lamarck, 1799 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Baculitidae (Family)
     Baculites J. Gruss, 1928 · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > (Order) > Bacillariophyceae incertae sedis (Family)

Badamia
     Badamia Moore, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
 Badamia J. Gaertner, 1790 accepted as Terminalia Linnaeus, 1767 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Combretaceae (Family)

Badenia
     Badenia Enay, 1959 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)
 Badenia Finlay, 1930 † accepted as Onoba H. Adams & A. Adams, 1852 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)

Badister
     Badister Schellenberg, 1806 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Badister Clairville, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Badistes
 Badistes Agassiz, 1846 accepted as Badister Clairville, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Badistes Gould, 1862 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Camaenidae (Family)

Baecula
     Baecula Walker, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Baecula Stål, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Baeomorpha
     Baeomorpha Brues in Carpenter, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tetracampidae (Family)
 Baeomorpha Turner, 1940 accepted as Hobapromea Watson in Watson, Fletcher & Nye, 1980 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Baeoneura
     Baeoneura Sinlchenkova in Sharov & Sinichenkova, 1977 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Palaeodictyoptera (Order) > Palaeodictyoptera (awaiting allocation) (Family)
 Baeoneura Förster, 1856 accepted as Macroteleia Westwood, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Scelionidae (Family)

Baeorix
 Baeorix Roewer, 1923 accepted as Baeorix Roewer, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Baeorix Thorell, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Assamiidae (Family)

Baeoscelis
     Baeoscelis Heine, 1860 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Baeoscelis Spinola, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Phengodidae (Family)

Baeosomus
     Baeosomus Broun, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Baeosomus Thomson, 1891 accepted as Baeosemus Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Baeria
 Baeria Miklucho-Maclay, 1870 accepted as Leuconia Grant, 1833 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Baerida (Order) > Baeriidae (Family)
 Baeria F.E.L. Fischer & C.A. Meyer, 1836 accepted as Lasthenia Cassini, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Baeria Moghe, 1933 accepted as Mogheia López-Neyra, 1944 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Paruterinidae (Family)

Baeriella
     Baeriella Simon, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Baeriella Fuhrmann, 1932 accepted as Progamotaenia Nybelin, 1918 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Anoplocephalidae (Family)

Bafutia
     Bafutia C.D. Adams, 1962 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bafutia Dajoz, 1978 accepted as Philothermus Aubé, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerylonidae (Family)

Baga
     Baga Sukacheva, 1992 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Trichoptera (awaiting allocation) (Family)
     Baga Navás, 1930 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)

Bagrasia
     Bagrasia Sarycheva, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Strophomenida (awaiting allocation) (Family)
     Bagrasia Nalivkin, 1960 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Gigantoproductidae (Family)

Bagre
     Bagre Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)
 Bagre Catesby, 1771 accepted as · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ictaluridae (Family)
 Bagre Cuvier, 1816 accepted as Bagre Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)
 Bagre Oken, 1817 accepted as Bagre Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)

Bagrus
     Bagrus Rafinesque, 1815 accepted as Bagrus Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Bagrus Müller & Troschel, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Bagridae (Family)
     Bagrus Bosc, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Bagridae (Family)
 Bagrus Fleming, 1822 accepted as Bagre Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)

Bahamia
     Bahamia Sabrosky, 1957 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asteiidae (Family)
 Bahamia N.L. Britton & J.N. Rose, 1928 accepted as Acacia P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Baicalia
     Baicalia Martens, 1876 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Amnicolidae (Family)
     Baicalia I.N. Krylov, 1962 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Acrescentida (Order) > Tungussidae (Family)

Baikalia
     Baikalia Surcouf, 1921 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tabanidae (Family)
     Baikalia Crosse & Fischer, 1879 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Baikalia Dall, 1877 † accepted as Baicalia Martens, 1876 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Amnicolidae (Family)

Baileya
     Baileya W.H. Harvey & A. Gray ex J. Torrey in W.H. Emory, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Baileya Kützing, 1857 accepted as · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Lemaneaceae (Family)
     Baileya Grote, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nolidae (Family)
 Baileya Averintsev in Schouteden, 1906 accepted as Maroltia Haman, 1988 · Chromista (Kingdom) > Cercozoa (Phylum) > Thecofilosea (Class) > Tectofilosida (Order) > Pseudodifflugiidae (Family)

Bainbridgia
     Bainbridgia Ball, 1933 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Tabulata (Order) > Tabulata (awaiting allocation) (Family)
     Bainbridgia Ball & Grove, 1940 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Bainopus
     Bainopus Hodgson, 1844 accepted as Bainopus Hodgson, 1844 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Bainopus Gray in J.L.G. Gray, 1846 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Bairdiacratia
     Bairdiacratia Crasquin in Crasquin, S. et al., 2008 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Bairdiidae (Family)
     Bairdiacratia Jiang, 1983 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Bairdiidae (Family)

Bairdiella
     Bairdiella Gill, 1861 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sciaenidae (Family)
     Bairdiella Egorova, 1960 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Bajulus
 Bajulus Gistl, 1848 accepted as Bajulus Gistl, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Bajulus Lendenfeld, 1889 accepted as Bajalus Lendenfeld, 1885 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Verongida (Order) > Ianthellidae (Family)

Bakerella
     Bakerella Crawford, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Delphacidae (Family)
     Bakerella Wagner, 1930 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Siphonaptera (Order) > Siphonaptera (awaiting allocation) (Family)
     Bakerella Van Tieghem, 1895 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Loranthaceae (Family)
 Bakerella Bolivar, 1914 accepted as Luzoniella Karny, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Bakerella Womersley, 1928 accepted as Apteryskenoma Paclt, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Lepismatidae (Family)

Bakeria
     Bakeria Moravec & Sey, 1986 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Molineidae (Family)
     Bakeria (M. Gandoger) M. Gandoger, 1886 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
     Bakeria Tutt, 1907 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Bakeria Kieffer, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Bakeria E.F. André, 1889 accepted as Hechtia Klotzsch, 1835 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)
 Bakeria B.C. Seemann, 1864 accepted as Schefflera J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)

Bakeriella
     Bakeriella Chakrabarti & Mondal, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Eriophyidae (Family)
     Bakeriella Poppius, 1915 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
     Bakeriella Kieffer, 1910 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Bakeriella Pierre ex Dubard, 1911 accepted as Synsepalum (Alph. de Candolle) W.F. Daniell, 1852 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)

Bakerina
     Bakerina Chaudhri, 1971 † · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tetranychidae (Family)
 Bakerina Bory de St Vincent, 1827 accepted as Simulium Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Simuliidae (Family)

Bakeriola
     Bakeriola Bergroth, 1920 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
 Bakeriola Evans, 1939 accepted as Bakeriana Evans, 1954 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Balachowskya
     Balachowskya Peyerimhoff, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Balachowskya Gómez-Menor, 1956 accepted as Gomezmenoricoccus Kozar & Walter, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)

Balanda
     Balanda Dworakowska, 1979 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Balanda Oshanin, 1891 accepted as Balanda Oshanin, 1891 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Balanephagus
     Balanephagus Morris, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Balanephagus Schönherr, 1843 accepted as Petalochilus Schoenherr, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Balanites
     Balanites Delile, 1813-1814 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zygophyllales (Order) > Zygophyllaceae (Family)
 Balanites Schulze, 1886 accepted as Caulophacus Schulze, 1886 · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Lyssacinosida (Order) > Rossellidae (Family)
 Balanites Gesner, 1758 † accepted as · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Balanocephalus
 Balanocephalus Kennel, 1891 accepted as Baseodiscus Diesing, 1850 · Animalia (Kingdom) > Nemertea (Phylum) > Anopla (Class) > Heteronemertea (Order) > Valenciniidae (Family)
 Balanocephalus Harmer, 1899 accepted as Protoglossus van der Horst in Bronn, 1935 · Animalia (Kingdom) > Hemichordata (Phylum) > Enteropneusta (Class) > (Order) > Harrimaniidae (Family)

Balanocochlis
 Balanocochlis Cossmann, 1893 † accepted as Pasitheola Cossmann, 1896 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Balanocochlis P. Fischer, 1885 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Thiaridae (Family)

Balanocrinites
     Balanocrinites Troost in Wood, 1909 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Balanocrinites Troost, 1849 † accepted as Lampterocrinidae (nomen nudum)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Diplobrathrida (Order) > Lampterocrinidae (Family)

Balanocrinus
     Balanocrinus Agassiz in Desor, 1847 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Isocrinida (Order) > Isocrinida (awaiting allocation) (Family)
 Balanocrinus Hall, 1861 † accepted as Lampterocrinus Roemer, 1860 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Diplobrathrida (Order) > Lampterocrinidae (Family)

Balanomorpha
     Balanomorpha Dejean, 1835 accepted as Balanomorpha Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Balanomorpha Chevrolat, 1837 accepted as Mantura Stephens, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Balanophorus
     Balanophorus MacLeay, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melyridae (Family)
 Balanophorus Braun in Bronn, 1894 accepted as Balanophorus Braun in Bronn, 1894 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cestoda (awaiting allocation) (Order) > Cestoda (awaiting allocation) (Family)

Balantidiopsis
     Balantidiopsis Bütschli in Bronn, 1889 (uncertain)· Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Hypotrichida (awaiting allocation) (Family)
 Balantidiopsis Penard, 1922 accepted as Balantidioides Penard in Kahl, 1930 · Chromista (Kingdom) > Ciliophora (Phylum) > Heterotrichea (Class) > Heterotrichida (Order) > Climacostomidae (Family)

Balantium
 Balantium Children, 1823 accepted as Clio Linnaeus, 1767 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Thecosomata (Order) > Cliidae (Family)
 Balantium Desvaux ex W. Hamilton, 1825 accepted as Parinari Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Chrysobalanaceae (Family)
 Balantium Kaulfuss, 1824 accepted as Dicksonia L'Héritier, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Cyatheales (Order) > Dicksoniaceae (Family)

Balanus
     Balanus Costa, 1778 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Sessilia (Order) > Balanidae (Family)
 Balanus Thomson, 1868 accepted as Curculio Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Balbiania
     Balbiania Sirodot, 1876 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Balbianiales (Order) > Balbianiaceae (Family)
     Balbiania Blanchard, 1885 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Balbiania Stiles, 1893 accepted as Sarcocystis Lankester, 1882 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Sarcocystidae (Family)

Balbisia
 Balbisia A.P. de Candolle, 1833 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Balbisia Willdenow, 1803 accepted as Balbisia Willdenow, 1803 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Balbisia Cavanilles, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Geraniales (Order) > Francoaceae (Family)

Balboa
     Balboa Distant, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
 Balboa Liebmann ex Didrichsen, 1853 accepted as Balboa Liebmann ex Didrichsen, 1853 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Balboa J.E. Planchon & Triana, 1860 accepted as Chrysochlamys Poeppig in Poeppig & Endlicher, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Clusiaceae (Family)
 Balboa Hebard, 1927 accepted as Balboana Uvarov, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Balboa Banks, 1925 accepted as Braunilla Wasbauer & Kimsey, 2019 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pompilidae (Family)

Balboana
     Balboana Uvarov, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Balboana Banks, 1944 accepted as Braunilla Wasbauer & Kimsey, 2019 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pompilidae (Family)

Balcanella
     Balcanella Karaman, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Ingolfiellidae (Family)
 Balcanella Karaman, 1968 accepted as Batraxis Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Balcanella Anonymous, 1972 accepted as Batraxis Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Balcanella Tikhomirova, 1989 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)

Balcanobythus
 Balcanobythus Karaman, 1954 accepted as Bryaxis Kugelann, 1794 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Balcanobythus Karaman, 1957 accepted as Bryaxis Kugelann, 1794 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Baldwinia
     Baldwinia Ancey, 1899 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Baldwinia C.S. Rafinesque, 1818 accepted as Passiflora Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Passifloraceae (Family)

Balea
     Balea Gray, 1824 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
 Balea Agassiz, 1846 accepted as Balea Agassiz, 1846 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Balea Nutting, 1906 accepted as Balella Stechow, 1919 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Balellidae (Family)

Balearica
     Balearica Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Gruidae (Family)
 Balearica Kobelt in Rossmaessler, 1904 accepted as Allognathus Pilsbry in Tryon & Pilsbry, 1888 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicidae (Family)

Balearius
     Balearius Rafinesque, 1815 accepted as Balearius Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Balearius Gray, 1849 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

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

Balfouria
 Balfouria Dschunkowsky, 1937 accepted as Balfouria Dschunkowsky, 1937 · Bacteria (Kingdom) > Bacteria (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)
     Balfouria Parent, 1933 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)
     Balfouria Crosse, 1884 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Balfouria Leiper, 1911 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Echinostomida (Order) > Balfouriidae (Family)
     Balfouria R. Brown, 1810 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Balfouria (H. Ohba) H. Ohba, 1995 accepted as Ohbaea V.V. Byalt & I.V. Sokolova, 1999 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)

Balgus
     Balgus Fleutiaux, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Eucnemidae (Family)
 Balgus Blackwelder, 1947 accepted as Anopsilus Kirsch, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Balia
     Balia Doubleday in Scudder, 1869 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Balia Swainson, 1840 accepted as Balea Gray, 1824 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)

Balius
 Balius Guérin-Ménéville in Thomson, 1857 accepted as Trycherus Gerstaecker, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)
 Balius Schiödte, 1863 accepted as Anthracus Motschoulsky, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Balius Gistl, 1848 accepted as Melanostola Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Balkanoniscus
     Balkanoniscus Verhoeff, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Trichoniscidae (Family)
     Balkanoniscus Vandel, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Trichoniscidae (Family)

Balladina
     Balladina Roux, 1899 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Holostichidae (Family)
 Balladina Dahl, 1932 accepted as Balladyna Kowalewsky, 1882 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Urostylidae (Family)

Balladyna
     Balladyna Raciborski, 1900 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetidae incertae sedis (Order) > Parodiopsidaceae (Family)
     Balladyna Kowalewsky, 1882 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Amphisiellidae (Family)

Balladynella
 Balladynella Theissen & H. Sydow, 1918 accepted as Dysrhynchis F.E. Clements, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetidae incertae sedis (Order) > Parodiopsidaceae (Family)
     Balladynella Jankowski, 1979 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Amphisiellidae (Family)
 Balladynella Stiller, 1974 accepted as Balladynella Jankowski, 1979 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Amphisiellidae (Family)

Ballardia
     Ballardia Curran, 1927 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Ballardia Montrouzier, 1860 accepted as Metrosideros Banks ex J. Gaertner, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Ballia
     Ballia Harvey, 1840 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Balliales (Order) > Balliaceae (Family)
     Ballia Mulsant, 1853 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Ballia Hall, 1867 accepted as Bullia Griffith, 1834 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Nassariidae (Family)

Balliella
     Balliella H. Itono & T. Tanaka, 1973 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Ceramiaceae (Family)
     Balliella Badonnel, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Psoquillidae (Family)

Ballophilus
     Ballophilus Cook, 1896 [nomen nudum] accepted as Ballophilus Cook, 1896 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Schendylidae (Family)
     Ballophilus Cook, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Schendylidae (Family)

Baloena
 Baloena Lesson, 1827 accepted as Balaena Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Balaenidae (Family)
 Baloena Robineau, 1989 accepted as Eubalaena Gray, 1864 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Balaenidae (Family)

Baloenoptera
 Baloenoptera Lesson, 1827 accepted as Balaenoptera Lacépède, 1804 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Balaenopteridae (Family)
 Baloenoptera Cadenat, 1957 accepted as Balaenoptera Lacépède, 1804 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Balaenopteridae (Family)

Baloghacarus
     Baloghacarus Balogh & Mahunka, 1981 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Hermanniellidae (Family)
 Baloghacarus Mahunka, 1983 accepted as Baloghacarus Balogh & Mahunka, 1981 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Hermanniellidae (Family)

Baloghia
     Baloghia Mahunka, 1993 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Haplozetidae (Family)
     Baloghia Endlicher, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Baloghiella
     Baloghiella Mandl, 1981 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Baloghiella Bulznova-Zachvatkina, 1966 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Haplozetidae (Family)

Balsa
     Balsa Walker in D'Urban, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Balsa Walker, 1867 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
     Balsa Stål, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cercopidae (Family)

Balsamita
 Balsamita Desfontaines, 1792 accepted as Tanacetum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Balsamita P. Miller, 1754 accepted as Tanacetum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Balta
 Balta Sørensen, 1902 accepted as Eubalta Roewer, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Balta Tepper, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Ectobiidae (Family)

Baltia
     Baltia Moore, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)
     Baltia Dohm, 1925 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Balticola
     Balticola Jensen-Haarup, 1913 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Balticola Droop, 1956 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Haematococcaceae (Family)

Balzania
     Balzania Jacot, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Ceratozetidae (Family)
     Balzania Spegazzini, 1899 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Thyridiaceae (Family)

Bambanagites
     Bambanagites Mojsisovics, 1897 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Bambanagites Mojsisovics, 1896 † accepted as Bambanagites Mojsisovics, 1896 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Bambesa
     Bambesa Arnold, 1936 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Bambesa Dirsh, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Bambusicola
     Bambusicola Gould, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
     Bambusicola Fursch, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)
     Bambusicola D.Q. Dai & K.D. Hyde in Dai, Bhat, Liu, Chukeatirote, Zhao & Hyde, 2012 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Bambusicolaceae (Family)

Bambusites
     Bambusites C.F.P. Martius, 1822 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
 Bambusites Ettingshausen, 1887 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Bamia
 Bamia R. Brown ex N. Wallich, 1830 accepted as Bamia R. Brown ex N. Wallich, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Bamia R. Brown ex J. Sims, 1815 accepted as Bamia R. Brown ex J. Sims, 1815 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Banalia
 Banalia Bubani, 1899-1900 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Banalia Moquin-Tandon in Alph. de Candolle, 1849 accepted as Indobanalia A.N. Henry & B. Roy, 1969 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Banalia Rafinesque, 1840 accepted as Croton Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Bananella
     Bananella Schmidt, 1924 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Dictyopharidae (Family)
 Bananella Labbé, 1895 accepted as Eimeria Schneider, 1875 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Eimeriidae (Family)

Banchopsis
     Banchopsis Rudow, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Banchopsis Kriechbaumer, 1886 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Bancroftia
     Bancroftia Billberg, 1833 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Bancroftia Anonymous, 1838 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
     Bancroftia Lutz in Bourroul, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Bancroftia Macfadyen, 1837 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Tovariaceae (Family)

Bania
     Bania Beccari, 1877 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Menispermaceae (Family)
     Bania Brusina, 1896 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)

Bankesia
     Bankesia Tutt, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Psychidae (Family)
 Bankesia Bruce, 1790 accepted as Bankesia Bruce, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)

Bankia
     Bankia Guenée, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Bankia Gray, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Teredinidae (Family)
     Bankia Gray, 1840 accepted as Bankia Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Teredinidae (Family)

Banksia
     Banksia Linnaeus f., 1782 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Banksia Radford, 1942 accepted as Pililaelaps Radford, 1947 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
 Banksia J.R. Forster & J.G.A. Forster, 1775 accepted as Pimelea Banks ex J. Gaertner, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)
 Banksia Bruce, 1790 accepted as Hagenia J.F. Gmelin, 1791 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Banksia Warren & Marsicano, 1998 † accepted as Banksiops Warren & Marsicano, 2000 † · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Temnospondyli (Order) > Brachyopidae (Family)
 Banksia Voigts & Oudemans, 1905 accepted as Xenillus Robineau-Desvoidy, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Xenillidae (Family)

Banksiella
     Banksiella Muir, 1917 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Derbidae (Family)
 Banksiella Klapálek, 1921 accepted as Paragnetina Klapálek, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Perlidae (Family)

Banya
     Banya Schouteden, 1916 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Banya Navás, 1924 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)

Baojingia
     Baojingia Yang, 1978 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Baojingia (Wu MS) T-M Zhou Liu et al., 1977 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Baphia
     Baphia G. Loddiges in C. Loddiges, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Baphia Gray, 1847 accepted as Vulsella Röding, 1798 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pteriidae (Family)

Baphioxylon
     Baphioxylon R.N. Lakhanpal & U. Prakash, 1970 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Baphioxylon B.S. Trivedi & K. Srivastava, 1986 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Bapta
     Bapta Stephens, 1829 accepted as Bapta Stephens, 1829 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Bapta Stephens, 1831 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Baptolinus
 Baptolinus Kraatz, 1858 accepted as Atrecus Jacquelin Du Val, ? 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Baptolinus Roger, 1856 accepted as Atrecus Jacquelin Du Val, ? 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Baracus
     Baracus Moore, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
     Baracus Kirkaldy, 1902 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Baratha
     Baratha Bahir & Yeo, 2007 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gecarcinucidae (Family)
     Baratha Walker, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Barbaracletodes
     Barbaracletodes Huys, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Cletodidae (Family)
     Barbaracletodes Becker in Becker, Noodt & Schriever, 1979 accepted as Barbaracletodes Becker in Becker, Noodt & Schriever, 1979 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Cletodidae (Family)

Barbarea
     Barbarea W.T. Aiton, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Barbarea Scopoli, 1760 accepted as Barbarea Scopoli, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Barbariella
 Barbariella Middelhoek, 1949 accepted as Asaphomyces Thaxter, 1931 · Fungi (Kingdom) > Ascomycota (Phylum) > Laboulbeniomycetes (Class) > Laboulbeniales (Order) > Laboulbeniaceae (Family)
 Barbariella Shannon, 1922 accepted as Chrysosyrphus Sedman in Stone et al., 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)

Barbarosphaera
     Barbarosphaera Vandel, 1948 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Spelaeoniscidae (Family)
     Barbarosphaera Arcangeli, 1955 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Barbarus
     Barbarus Mazur, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)
     Barbarus Crotch, 1872 accepted as Barbarus Crotch, 1872 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Barbata
 Barbata Sowerby, 1839 accepted as Barbata Sowerby, 1839 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Barbata Méhelÿ, 1935 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Barbatia
     Barbatia Gray, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Arcidae (Family)
     Barbatia Gray, 1840 † accepted as Barbatia Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Arcidae (Family)

Barbatula
     Barbatula Linck, 1790 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Nemacheilidae (Family)
     Barbatula Lesson, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Ramphastidae (Family)

Barbella
     Barbella Draber-Monko, 1965 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Barbella M. Fleischer ex V.F. Brotherus in Engler & Prantl, 1906 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Amblystegiaceae (Family)

Barberia
     Barberia Dyar, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
     Barberia Miller, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
 Barberia Cobos, 1980 accepted as Tyndaris Thomson, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Barberiella
     Barberiella Poppius, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
 Barberiella Shannon, 1922 accepted as Chrysosyrphus Sedman in Stone et al., 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)

Barbeya
     Barbeya G. Schweinfurth, 1892 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Barbeyaceae (Family)
 Barbeya N. Alboff, 1893 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Barbiellinia
     Barbiellinia Bezzi, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
 Barbiellinia Mello-Leitão, 1944 accepted as Triglochinura Mello-Leitão, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Barbiera
 Barbiera C.P.J. Sprengel, 1831 accepted as Barbieria A.P. de Candolle, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Barbiera Jeannel, 1952 accepted as Prosthecarthron Raffray, 1915 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Barbieria
     Barbieria † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Diploporita (Class) > Diploporita (awaiting allocation) (Order) > Diploporita (awaiting allocation) (Family)
     Barbieria A.P. de Candolle, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Barbouria
     Barbouria Lang, Smith & Thomas, 1940 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Cyathopsidae (Family)
     Barbouria Rathbun, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Barbouriidae (Family)

Barbourina
     Barbourina Amaral, 1924 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Barbourina Bermúdez, 1939 accepted as Barbourinella Bermúdez, 1940 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lituolida (Order) > Verneuilinidae (Family)

Barbula
 Barbula Loureiro, 1790 accepted as Barbula Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)
     Barbula Deshayes, 1830 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Barbula J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)

Barbus
     Barbus Cuvier & Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
     Barbus Nilsson, 1832 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Bardana
     Bardana DeLong, 1980 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Bardana J. Hill, 1762 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bardistus
     Bardistus Newman, 1841 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Bardistus Dallas, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Barentsia
     Barentsia Hincks, 1880 · Animalia (Kingdom) > Entoprocta (Phylum) > Entoprocta (awaiting allocation) (Class) > Urnatellida (Order) > Barentsiidae (Family)
 Barentsia Stebbing, 1894 accepted as Gulbarentsia Stebbing, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Oedicerotidae (Family)

Bargus
 Bargus Schiødte, 1867 accepted as Bledius Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Bargus Schiödte, 1866 accepted as Bledius Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Baria
     Baria González-Sponga, 1993 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Cosmetidae (Family)
     Baria Karsch, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Limacodidae (Family)

Barinomorphus
     Barinomorphus Morimoto, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Barinomorphus Voss, 1965 accepted as Baridiomorphus Voss, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Baris
     Baris Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Baris Looss, 1899 accepted as Deuterobaris Looss, 1900 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Echinostomida (Order) > Microscaphidiidae (Family)

Barisoma
     Barisoma Motschoulsky, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Barisoma Faust, 1888 accepted as Hollisiella Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Barkeria
     Barkeria Addicott, 1970 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Neogastropoda (awaiting allocation) (Family)
     Barkeria Knowles & Westcott, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Barlaea
 Barlaea P.A. Saccardo, 1889 accepted as Lamprospora De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
 Barlaea H.G. Reichenbach, 1876 accepted as Cynorkis Du Petit-Thouars, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Barnardia
     Barnardia Lehrer, 2003 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Barnardia J. Lindley, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Barnardia Péringuey, 1926 accepted as Teratotarsa Tschitscherin, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Barnardia Yamaguti, 1963 accepted as Chondracanthus Delaroche, 1811 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Chondracanthidae (Family)

Barnardiella
     Barnardiella Turner, 1925 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
 Barnardiella P. Goldblatt, 1976 accepted as Moraea P. Miller, 1758 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Barnardillo
     Barnardillo Taiti, Paoli & Ferrara, 1998 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Armadillidae (Family)
 Barnardillo Arcangeli, 1934 accepted as Barnardillo Taiti, Paoli & Ferrara, 1998 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Armadillidae (Family)

Barnardina
 Barnardina Taylor, Patterson & Choi, 1985 † accepted as Laevicalvatella Patterson, 1989 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Glandulinidae (Family)
     Barnardina Kalantari, 1970 † · Chromista (Kingdom) > Retaria (Phylum) > Foraminifera incertae sedis (Class) > Foraminifera (awaiting allocation) (Order) > Foraminifera (awaiting allocation) (Family)
     Barnardina Haynes, 1981 † accepted as Laevicalvatella Patterson, 1989 † (nomen nudum)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Glandulinidae (Family)

Barnesia
     Barnesia Bertoni, 1901 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Barnesia Thalmann, 1994 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Notharctidae (Family)
     Barnesia J. Cardot, 1910 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
 Barnesia Grossbeck, 1910 accepted as Eubarnesia Cockerell, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Barnesiella
     Barnesiella Sakamoto, Lan & Benno, 2007 · Bacteria (Kingdom) > Bacteroidetes (Phylum) > Bacteroidia (Class) > Bacteroidales (Order) > Porphyromonadaceae (Family)
     Barnesiella Trejo, 1983 † · Protozoa (Kingdom) > Calcitarcha (Phylum) > Calcitarcha (awaiting allocation) (Class) > Calcitarcha (awaiting allocation) (Order) > Calcitarcha (awaiting allocation) (Family)

Barnettia
 Barnettia A.C. Batista & J.L. Bezerra in A.C. Batista, E.P. Pezerra & J.L. Bezerra, 1962 accepted as Microcallis H. Sydow, 1926 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Chaetothyriales (Order) > Chaetothyriaceae (Family)
     Barnettia Schuchert, 1996 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Pandeidae (Family)
 Barnettia T. Santisuk, 1973 accepted as Santisukia R.K. Brummitt, 1992 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)

Baroda
     Baroda Ragonot, 1888 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Baroda Stoliczka, 1870 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Barola
     Barola Rolston, 1992 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
 Barola Adanson, 1763 accepted as Trichilia P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)

Barombia
     Barombia Karsch, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Barombia Jacoby, 1903 accepted as Bonesioides Laboissière, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Barombia Schlechter, 1914 accepted as Aerangis H.G. Reichenbach, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Barombia Trewavas, 1962 accepted as Pungu Trewavas in Trewavas, Green & Corbet, 1972 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)

Barombiella
     Barombiella D.L. Szlachetko, 2003 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Barombiella Laboissière, 1931 accepted as Bonesioides Laboissière, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Baronia
     Baronia Salvin, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Papilionidae (Family)
     Baronia J.G. Baker, 1882 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Anacardiaceae (Family)

Baropus
     Baropus Marsh, 1894 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Baropus Baird, 1952 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Barrabandius
 Barrabandius Bonaparte, 1850 accepted as Polytelis Wagler, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
     Barrabandius Bonaparte, 1850 accepted as Polytelis Wagler, 1832 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)

Barrandia
     Barrandia M'Coy, 1849 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Nileidae (Family)
     Barrandia Hall, 1860 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Barrella
     Barrella Hedström, 1930 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Barrella Hirst, 1910 accepted as Eusimonia Kraepelin, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Karschiidae (Family)
 Barrella Y. Ahn & C.A. Shearer, 1995 accepted as Pseudoyuconia Lar.N. Vassiljeva, 1983 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Pleosporaceae (Family)

Barreria
 Barreria Linnaeus, 1753 accepted as Diosma Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
 Barreria Scopoli, 1777 accepted as Poraqueiba Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Metteniusales (Order) > Metteniusaceae (Family)

Barrettia
     Barrettia Woodward, 1862 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Hippuritida (Order) > Hippuritidae (Family)
 Barrettia T.R. Sim, 1909 accepted as Ricinodendron J. Mueller-Arg., 1864 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Barringtonia
     Barringtonia J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Lecythidaceae (Family)
     Barringtonia Waterhouse, 2010 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Linoproductidae (Family)

Barroisella
     Barroisella Hall & Clarke, 1892 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Lingulidae (Family)
     Barroisella Hall & Clarke, 1889 † accepted as Barroisella Hall & Clarke, 1892 † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Lingulidae (Family)

Barroisia
     Barroisia Munier-Chalmas, 1882 † · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Thalamida (Order) > Barroisiidae (Family)
 Barroisia Grossouvre, 1894 † accepted as Barroisiceras Grossouvre, 1894 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Collignoniceratidae (Family)

Barrosia
     Barrosia Villiers, 1952 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Barrosia Souto, Reverter-Gil & Fernández-Pulpeiro, 2010 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Calloporidae (Family)
 Barrosia Smith, 1952 accepted as Calloplesiops Fowler & Bean, 1930 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Plesiopidae (Family)

Barrouxia
     Barrouxia Schneider, 1885 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Eimeriidae (Family)
 Barrouxia Labbé, 1899 accepted as Barrouxia Labbé, 1899 · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Barrowia
     Barrowia Smithers, 1984 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Psocidae (Family)
     Barrowia Decaisne in Alph. de Candolle, 1844 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Barsine
     Barsine Meyrick, 1883 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Barsine Walker, 1854 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Barteria
     Barteria J.D. Hooker, 1860 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Passifloraceae (Family)
 Barteria Welwitsch, 1861 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Nymphaeales (Order) > Nymphaeaceae (Family)

Barthelia
     Barthelia Oloriz & Schairer, 1983 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Cephalopoda (awaiting allocation) (Order) > Cephalopoda (awaiting allocation) (Family)
     Barthelia G.W. Rothwell & G. Mapes, 2001 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Voltziales (Order) > Bartheliaceae (Family)

Bartlettia
     Bartlettia Adams, 1867 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Mycetopodidae (Family)
     Bartlettia Gray, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Podocnemididae (Family)
     Bartlettia A. Gray, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bartlingia
 Bartlingia A.T. Brongniart, 1826 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Bartlingia F. von Mueller, 1882 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Bartlingia H.G.L. Reichenbach, 1824 accepted as Plocama W. Aiton, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Bartonia
     Bartonia Muhlenberg ex Willdenow, 1801 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
     Bartonia Cossmann, 1901 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Neogastropoda (awaiting allocation) (Family)
 Bartonia Strong, Tyzzer, Brues & Sellards, 1915 accepted as Bartonella Strong et al., 1915 (Approved Lists, 1980) emend. Birtles et al., 1995 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Alphaproteobacteria (Class) > Rhizobiales (Order) > Bartonellaceae (Family)
 Bartonia Pursh, 1812 accepted as Mentzelia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Loasaceae (Family)

Bartramia
     Bartramia Lesson, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Scolopacidae (Family)
     Bartramia J. Hedwig, 1801 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Bartramiaceae (Family)
 Bartramia Linnaeus, 1753 accepted as Bartramia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Bartramia R.A. Salisbury, 1796 accepted as Penstemon Schmidel, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Bartschella
     Bartschella Iredale, 1916 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)
 Bartschella N.L. Britton & J.N. Rose, 1923 accepted as Mammillaria A.H. Haworth, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Bartschia
     Bartschia Gayet & Meunier, 1996 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Polypteriformes (Order) > Polypteriformes (awaiting allocation) (Family)
     Bartschia Rehder, 1943 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Colubrariidae (Family)

Baruna
     Baruna Distant, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tropiduchidae (Family)
     Baruna Stebbing, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Camptandriidae (Family)

Barya
     Barya Klotzsch, 1854 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cucurbitales (Order) > Begoniaceae (Family)
     Barya Fuckel, 1864 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Hypocreales (Order) > Clavicipitaceae (Family)

Barybas
     Barybas Blanchard, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Barybas Burmeister, 1855 accepted as Byrasba Harold, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Barybas Dejean, 1833 accepted as Barybas Blanchard, 1850 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Barycephalus
     Barycephalus Günther, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
 Barycephalus Bode, 1953 † accepted as Amblicephalonius Bode, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coptoclavidae (Family)
 Barycephalus Brauns, 1895 accepted as Barytatocephalus Schulz, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Baryceros
     Baryceros (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)
     Baryceros Gravenhorst, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Barycerus
     Barycerus Schönherr, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Barycerus Dalla Torre, 1901 accepted as Baryceros Gravenhorst, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Barycerus Schoenherr, 1833 accepted as Barycerus Schönherr, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Barynotus
     Barynotus Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Barynotus Günther, 1868 accepted as Barbus Cuvier & Cloquet, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Baryodma
 Baryodma Casey, 1906 accepted as Aleochara Gravenhorst, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Baryodma Thomson, 1858 accepted as Aleochara Gravenhorst, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Barypus
     Barypus Curtis, 1837 accepted as Barypus Curtis, 1837 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Barypus Agassiz, 1847 accepted as Baripus Dejean, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Barypus Laporte, 1834 accepted as Baripus Dejean, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Baryrhynchus
     Baryrhynchus Lacordaire, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
     Baryrhynchus Roberts, 1922 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Baryscelis
     Baryscelis Boisduval, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Baryscelis Dejean, 1834 accepted as Baryscelis Dejean, 1834 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Barysoma
     Barysoma Bunge, 1839 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
     Barysoma Cox, 1965 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Therapsida (Order) > Kannemeyeriidae (Family)
 Barysoma Faust, 1888 accepted as Hollisiella Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Barysomus
     Barysomus Dejean, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Barysomus Schönherr, 1840 accepted as Rhigus Schönherr, 1823 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Barytettix
     Barytettix Scudder, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Barytettix Günther, 1939 accepted as Marshallacris Rehn, 1948 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tetrigidae (Family)

Barytopus
     Barytopus Dejean, 1835 accepted as Barytopus Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Barytopus Dejean in Lacordaire, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Barytopus Lacordaire, 1842 accepted as Brachysphaenus Lacordaire, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Erotylidae (Family)

Barytychius
 Barytychius Jekel, 1861 accepted as Pachytychius Jekel, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Barytychius LeConte & Horn, 1883 accepted as Smicronyx Schönherr, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Basanistes
     Basanistes Lichtenstein, 1842 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Basanistes Nordmann, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Lernaeopodidae (Family)

Basanus
     Basanus Dejean, 1834 accepted as Basanus Lacordaire, 1859 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Basanus Lacordaire, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Basedowia
     Basedowia Pritzel, 1918 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Basedowia Lea, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Baseotoxus
 Baseotoxus Agassiz, 1836 accepted as Basitoxus Audinet-Serville, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Baseotoxus Gemminger & Harold, 1872 accepted as Basitoxus Audinet-Serville, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Bashania
     Bashania Qiu, 1983 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Bashania P.C. Keng & T.P. Yi, 1982 accepted as Arundinaria A. Michaux, 1803 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Basides
     Basides Motschoulsky, 1873 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Basides Pic, 1925 accepted as Ischnodactylus Chevrolat, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Basilepta
     Basilepta Baly, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Basilepta Weise, 1923 accepted as Cleorina Lefèvre, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Basileuterus
     Basileuterus Cabanis in Schom-burgk Guiana, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)
     Basileuterus Cabanis, 1847 accepted as Basileuterus Cabanis in Schom-burgk Guiana, 1849 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)

Basilicoides
     Basilicoides Harrington, 1937 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Basilicoides Ma, 1938 † accepted as Dolerobasilicus Harrington & Leanza, 1942 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphidae (Family)

Basilicus
     Basilicus Salter, 1849 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphidae (Family)
 Basilicus Oppel, 1811 accepted as Basiliscus Laurenti, 1768 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Corytophanidae (Family)

Basiliscus
     Basiliscus Macgillivray, 1839 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Basiliscus Zittel, 1885 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphidae (Family)
     Basiliscus Laurenti, 1768 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Corytophanidae (Family)

Basiprionota
     Basiprionota Dejean, 1835 accepted as Basiprionota Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Basiprionota Blanchard, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Basiprionota Chevrolat in Dejean, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Basipta
     Basipta Chevrolat in D'Orbigny, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Basipta Boheman, 1854 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Basipta Dejean, 1835 accepted as Basipta Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Basiria
     Basiria Siddiqi, 1959 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Tylenchidae (Family)
 Basiria Farooqui, 1967 accepted as Cranifera Kloss, 1960 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Thelastomatidae (Family)

Bassania
 Bassania Cambridge, 1898 accepted as Bassaniana Strand, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Thomisidae (Family)
 Bassania Bannikov, 2004 † accepted as Bassanichthys Bannikov, 2006 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Eocottidae (Family)
     Bassania Walker, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Bassania A. de Gasparis, 1895 † accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Jungermanniales (awaiting allocation) (Family)

Bassareus
     Bassareus Linnavuori, 1979 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Bassareus Haldeman, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Bassaris
     Bassaris Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Bassaris Lichtenstein, 1830 accepted as Bassariscus Coues, 1887 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Procyonidae (Family)

Bassettia
     Bassettia Ashmead, 1887 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Cynipidae (Family)
 Bassettia Stebbing in Willey, 1900 accepted as Bassettithia Wilson C.B., 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Hatschekiidae (Family)

Bassia
     Bassia Quoy & Gaimard in de Blainville, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Abylidae (Family)
     Bassia L. Agassiz, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Abylidae (Family)
     Bassia Allioni, 1766 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Bassia Jousseaume, 1880 † accepted as Hexaplex Perry, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)
 Bassia J.G. König ex Linnaeus, 1771 accepted as Madhuca Hamilton ex J.F. Gmelin, 1791 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)

Bassianus
     Bassianus Matthews & Doyen, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Bassianus Hinds, 1844 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Marginellidae (Family)

Basslerella
     Basslerella Kellett, 1935 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Podocopida (awaiting allocation) (Family)
 Basslerella Howe in Howe, Hadley et al., 1935 † accepted as · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Trachyleberididae (Family)
 Basslerella Boucek, 1936 † accepted as Boucia Agnew, 1942 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Myodocopida (awaiting allocation) (Family)

Bassleria
 Bassleria Solle, 1952 † accepted as Basslederella Solle, 1968 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Stenolaemata (awaiting allocation) (Order) > Stenolaemata (awaiting allocation) (Family)
     Bassleria Harlton, 1929 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda incertae sedis (Family)

Basslerites
     Basslerites Teichert, 1937 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Trachyleberididae (Family)
     Basslerites Howe in Coryell & Fields, 1937 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Trachyleberididae (Family)

Basta
     Basta Pallas, 1766 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Verongida (Order) > Ianthellidae (Family)
 Basta Oken, 1815 accepted as Ianthella Gray, 1869 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Verongida (Order) > Ianthellidae (Family)

Basteria
 Basteria Houttuyn, 1776 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Basteria P. Miller, 1755 accepted as Calycanthus Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Calycanthaceae (Family)

Basterotia
     Basterotia M. Hörnes, 1859 [ex Mayer MS] · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Basterotiidae (Family)
     Basterotia Jousseaume, 1884 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Batea
     Batea Koren & Danielssen, 1874 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Batea Müller, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Bateidae (Family)
     Batea Müller, 1864 accepted as Batea Müller, 1865 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Bateidae (Family)

Batella
     Batella Holthuis, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Alpheidae (Family)
 Batella Khosla, Jakhar & Mohammed, 1997 † accepted as Raybatella Kempf, 2010 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Progonocytheridae (Family)
     Batella Dall'Asta, 1981 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Batesia
     Batesia Felder & Felder, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Batesia Spruce ex Bentham & J.D. Hooker, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Batesiana
     Batesiana Erwin, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Batesiana Chalumeau, 1983 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Bathanthidium
     Bathanthidium Pasteels, 1968 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Bathanthidium Mavromoustakis, 1953 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Bathelium
 Bathelium Acharius, 1803 accepted as Trypethelium K.P.J. Sprengel, 1804 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Trypetheliales (Order) > Trypetheliaceae (Family)
 Bathelium Trevisan, 1861 accepted as Laurera H.G.L. Reichenbach, 1841 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Trypetheliales (Order) > Trypetheliaceae (Family)

Bathophilus
     Bathophilus Giglioli, 1882 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Stomiiformes (Order) > Stomiidae (Family)
 Bathophilus Miles, 1942 accepted as Rhizosomichthys Miles, 1943 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Trichomycteridae (Family)

Bathseba
     Bathseba Motschoulsky, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Bathseba Dejean, 1835 accepted as Bathseba Motschoulsky, 1866 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Bathya
     Bathya Saint-Joseph, 1894 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)
     Bathya Wang, Zhu, Sha & Ren, 2020 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Calliopiidae (Family)

Bathyactis
     Bathyactis Durègne, 1886 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Bathyactis Moseley, 1881 accepted as Fungiacyathus Sars, 1872 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Fungiacyathidae (Family)

Bathyamussium
     Bathyamussium Oyama in Kuroda, 1951, nom. nud. accepted as Propeamussium de Gregorio, 1884 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Ostreida (Order) > Propeamussiidae (Family)
 Bathyamussium Habe, 1951 accepted as Propeamussium de Gregorio, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Ostreida (Order) > Propeamussiidae (Family)
 Bathyamussium Oyama in Kuroda, 1951 accepted as Propeamussium de Gregorio, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Ostreida (Order) > Propeamussiidae (Family)

Bathyaulax
     Bathyaulax Szépligeti, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Bathyaulax Bergroth, 1911 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Bathybiopsis
     Bathybiopsis de Folin, ? 1882 accepted as Bathybiopsis de Folin, ? 1882 (nomen nudum)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Bathybiopsis de Folin, ? 1885 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Bathycles
     Bathycles Distant, 1893 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Bathycles Koken, 1896 † accepted as Bathyclides Strand, 1928 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda incertae sedis (Order) > Codonocheilidae (Family)

Bathycoelia
     Bathycoelia Amyot & Serville, 1843 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Bathycoelia Foerste, 1909 † accepted as Pionodema Foerste, 1912 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Draboviidae (Family)

Bathydorus
     Bathydorus Schulze, 1886 · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Lyssacinosida (Order) > Rossellidae (Family)
     Bathydorus Schulze, 1885 accepted as Bathydorus Schulze, 1886 (nomen nudum)· Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Lyssacinosida (Order) > Rossellidae (Family)

Bathyglyptus
     Bathyglyptus Case, 1911 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Bathyglyptus Schmiedeknecht, 1913 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Bathylaimus
     Bathylaimus Cobb, 1894 · Animalia (Kingdom) > Nematoda (Phylum) > Enoplea (Class) > Tripyloidida (Order) > Tripyloididae (Family)
 Bathylaimus Daday, 1905 accepted as Anonchus Cobb, 1913 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Leptolaimida (Order) > Aphanolaimidae (Family)
 Bathylaimus Ditlevsen, 1919 accepted as Ascolaimus Ditlevsen, 1919 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Monhysterida (Order) > Axonolaimidae (Family)

Bathymicrops
     Bathymicrops Hjort & Koefoed, 1912 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Aulopiformes (Order) > Ipnopidae (Family)
     Bathymicrops Hjort & Koefoed in Murray & Hjort, 1912 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Aulopiformes (Order) > Ipnopidae (Family)

Bathynectes
 Bathynectes Brinkmann, 1913 accepted as Phallonemertes Brinkmann, 1917 · Animalia (Kingdom) > Nemertea (Phylum) > Enopla (Class) > Hoplonemertea (Order) > Phallonemertidae (Family)
 Bathynectes Günther, 1878 accepted as Bathyonus Goode & Bean, 1885 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Ophidiidae (Family)
     Bathynectes Stimpson, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Polybiidae (Family)

Bathynemertes
 Bathynemertes Brinkmann, 1917 accepted as Protopelagonemertes Brinkmann, 1917 · Animalia (Kingdom) > Nemertea (Phylum) > Enopla (Class) > Hoplonemertea (Order) > Protopelagonemertidae (Family)
     Bathynemertes Laidlaw, 1906 · Animalia (Kingdom) > Nemertea (Phylum) > Enopla (Class) > Polystilifera (Order) > Polystilifera incertae sedis (Family)

Bathynomus
     Bathynomus Grube, 1879 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Lumbriculida (Order) > Lumbriculidae (Family)
     Bathynomus A. Milne-Edwards, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Cirolanidae (Family)

Bathyopsis
     Bathyopsis Cope, 1881 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Dinocerata (Order) > Uintatheriidae (Family)
     Bathyopsis Folin, 1884 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Bathyraja
     Bathyraja Ishiyama, 1958 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Arhynchobatidae (Family)
 Bathyraja Ishyama & Hubbs, 1968 accepted as Bathyraja Ishiyama, 1958 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Arhynchobatidae (Family)

Bathysiredon
     Bathysiredon Taylor, 1940 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
 Bathysiredon Dunn, 1939 accepted as Ambystoma Tschudi, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Caudata (Order) > Ambystomatidae (Family)

Bathysphaera
     Bathysphaera Beebe, 1932 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Stomiiformes (Order) > Stomiidae (Family)
     Bathysphaera Hollande & Enjumet, 1960 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Bathyspinula
     Bathyspinula Filatova, 1958 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Bathyspinulidae (Family)
     Bathyspinula Allen & Sanders, 1982 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Bathyspinulidae (Family)

Bathystoma
 Bathystoma Marsson, 1887 † accepted as Bathystomella Strand, 1928 † · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)
 Bathystoma Fitzinger, 1873 accepted as Leuciscus Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Bathystoma Scudder in Putnam, 1863 accepted as Haemulon Cuvier, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Haemulidae (Family)

Bathytroctes
     Bathytroctes Günther, 1878 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Alepocephalidae (Family)
     Bathytroctes Parr, 1952 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Bathyuriscidella
     Bathyuriscidella Rusconi † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Corynexochida (Order) > Dolichometopidae (Family)
     Bathyuriscidella Rasetti, 1948 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Bathyvargula
     Bathyvargula Poulsen, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Cypridinidae (Family)
     Bathyvargula Kornicker, 1968 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Cypridinidae (Family)

Batia
     Batia Stephens, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)
 Batia Walker, 1867 accepted as Paridnea Ragonot, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Batis
     Batis Boie, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)
     Batis P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Bataceae (Family)
 Batis Bonaparte, 1838 accepted as Raja Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rajidae (Family)

Batocera
     Batocera Dejean, 1835 accepted as Batocera Laporte de Castelnau, 1840 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Batocera Laporte de Castelnau, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Batochares
 Batochares Hansen, 1991 accepted as Helochares Mulsant, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Batochares Orchymont, 1939 accepted as Helochares Mulsant, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)

Batodendron
 Batodendron Nuttall, 1842 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
 Batodendron V.A. Chachlov, 1921 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lepidodendrales (Order) > Lepidodendraceae (Family)

Batolites
     Batolites Oken, 1815 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Batolites de Montfort, 1808 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Hippuritida (Order) > Hippuritida (awaiting allocation) (Family)

Batoscelis
     Batoscelis Lacordaire, 1854 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Batoscelis Dejean, 1836 accepted as Batoscelis Dejean, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Batotheca
     Batotheca Enderlein, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Batotheca Oppliger, 1915 † (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Tetractinomorpha (awaiting allocation) (Order) > Tetractinomorpha (awaiting allocation) (Family)

Batracarus
     Batracarus Fain, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Ereynetidae (Family)
 Batracarus Vercammen-Grandjean, 1968 † accepted as Hannemania Oudemans, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Leeuwenhoekiidae (Family)

Batrachion
     Batrachion Dejean, 1836 accepted as Batrachion Dejean, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Batrachion Chevrolat, 1842 accepted as Notiobia Perty, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Batrachium
 Batrachium (A.P. de Candolle) S.F. Gray, 1821 accepted as Ranunculus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
 Batrachium Agassiz, 1846 accepted as Notiobia Perty, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Batrachocephalus
     Batrachocephalus Fric, 1876 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Batrachocephalus Bleeker, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)

Batrachoglanis
 Batrachoglanis Günther, 1864 † accepted as Batrochoglanis Gill, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Pseudopimelodidae (Family)
 Batrachoglanis Gill, 1861 accepted as Batrochoglanis Gill, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Pseudopimelodidae (Family)

Batrachoides
     Batrachoides Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Batrachoidiformes (Order) > Batrachoididae (Family)
 Batrachoides Hitchcock, 1858 † accepted as · Questionable / non-biota (fossil) (Kingdom) > Pseudofossils (Phylum) > (Class) > (Order) > (Family)

Batrachomatus
     Batrachomatus Clark, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)
 Batrachomatus Schaum & White, 1847 accepted as Batrachomatus Clark, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Batrachomorphus
 Batrachomorphus Linnavuori, 1960 accepted as Batracomorphus Lewis, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
 Batrachomorphus Agassiz, 1846 accepted as Batracomorphus Lewis, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Batrachops
 Batrachops Heckel, 1840 accepted as Crenicichla Heckel, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)
 Batrachops Bibron in Duméril, 1855 accepted as Colomesus Gill, 1884 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Tetraodontidae (Family)

Batrachopsis
     Batrachopsis Fitzinger, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Caudata (Order) > Plethodontidae (Family)
 Batrachopsis Boulenger, 1882 accepted as Lechriodus Boulenger, 1882 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Limnodynastidae (Family)

Batrachopus
     Batrachopus Hitchcock, 1845 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Batrachopodidae (Family)
     Batrachopus Blanchard in Gay, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Romaleidae (Family)
 Batrachopus Goldfuss, 1820 accepted as Histrio Fischer, 1813 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lophiiformes (Order) > Antennariidae (Family)

Batrachorhina
     Batrachorhina Chevrolat in d'Orbigny, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Batrachorhina Dejean, 1835 accepted as Batrachorhina Chevrolat in d'Orbigny, 1842 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Batrachosaurus
 Batrachosaurus Fitzinger, 1839 † accepted as Batrachosaurus Fitzinger, 1839 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Batrachosaurus Fitzinger, 1843 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Batrachosaurus Owen, 1876 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)

Batrachus
     Batrachus Rafinesque, 1814 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Batrachus Schaeffer, 1760 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Batrachus Pomel, 1853 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Anura (awaiting allocation) (Family)
 Batrachus Walbaum, 1792 accepted as Lophius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lophiiformes (Order) > Lophiidae (Family)
 Batrachus Bloch & Schneider, 1801 accepted as Batrachoides Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Batrachoidiformes (Order) > Batrachoididae (Family)
 Batrachus Klein, 1776 accepted as Lophius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lophiiformes (Order) > Lophiidae (Family)

Batracoides
 Batracoides Berthold in Latreille, 1827 accepted as Batrachoides Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Batrachoidiformes (Order) > Batrachoididae (Family)
 Batracoides Ilie, 1937 † accepted as · Questionable / non-biota (fossil) (Kingdom) > Pseudofossils (Phylum) > (Class) > (Order) > (Family)

Batrisoschema
     Batrisoschema Reitter, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Batrisoschema Jeannel, 1960 accepted as Batrischema Newton & Chandler, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Batrisoxenus
     Batrisoxenus Leleup, 1971 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Batrisoxenus Dajoz, 1982 accepted as Batrixenus Newton & Chandler, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Batschia
 Batschia Moench, 1794 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Batschia Mutis ex Thunberg, 1792 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Menispermaceae (Family)
 Batschia J.F. Gmelin, 1791 accepted as Lithospermum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)

Battersbya
 Battersbya Roemer, 1855 † accepted as Battersbya Roemer, 1855 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Spongophyllidae (Family)
 Battersbya Carter, 1875 accepted as Dercitus Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Pachastrellidae (Family)

Battersbyia
     Battersbyia Milne-Edwards & Haime, 1851 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Spongophyllidae (Family)
 Battersbyia Bowerbank, 1874 accepted as Dercitus Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Astrophorida (Order) > Ancorinidae (Family)

Battus
     Battus Scopoli, 1777 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Papilionidae (Family)
     Battus Dalman, 1826 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Battus † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Baucis
     Baucis R.A. Philippi, 1894 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Baucis Reichenbach, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Baudinia
 Baudinia J.B.L.T. Leschenault de la Tour ex A.P. de Candolle, 1828 accepted as Calothamnus Labillardière, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Baudinia J.B.L.T. Leschenault de la Tour ex A.P. de Candolle, 1839 accepted as Scaevola Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Goodeniaceae (Family)

Baudonia
     Baudonia Mabille, 1868 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Baudonia Binney, 1885 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Baudonia Cobos, 1957 accepted as Baudonisia Cobos, 1963 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Baudonia Bayan, 1873 † accepted as Eulimella Forbes & MacAndrew, 1846 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)

Bauerella
 Bauerella A. Borzì, 1897 accepted as Sarcomelicope Engler in Engler & Prantl, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
 Bauerella A.K. Schindler, 1926 accepted as Psoralea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Baumannia
 Baumannia K.M. Schumann, 1897 accepted as Knoxia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Baumannia A.P. de Candolle in A.P. de Candolle & Alph. de Candolle, 1834 accepted as Damnacanthus C.F. Gaertner, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Baumannia Spach, 1835 accepted as Oenothera Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)

Baumiella
 Baumiella H. Wolff in Engler, 1927 accepted as Afrocarum S. Rauschert, 1982 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Baumiella Hennings in Warburg, 1903 accepted as Leptosphaeria Cesati & De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Leptosphaeriaceae (Family)

Baxteria
 Baxteria Van Heurck, 1896 accepted as · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Bacillariophyceae (awaiting allocation) (Order) > Bacillariophyceae (awaiting allocation) (Family)
     Baxteria R. Brown in W.J. Hooker, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Dasypogonaceae (Family)

Bayeria
     Bayeria Rübsaamen, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)
     Bayeria Fritsch in Fritsch & Bayer, 1905 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Baylisiella
     Baylisiella Markowski, 1952 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Pseudophyllidea (Order) > Diphyllobothriidae (Family)
 Baylisiella Skrjabin & Schulz, 1937 accepted as Paralibyostrongylus Ortlepp, 1939 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Trichostrongylidae (Family)

Bayonia
 Bayonia Barboza du Bocage, 1865 accepted as Potamogale Du Chaillu, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Insectivora (Order) > Tenrecidae (Family)
 Bayonia Boulenger, 1911 accepted as Macropleurodus Regan, 1922 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)
 Bayonia Dugand, 1946 accepted as Mansoa A.P. de Candolle, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)

Bazarella
     Bazarella Vaillant, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Psychodidae (Family)
 Bazarella Vaillant, 1983 accepted as Bazarella Vaillant, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Psychodidae (Family)

Bdella
     Bdella Savigny, 1822 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
     Bdella Latreille, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Bdellidae (Family)

Bdellia
 Bdellia Westwood in Blyth, 1840 accepted as Bdellia Westwood in Blyth, 1840 · Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
     Bdellia Enderlein, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)

Bdellorhynchus
     Bdellorhynchus Mégnin & Trouessart, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Avenzoariidae (Family)
 Bdellorhynchus Jordan & Tanaka, 1927 accepted as Mastacembelus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Synbranchiformes (Order) > Mastacembelidae (Family)

Beamerella
     Beamerella Knight, 1959 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
 Beamerella Brennan, 1958 accepted as Tecomatlana Hoffmann, 1947 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Trombiculidae (Family)

Beanella
     Beanella Thiele, 1893 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Lepidopleurida (Order) > Leptochitonidae (Family)
 Beanella Dall, 1882 accepted as Lepidochitona Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Lepidopleurida (Order) > Leptochitonidae (Family)

Beania
     Beania Johnston, 1840 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Beaniidae (Family)
     Beania Dall, 1879 accepted as Lepidochitona Gray, 1821 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Tonicellidae (Family)
 Beania Dall, 1882 accepted as Lepidochitona Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Tonicellidae (Family)
     Beania Carruthers, 1869 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Cycadopsida (Class) > Nilssoniales (Order) > Nilssoniaceae (Family)

Beata
     Beata Peckham, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Beata O.F. Cook, 1941 accepted as Coccothrinax Sargent, 1899 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Beatites
     Beatites Arthaber, 1909 † accepted as Beatites Arthaber, 1911 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
     Beatites Arthaber, 1911 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)

Beatricea
     Beatricea Whalen & Carter, 1998 † (uncertain)· Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Spumellaria (awaiting allocation) (Family)
 Beatricea Billings, 1857 † accepted as Aulacera Plummer, 1843 † · Animalia (Kingdom) > Porifera (Phylum) > Stromatoporoidea (Class) > Labechiida (Order) > Aulaceridae (Family)

Beauchampia
     Beauchampia Yamaguti, 1963 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Monogenea (awaiting allocation) (Order) > Monogenea (awaiting allocation) (Family)
     Beauchampia Harring, 1913 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Flosculariaceae (Order) > Flosculariidae (Family)

Beauchampiella
     Beauchampiella Remane, 1929 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Euchlanidae (Family)
 Beauchampiella Luther, 1955 accepted as Beauchampiola Luther, 1957 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Dalyelliidae (Family)

Beaufortia
     Beaufortia R. Brown ex W.T. Aiton, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
     Beaufortia Hora, 1932 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Balitoridae (Family)

Beaumontia
     Beaumontia Milne-Edwards & Haime, 1851 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Tabulata (Order) > Micheliniidae (Family)
     Beaumontia N. Wallich, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
     Beaumontia David, 1928 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Merostomata (Class) > Eurypterida (Order) > Eurypterida (awaiting allocation) (Family)
 Beaumontia Schmid, 1958 accepted as Platycosmoecus Schmid, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Limnephilidae (Family)
 Beaumontia Eudes-Deslongchamps, 1856 † accepted as Eligmus Eudes-Deslongchamps, 1856 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Malleidae (Family)

Beaveria
     Beaveria Lee, 1965 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Troglotrematidae (Family)
 Beaveria Osella, 1983 accepted as Beaveriola Osella, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Beaveria Lane, 1970 accepted as Beaveriella Napp & Martins, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Bebelis
     Bebelis Thomson, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Bebelis Dejean, 1835 accepted as Bebelis Thomson, 1864 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Bebryce
     Bebryce Philippi, 1841 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Gorgonacea (Order) > Plexauridae (Family)
     Bebryce Thompson, 1844 accepted as Bebryce Thompson, 1844 (nomen nudum)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Sphaerodoridae (Family)

Beccabunga
     Beccabunga J.P. Fourreau, 1869 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
 Beccabunga J. Hill, 1756 accepted as Veronica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Beccaria
     Beccaria Müller Hal., 1872 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)
 Beccaria Massee, 1892 accepted as Cymatoderma Junghuhn, 1840 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Meruliaceae (Family)
 Beccaria Caporiacco, 1947 accepted as Noegus Simon, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Beccaria Gorham, 1885 accepted as Beccariola Arrow, 1943 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)
     Beccaria Bourguignat, 1883 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Achatinidae (Family)
 Beccaria Trinchese, 1870 accepted as Caliphylla A. Costa, 1867 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Caliphyllidae (Family)

Beccariella
     Beccariella Pierre, 1890 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)
 Beccariella Cesati, 1879 accepted as Cymatoderma Junghuhn, 1840 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Meruliaceae (Family)

Becheria
     Becheria Ohshima, 1936 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Apodida (Order) > Synaptidae (Family)
     Becheria Ridley, 1912 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Beckerella
     Beckerella Enderlein, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chloropidae (Family)
 Beckerella Kylin, 1956 accepted as Ptilophora Kützing, 1847 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Nemaliales (Order) > Gelidiaceae (Family)
 Beckerella Linnaniemi, 1912 accepted as Choreutinula Paclt, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Hypogastruridae (Family)

Beckeria
     Beckeria Jedlicka, 1931 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Beckeria Bernhardi, 1800 accepted as Melica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Beckeria Por, 1985 accepted as Metahuntemannia Smirnov, 1946 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Huntemanniidae (Family)

Beckerina
     Beckerina Wang & Liu in Wang, Liu & Li, 1992 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Beckerina Malloch, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)

Beckettia
 Beckettia E. Reid & M.E.J. Chandler, 1933 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Cornaceae (Family)
     Beckettia Müller Hal., 1898 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Pottiales (Order) > Pottiaceae (Family)

Beckia
     Beckia Lubbock, 1870 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > (Order) > Collembola (awaiting allocation) (Family)
     Beckia Bryant, 1968 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
     Beckia Elenkin, 1933 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Chroococcales (Order) > Gomphosphaeriaceae (Family)

Beckiella
     Beckiella Grandjean, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Dampfiellidae (Family)
 Beckiella Sæther, 1977 accepted as Beckidia Sæther, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Beckius
     Beckius Dechambre, 1992 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Beckius David, 1946 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Beckmannia
     Beckmannia Mohanti, 1972 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Hebetoechiidae (Family)
     Beckmannia Host, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Beckwithia
     Beckwithia Jepson, 1898 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
     Beckwithia Resser, 1933 † · Animalia (Kingdom) > Arthropoda (Phylum) > Arthropoda (awaiting allocation) (Class) > Aglaspidida (Order) > Beckwithiidae (Family)

Becquerelia
     Becquerelia Brongniart in Duperrey, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
     Becquerelia Brongniart, 1893 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Palaeodictyoptera (Order) > Palaeodictyoptera (awaiting allocation) (Family)

Beddomea
     Beddomea Nevill, 1878 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Beddomea Dautzenberg, 1900 accepted as Beddomeia Petterd, 1889 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
 Beddomea J.D. Hooker in Bentham & J.D. Hooker, 1862 accepted as Aglaia Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)

Bedelius
 Bedelius Ganglbauer, 1892 accepted as Calathus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Bedelius Jacobson, 1892 accepted as Calathus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Bedfordia
     Bedfordia A.P. de Candolle, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Bedfordia Mumford, 1942 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
 Bedfordia Fahrenholz, 1936 accepted as Scipio Cummings, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Polyplacidae (Family)
 Bedfordia Kéler, 1938 accepted as Felicola Ewing, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Trichodectidae (Family)

Beeria
     Beeria Hatch, 1957 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Beeria Hartig, 1963 accepted as Casama Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Beesha
 Beesha Kunth, 1822 accepted as Melocanna Trinius in K.P.J. Sprengel, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Beesha Munro, 1868 accepted as Ochlandra Thwaites, 1864 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Beesoniella
     Beesoniella Lallemand, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cercopidae (Family)
 Beesoniella Werner, 1935 accepted as Beesonula Uvarov, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Mantidae (Family)

Beethovenia
 Beethovenia Engel, 1865 accepted as Ceroxylon Bonpland ex A.P. de Candolle, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)
     Beethovenia García-Alcalde, 2014 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Strophodontidae (Family)

Befilaria
     Befilaria Chabaud, Petter & Golvan, 1961 (uncertain)· Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)
     Befilaria Chabaud, Anderson & Brygoo, 1959 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Onchocercidae (Family)

Beggiatoa
     Beggiatoa Trevisan, 1842 (Approved Lists, 1980) · Bacteria (Kingdom) > Proteobacteria (Phylum) > Gammaproteobacteria (Class) > Thiotrichales (Order) > Thiotrichaceae (Family)
 Beggiatoa Trevisan, 1845 accepted as Beggiatoa Trevisan, 1842 (Approved Lists, 1980) · Bacteria (Kingdom) > Proteobacteria (Phylum) > Gammaproteobacteria (Class) > Thiotrichales (Order) > Thiotrichaceae (Family)

Behen
     Behen J. Hill, 1762 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Behen Moench, 1794 accepted as Silene Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Beisselina
     Beisselina Canu, 1913 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Tessaradomidae (Family)
     Beisselina Voloshinova & Balakhmatova, 1959 † (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Bekkerella
     Bekkerella Reed, 1936 † (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
 Bekkerella Rosenstein, 1943 † accepted as Heterorthina Bancroft, 1928 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Dalmanellidae (Family)

Bela
     Bela Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Mangeliidae (Family)
     Bela Leach, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Mangeliidae (Family)

Belaria
     Belaria Epstein, 1941 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Belaria Saedeleer, 1934 · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Allogromiida (Order) > Lagynidae (Family)

Belciana
     Belciana Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Belciana Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Belemia
     Belemia J.M. Pires, 1981 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)
 Belemia Español, 1984 accepted as Trichobiopsis White, 1973 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)

Belemnita
     Belemnita Rafinesque, 1815 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Belemnita Fleming, 1828 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Belemnites
 Belemnites Gesner, 1758 † accepted as · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Belemnitida (Order) > Passaloteuthidae (Family)
 Belemnites Lamarck, 1799 † accepted as Passaloteuthis Lissajous, 1915 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Belemnitida (Order) > Passaloteuthidae (Family)

Belemnocrinus
     Belemnocrinus White, 1862 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Disparida (Order) > Disparida (awaiting allocation) (Family)
 Belemnocrinus Munier-Chalmas, 1876 † accepted as Belocrinus Munier-Chalmas, 1881 † · Animalia (Kingdom) > Echinodermata (Phylum) > Blastoidea (Class) > Blastoidea (awaiting allocation) (Order) > Blastoidea (awaiting allocation) (Family)

Belemnopsis
     Belemnopsis Edwards in Gray, 1849 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Belemnitida (Order) > Hastatidae (Family)
     Belemnopsis Bayle, 1878 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Belemnus
 Belemnus Fischer, 1817 accepted as Belemnus Fischer, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Belemnus Roewer, 1932 accepted as Belemnodes Strand, 1942 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Manaosbiidae (Family)

Beleogale
     Beleogale Peters, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Herpestidae (Family)
 Beleogale Marshall, 1873 accepted as Beleogale Peters, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Herpestidae (Family)

Belidus
 Belidus Mulsant & Rey, 1879 accepted as Bledius Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Belidus Mulsant & Rey, 1878 accepted as Bledius Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Belisarius
 Belisarius Maupas, 1892 accepted as Viguierella Perrier, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Phyllognathopodidae (Family)
     Belisarius Simon, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Scorpiones (Order) > Belisariidae (Family)

Bella
 Bella Pruthi, 1930 accepted as Stirellus Osborn & Ball, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
 Bella Ihering, 1907 accepted as Bela Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Conidae (Family)

Bellardia
     Bellardia Robineau-Desvoidy, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Calliphoridae (Family)
     Bellardia Rondani, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Bellardia Colla, 1835 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bellardia Schreber, 1791 accepted as Coccocypselum P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Bellardia C. Allioni, 1785 accepted as Bartsia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Orobanchaceae (Family)
 Bellardia Bucquoy, Dautzenberg & Dollfus, 1883 accepted as Comarmondia Monterosato, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Clathurellidae (Family)
 Bellardia Mayer, 1870 † accepted as Bellatara Strand, 1928 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pachychilidae (Family)

Bellardiella
     Bellardiella Tapparone Canefri, 1883 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Pupinidae (Family)
 Bellardiella P. Fischer, 1883 accepted as Comarmondia Monterosato, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Clathurellidae (Family)

Bellator
     Bellator Jordan & Evermann, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Triglidae (Family)
 Bellator Burukovsky & Averin, 1976 accepted as Thymopides Burukovsky & Averin, 1977 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Nephropidae (Family)

Bellatrix
     Bellatrix Boie, 1831 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Bellatrix Mazur, 2011 accepted as Pachylister Lewis, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)

Bellerophina
     Bellerophina d'Orbigny, 1843 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Bellerophina d'Orbigny, 1843 † accepted as Bellerophina d'Orbigny, 1843 † (nomen dubium)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Atlantidae (Family)

Bellevalia
     Bellevalia Lapeyrouse, 1808 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Bellevalia Scopoli, 1777 accepted as Bellevalia Scopoli, 1777 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)
 Bellevalia J.J. Roemer & J.A. Schultes accepted as Richeria M. Vahl, 1797 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)
 Bellevalia A.R. Delile ex S.F. Endlicher, 1836 accepted as Althenia Petit, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Potamogetonaceae (Family)

Bellia
     Bellia H. Milne Edwards, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Belliidae (Family)
 Bellia Bate, 1851 accepted as Bellia Bate, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Amphipoda (awaiting allocation) (Family)
 Bellia Tutt, 1902 accepted as Bellia Tutt, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Bellia Bubani, 1899 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Bellia Gray, 1869 accepted as Siebenrockiella Lindholm, 1929 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Bataguridae (Family)
 Bellia V.F. Brotherus in Engler & Prantl, 1907 accepted as Crosbya D.H. Vitt, 1977 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hookeriales (Order) > Hookeriaceae (Family)

Bellidiastrum
 Bellidiastrum C.F. Lessing, 1832 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Bellidiastrum J.A. Scopoli, 1760 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bellidiastrum A.H.G. de Cassini, 1816 accepted as Aster Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bellisporites
 Bellisporites S.A.J. Pocock, 1970 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
     Bellisporites B. Agrali in B. Agrali et al., 1965 † (uncertain)· Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Bellona
     Bellona Mulsant & Verreaux, 1866 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Bellona Giraud, 1860 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Bellona Reichenbach, 1852 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Bellona Lafont, 1871 accepted as Belone Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Beloniformes (Order) > Belonidae (Family)

Bellota
 Bellota C. Gay, 1851-1852 accepted as Ocotea Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Lauraceae (Family)
     Bellota Peckham & Peckham, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)

Belmontia
     Belmontia Tillyard, 1919 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mecoptera (Order) > Mecoptera (awaiting allocation) (Family)
 Belmontia C.G.M. Archibald, 1967 accepted as Anabaena Bory de Saint-Vincent ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Nostocaceae (Family)
 Belmontia E.H.F. Meyer, 1838 accepted as Sebaea Solander ex R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)

Belona
 Belona Le Sueur, 1821 accepted as Belone Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Beloniformes (Order) > Belonidae (Family)
 Belona Weise, 1901 accepted as Cannonia Hincks, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Belonaspis
     Belonaspis Haeckel, 1881 (uncertain)· Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Polycystinea (awaiting allocation) (Order) > Radiolaria (awaiting allocation) (Family)
     Belonaspis Janvier, 1985 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Agnatha (awaiting allocation) (Class) > Agnatha (awaiting allocation) (Order) > Agnatha (awaiting allocation) (Family)

Belone
     Belone Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Beloniformes (Order) > Belonidae (Family)
 Belone Oken, 1815 accepted as Belone Oken, 1815 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces incertae sedis (Family)

Belonella
 Belonella accepted as Bellonella Gray, 1862 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Alcyonacea (Order) > Alcyoniidae (Family)
 Belonella Lane, 1957 accepted as Taonius Steenstrup, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Cranchiidae (Family)

Belonia
     Belonia Körber, 1856 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Gyalectaceae (Family)
     Belonia Kirby, 1889 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Libellulidae (Family)
 Belonia Carmichael in Hookers, 1833 accepted as Anabaena Bory de Saint-Vincent ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Nostocaceae (Family)
 Belonia Fall, 1899 accepted as Eufallia Muttkowski, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Latridiidae (Family)

Belonidium
 Belonidium Ehrenberg, 1854 † accepted as · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Bacillariophyceae (awaiting allocation) (Order) > Bacillariophyceae (awaiting allocation) (Family)
     Belonidium Cossmann, 1892 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)
 Belonidium Durieu de Maisonneuve in Durieu de Maisonneuve & Montagne, 1848 accepted as Lachnum Retzius, 1795 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Hyaloscyphaceae (Family)

Beloniella
 Beloniella (Saccardo) Boudier, 1885 accepted as Odontura F.E. Clements, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Odontotremataceae (Family)
 Beloniella Th. Fries, 1877 accepted as Belonia Körber, 1856 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Gyalectaceae (Family)
 Beloniella H. Rehm, 1892 accepted as Calloria E.M. Fries, 1836 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiales incertae sedis (Family)

Belonopsis
     Belonopsis (P.A. Saccardo) P.A. Saccardo & P. Sydow, 1902 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Dermateaceae (Family)
     Belonopsis (Saccardo) Rehm, 1891 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Dermateaceae (Family)
 Belonopsis Brandt, 1854 accepted as Nemichthys Richardson, 1848 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Nemichthyidae (Family)

Belonoptera
     Belonoptera Hagen, 1861 accepted as Belonoptera Hagen, 1861 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Belonoptera Herrich-Schäffer, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Thyrididae (Family)

Belophorus
 Belophorus Agassiz, 1846 accepted as Belopherus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Belophorus Gemminger & Harold, 1872 accepted as Belopherus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Belophorus Sturm, 1843 accepted as Belopherus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)

Belorhynchus
 Belorhynchus Schönherr, 1838 accepted as Belorhynus Guérin-Ménéville, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dryophthoridae (Family)
 Belorhynchus Berthold, 1827 accepted as Nemorhinus Schönherr, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)

Belowia
 Belowia J.B. Riding & R. Helby, 2001 † accepted as · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Gonyaulacaceae (Family)
     Belowia Moquin-Tandon in Alph. de Candolle, 1849 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Beltrania
     Beltrania Penzig, 1882 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Beltrania F. Miranda, 1957 accepted as Enriquebeltrania J. Rzedowski, 1980 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

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

Beluga
     Beluga Gmelin, 1774 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Beluga Rafinesque, 1815 accepted as Delphinapterus Lacépède, 1804 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Monodontidae (Family)

Belvisia
     Belvisia Mirbel in Lamarck & Mirbel, 1802 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)
 Belvisia Desvaux, 1814 accepted as Napoleonaea Palisot de Beauvois, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Lecythidaceae (Family)

Bembecidium
     Bembecidium Motschoulsky, 1846 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Bembecidium Agassiz, 1847 accepted as Bembidion Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Bembicidium
 Bembicidium Rydberg, 1920 accepted as Poitea Ventenat, 1807 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Bembicidium Gemminger & Harold, 1868 accepted as Bembidion Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Bembidium
     Bembidium Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Bembidium Gyllenhal, 1810 accepted as Bembidion Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Bembix
     Bembix Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Sphecidae (Family)
     Bembix de Koninck, 1844 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Bembix Loureiro, 1790 accepted as Ancistrocladus Wallich, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Ancistrocladaceae (Family)
 Bembix Watson, 1879 accepted as Bathybembix Crosse, 1893 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda incertae sedis (Order) > Calliotropidae (Family)

Beneckeia
     Beneckeia Mojsisovics, 1882 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Ceratitida (awaiting allocation) (Family)
 Beneckeia Uhlig, 1882 † accepted as Silesites Uhlig, 1883 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Silesitidae (Family)

Benedenia
     Benedenia Lehrer, 1976 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
     Benedenia Diesing, 1858 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Capsalidea (Order) > Capsalidae (Family)
     Benedenia Foettinger, 1881 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Benedenia Schneider, 1875 accepted as Aggregata Frenzel, 1885 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Adeleida (Order) > Aggregatidae (Family)
 Benedenia Gray, 1864 accepted as Balaenoptera Lacépède, 1804 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Balaenopteridae (Family)

Benedeniella
     Benedeniella Johnston, 1929 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Capsalidea (Order) > Capsalidae (Family)
 Benedeniella Yamaguti, 1958 accepted as Benedeniella Johnston, 1929 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Capsalidea (Order) > Capsalidae (Family)

Benedictia
     Benedictia Dybowski, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Lithoglyphidae (Family)
     Benedictia Sanderson, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Bengana
 Bengana Gray, 1834 accepted as Bengala Gray, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Bengana Gray, 1835 accepted as Cyprinus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Bengtsonella
     Bengtsonella Müller & Hinz, 1991 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodontophorida (Order) > Conodonta (awaiting allocation) (Family)
     Bengtsonella Mostler, 1996 † (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Demospongiae (awaiting allocation) (Order) > Demospongiae (awaiting allocation) (Family)

Benjaminella
     Benjaminella Malloch, 1925 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chloropidae (Family)
 Benjaminella I.I. Tavares, 1981 accepted as Benjaminiomyces I.I. Tavares, 2000 · Fungi (Kingdom) > Ascomycota (Phylum) > Laboulbeniomycetes (Class) > Laboulbeniales (Order) > Laboulbeniaceae (Family)

Benjaminia
     Benjaminia Viereck, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Benjaminia C.F.P. Martius ex L. Benjamin in C.F.P. Martius, 1847 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)
     Benjaminia S. Ahmad, 1967 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Benjaminia Pidoplichko & Milko, 1971 accepted as Benjaminiella J.A. von Arx, 1981 · Fungi (Kingdom) > Zygomycota (Phylum) > Mucoromycetes (Class) > Mucorales (Order) > Mucoraceae (Family)

Bennetia
 Bennetia Rafinesque, 1830 accepted as Sporobolus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Bennetia accepted as Bennettiella Gibson, 1982 · Animalia (Kingdom) > Nemertea (Phylum) > Anopla (Class) > Heteronemertea (Order) > Lineidae (Family)

Bennettia
     Bennettia S.F. Gray, 1821 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bennettia Miquel, 1858 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)
 Bennettia Fowler, 1904 accepted as Lutjanus Bloch, 1790 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Lutjanidae (Family)
 Bennettia Clark, 1909 accepted as Cenolia A.H. Clark, 1916 · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Comatulida (Order) > Comasteridae (Family)
 Bennettia R. Brown in J.J. Bennett & R. Brown, 1852 accepted as Galearia Zollinger & Moritzi in Moritzi, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Pandaceae (Family)
 Bennettia Gibson, 1981 accepted as Bennettiella Gibson, 1982 · Animalia (Kingdom) > Nemertea (Phylum) > Anopla (Class) > Heteronemertea (Order) > Lineidae (Family)

Bennettites
 Bennettites N.A. Bolchovitina, 1959 † accepted as Bennettites N.A. Bolchovitina, 1959 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Bennettites W. Carruthers, 1870 † accepted as Cycadeoidea W. Buckland ex Lindley & W. Hutton, 1832 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Cycadopsida (Class) > Cycadeoideales (Order) > Cycadeoideaceae (Family)

Benoistia
     Benoistia Cossmann, 1900 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Brachytrematidae (Family)
     Benoistia H. Perrier de la Bâthie & J. Léandri in J. Léandri, 1938 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Benoistia Chopard, 1920 accepted as Benoistella Uvarov, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Paragryllidae (Family)

Benoitia
     Benoitia Lehtinen, 1967 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Agelenidae (Family)
     Benoitia Pallary, 1938 † accepted as Benoitia Pallary, 1938 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Bensonia
     Bensonia Malaise, 1935 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Bensonia Pfeiffer, 1855 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Ariophantidae (Family)
 Bensonia L. Abrams & R. Bacigalupi, 1929 accepted as Bensoniella C.V. Morton, 1965 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
     Bensonia Rossi de Garcia, 1969 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Cytherettidae (Family)
 Bensonia Gray, 1847 accepted as Laguncula Benson, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Naticidae (Family)
 Bensonia Buckman in Murchison, 1845 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliopsida (awaiting allocation) (Order) > Magnoliopsida (awaiting allocation) (Family)

Bensteinia
     Bensteinia E.A. Christenson, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Bensteinia E.A. Christenson, 2006 accepted as Bensteinia E.A. Christenson, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Benthamara
     Benthamara L.A. Garay & H.R. Sweet, 1966 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Benthamara Hort., 1974 accepted as Nashara Hort., 1974 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Benthamia
     Benthamia A. Richard, 1828 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Benthamia J. Lindley, 1833 accepted as Cornus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Cornaceae (Family)

Benthocrinus
     Benthocrinus Verrill, 1885 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Cladida (Order) > Cladida (awaiting allocation) (Family)
     Benthocrinus Wanner, 1937 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)

Benthosaurus
     Benthosaurus Efremov, 1929 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
 Benthosaurus Goode & Bean, 1886 accepted as Bathypterois Günther, 1878 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Aulopiformes (Order) > Ipnopidae (Family)

Benzingia
     Benzingia C.H. Dodson, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Benzingia C.H. Dodson, 1995 accepted as Benzingia C.H. Dodson, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Benzingia C.H. Dodson, 1989 accepted as Benzingia C.H. Dodson, 2010 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Benzoin
 Benzoin Hayne, 1830 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Styracaceae (Family)
 Benzoin Boerhaave ex J.C. Schaeffer, 1760 accepted as Lindera Thunberg, 1783 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Lauraceae (Family)

Bephratoides
     Bephratoides Brues, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eurytomidae (Family)
 Bephratoides Girault, 1913 accepted as Bephratelloides Girault, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eurytomidae (Family)

Bequaertia
     Bequaertia Wilczek, 1956 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Celastrales (Order) > Celastraceae (Family)
     Bequaertia Schouteden, 1913 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Bequaertomyia
     Bequaertomyia Séguy, 1937 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Bequaertomyia Brennan, 1935 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Beraea
     Beraea Stephens, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Beraeidae (Family)
     Beraea Stephens, 1833 accepted as Beraea Stephens, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Beraeidae (Family)

Beraeodes
     Beraeodes Eaton, 1867 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Beraeidae (Family)
 Beraeodes McLachlan, 1879 accepted as Beraeodes McLachlan, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Beraeidae (Family)

Berardia
     Berardia Villars, 1779 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Berardia A.T. Brongniart, 1826 accepted as Nebelia Necker ex Sweet, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Bruniales (Order) > Bruniaceae (Family)

Berberia
     Berberia Berkowski, 2008 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Hapsiphyllidae (Family)
     Berberia De Lesse, 1951 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Berberonyx
 Berberonyx Jeannel, 1956 accepted as Amauronyx Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Berberonyx Korotyaev, 1993 accepted as Thamiocolus Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Berdura
     Berdura Möschler, 1886 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Berdura Reitter, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Berea
 Berea Yamaguti, 1963 accepted as Bereacanthus Huys, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Chondracanthidae (Family)
 Berea Péringuey, 1926 accepted as Cyrtomoscelis de Chaudoir, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Berecyntha
     Berecyntha Gistl, 1834 accepted as Berecyntha Gistl, 1834 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Berecyntha Baly, 1865 accepted as Aplosonyx Chevrolat, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Berecynthia
     Berecynthia Reichenbach, 1852 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Berecynthia Gistl, 1848 accepted as Berecynthia Gistl, 1848 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Sphaeronectidae (Family)

Berendtia
     Berendtia Townsend, 1921 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Berendtia Crosse & Fischer, 1869 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Orthalicidae (Family)
     Berendtia Göppert in Berendt, 1845 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliopsida (awaiting allocation) (Order) > Magnoliopsida (awaiting allocation) (Family)
 Berendtia A. Gray, 1868 accepted as Hemichaena Bentham, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Phrymaceae (Family)

Berengeria
     Berengeria Gil-Santana & Coletto-Silva, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
 Berengeria Trevisan, 1852-1853 accepted as Rinodina (Acharius) S.F. Gray, 1821 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Physciaceae (Family)

Berenice
     Berenice L.R. Tulasne, 1857 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)
 Berenice R.A. Salisbury, 1866 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliales (awaiting allocation) (Family)
 Berenice Eschscholtz, 1829 accepted as Berenix Péron & Lesueur, 1810 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Berenicidae (Family)

Bergamosoma
     Bergamosoma Hoffman, 1979 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Chordeumatida (Order) > Craspedosomatidae (Family)
     Bergamosoma Verhoeff, 1931 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Diplopoda (awaiting allocation) (Order) > (Family)

Bergenia
     Bergenia Moench, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
 Bergenia Necker ex Rafinesque, 1838 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)
     Bergenia Steindachner, 1867 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)

Bergeretia
     Bergeretia Desvaux, 1815 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Bergeretia Bubani, 1901 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Bergeria
     Bergeria K.B. Presl in Sternberg, 1838 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lycopodiopsida (awaiting allocation) (Order) > Lycopodiopsida (awaiting allocation) (Family)
     Bergeria Kiriakoff, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Bergeriella
     Bergeriella Xie & Yokota, 2005 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Betaproteobacteria (Class) > Neisseriales (Order) > Neisseriaceae (Family)
     Bergeriella Liu, Shao, Gong, Li, Lin & Song, 2010 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Bergeriellidae (Family)

Bergeronia
     Bergeronia M. Micheli, 1883 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Bergeronia Sun, 1937 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Lichida (Order) > Damesellidae (Family)
     Bergeronia Matthew, 1895 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Berggrenia
     Berggrenia M.C. Cooke, 1879 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pezizales incertae sedis (Family)
     Berggrenia Parker, 1976 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Globigerinida (Order) > Globorotaliidae (Family)

Bergia
     Bergia Bertoni, 1901 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Bergia Scott, 1881 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Delphacidae (Family)
     Bergia Bürger, 1890 · Animalia (Kingdom) > Nemertea (Phylum) > Enopla (Class) > Hoplonemertea (Order) > Drepanophoridae (Family)
     Bergia Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Elatinaceae (Family)
 Bergia A.E. Fürnrohr, 1829 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Funariales (Order) > Funariaceae (Family)
 Bergia Steindachner, 1891 accepted as Pseudocorynopoma Perugia, 1891 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Characidae (Family)
     Bergia Duchassaing & Michelotti, 1860 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Zoantharia (Order) > Parazoanthidae (Family)

Bergiella
     Bergiella Melichar, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Issidae (Family)
     Bergiella Baker, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Bergiella Stshelkanovtzev, 1907 accepted as Bergiola Stshelkanovtzev, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Bergiella Eigenmann & Norris, 1900 accepted as Bergiaria Eigenmann & Norris, 1901 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Pimelodidae (Family)

Bergrothia
     Bergrothia Reitter, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Bergrothia Kraatz, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)

Bergrothiella
 Bergrothiella Reitter, 1898 accepted as Trionymus Berg, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)
 Bergrothiella Reitter, 1897 accepted as Bergrothia Reitter, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Beria
     Beria Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Rhiniidae (Family)
     Beria Walker, 1863 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Beringia
     Beringia Perestenko, 1975 · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodophyta incertae sedis (Class) > Cryptonemiales (Order) > Kallymeniaceae (Family)
 Beringia R.A. Price, I.A. Al-Shehbaz & S.L. O'Kane, 2001 accepted as Crucihimalaya I.A. Al-Shehbaz, S.L. O'Kane & R.A. Price, 1999 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Beringiella
     Beringiella J.P. Bujak, 1984 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Dinophyceae incertae sedis (Order) > Questionable dinoflagellates (Fensome et al.) (Family)
     Beringiella M.J. Wynne, 1980 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)

Beringius
     Beringius Dall, 1886 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Buccinidae (Family)
     Beringius Dall, 1879 accepted as Beringius Dall, 1886 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Buccinidae (Family)

Berkeleya
     Berkeleya Greville, 1827 · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Naviculales (Order) > Berkeleyaceae (Family)
     Berkeleya Hartman, 1971 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Orbiniida (Order) > Orbiniidae (Family)
 Berkeleya auct. [misspelling] accepted as Berkeleyia Hartman, 1971 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Orbiniida (Order) > Orbiniidae (Family)

Berkutaspis
     Berkutaspis Lisogor, 1977 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)
     Berkutaspis Lisogor, 1974 † accepted as Berkutaspis Lisogor, 1977 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)

Berla
     Berla White, 1847 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Berla Bubani, 1900 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Berlandia
     Berlandia Lessert, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Sparassidae (Family)
 Berlandia Dalmas, 1921 accepted as Berlandina Dalmas, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Gnaphosidae (Family)

Berlandiella
     Berlandiella Mello-Leitão, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Philodromidae (Family)
     Berlandiella Davis, 1939 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Embiodea (Order) > Embiodea (awaiting allocation) (Family)

Berlepschia
     Berlepschia Ridgway, 1887 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Furnariidae (Family)
     Berlepschia Bertoni, 1901 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)

Berlesia
     Berlesia Canestrini, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
 Berlesia Piersig, 1896 accepted as Lebertia Neumann, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Lebertiidae (Family)

Berlesiella
     Berlesiella Hammer, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Haplozetidae (Family)
 Berlesiella P.A. Saccardo, 1888 accepted as Capronia P.A. Saccardo, 1883 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Chaetothyriales (Order) > Herpotrichiellaceae (Family)

Bernardia
     Bernardia Ashmead, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coccidae (Family)
     Bernardia Vianey-Liaud, 1991 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Theridomyidae (Family)
     Bernardia P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Bernardia Playfair, 1917 accepted as Lagerheimia R.Chodat, 1895 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Oocystales (Order) > Oocystaceae (Family)

Bernardinella
     Bernardinella Pascher, 1922 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Bernardinella R. Chodat, 1921 accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chlamydomonadales (Order) > Chlorococcaceae (Family)

Bernardinia
     Bernardinia Preston in Coen, 1945 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Bernardinia J.E. Planchon, 1850 accepted as Rourea Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Oxalidales (Order) > Connaraceae (Family)

Bernayia
     Bernayia Cossmann, 1887 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Bernayia Harris, 1897 accepted as Bernaya Jousseaume, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Cypraeidae (Family)

Bernhardia
     Bernhardia Datta & Chaudhuri, 1992 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)
 Bernhardia Willdenow ex Bernhardi, 1801 accepted as Psilotum O. Swartz, 1801 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Psilotales (Order) > Psilotaceae (Family)
 Bernhardia T.E. von Post & C.E.O. Kuntze accepted as Bernardia P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Bernia
     Bernia Allred & Beck, 1966 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Trombiculidae (Family)
     Bernia Frederickson, 1949 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphida (awaiting allocation) (Family)

Bernicla
     Bernicla Oken, 1817 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Anseriformes (Order) > Anatidae (Family)
     Bernicla Röding, 1798 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Berniera
 Berniera Fisher, 1903 accepted as Berniera Fisher, 1903 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Berniera A.P. de Candolle, 1838 accepted as Berniera A.P. de Candolle, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bernieria
     Bernieria Bonaparte, 1854 accepted as Bernieria Bonaparte, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Bernieria Pucheran, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Bernieria Baillon, 1884 accepted as Beilschmiedia C.G.D. Nees in Wallich, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Lauraceae (Family)

Berniniella
     Berniniella Özdikmen, 2008 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oribatellidae (Family)
     Berniniella Balogh, 1983 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oppiidae (Family)

Bernoullia
     Bernoullia D. Oliver, 1873 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Bernoullia O. Heer, 1877 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridophyta/Pteridospermophyta (unclassified foliage) (Class) > Pteridophyta/Pteridospermophyta (awaiting allocation) (Order) > Pteridophytes/Pteridosperms (awaiting allocation) (Family)

Beroe
     Beroe Gronov, 1760 · Animalia (Kingdom) > Ctenophora (Phylum) > Nuda (Class) > Beroida (Order) > Beroidae (Family)
     Beroe Browne, 1756 · Animalia (Kingdom) > Ctenophora (Phylum) > Nuda (Class) > Beroida (Order) > Beroidae (Family)

Beroides
     Beroides Quoy & Gaimard in de Blainville, 1830 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Beroides † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Stenothecoida (Class) > Stenothecoidea (Order) > Stenothecoidea (awaiting allocation) (Family)

Berosiris
 Berosiris Pascoe, 1874 accepted as Mechistocerus Fauvel, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Berosiris Lea, 1907 accepted as Dystropicus Pascoe, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Berrya
     Berrya Roxburgh, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Berrya Knowlton, 1930 † accepted as · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
 Berrya Hoyle, 1939 accepted as Danoctopus Joubin, 1933 · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Octopoda (Order) > Octopodidae (Family)

Berta
     Berta Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Berta Kirkaldy, 1902 accepted as Bertsa Kirkaldy, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Bertella
     Bertella Pietsch, 1973 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lophiiformes (Order) > Oneirodidae (Family)
 Bertella Paetel, 1875 accepted as Berthella Blainville, 1824 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Pleurobranchomorpha (Order) > Pleurobranchidae (Family)

Bertholdia
 Bertholdia F.Schmitz, 1889 accepted as Schmitzia P.C. Silva, 1959 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Calosiphoniaceae (Family)
     Bertholdia Lagerheim, 1889 accepted as Bertholdia Lagerheim, 1889 (nomen dubium)· Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Chaetopeltidales (Order) > Chaetopeltidaceae (Family)
     Bertholdia Schaus, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Bertia
     Bertia Ancey, 1887 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Dyakiidae (Family)
     Bertia De Notaris, 1844 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Coronophorales (Order) > Bertiaceae (Family)
 Bertia Blanchard, 1891 accepted as Bertiella Stiles & Hassall, 1902 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Anoplocephalidae (Family)

Bertiella
     Bertiella Gonz. Fragoso & Ciferri, 1926 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Coronophorales (Order) > Bertiaceae (Family)
     Bertiella Stiles & Hassall, 1902 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Anoplocephalidae (Family)
 Bertiella Kirschstein, 1906 accepted as Nitschkia G.H. Otth ex P.A. Karsten, 1873 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Coronophorales (Order) > Nitschkiaceae (Family)
 Bertiella (P.A. Saccardo) P.A. Saccardo & P. Sydow, 1899 accepted as Massarina P.A. Saccardo, 1883 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Massarinaceae (Family)
 Bertiella Ruedemann, 1925 † accepted as Pararenicola Wang, 1983 † · Animalia (Kingdom) > Problematica (Phylum) > (Class) > Sinosabelliditida (Order) > Protoarenicolidae (Family)

Bertilia
     Bertilia Reuter, 1913 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Bertilia G.V. Cron, 2013 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bertolonia
     Bertolonia Raddi, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Bertolonia Spin, 1809 accepted as Bertolonia Spin, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
 Bertolonia K.P.J. Sprengel, 1820 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Clusiaceae (Family)

Bertrandia
     Bertrandia Pic, 1943 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Psephenidae (Family)
 Bertrandia R. Heim, 1936 accepted as Hygrocybe (E.M. Fries) P. Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Hygrophoraceae (Family)

Bertrandiella
 Bertrandiella R. Heim, 1966 accepted as Lactocollybia Singer, 1939 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Marasmiaceae (Family)
     Bertrandiella Paredes-León, Klompen & Pérez, 2012 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Pterygosomatidae (Family)

Berus
 Berus Oken, 1816 accepted as Berus Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Viperidae (Family)
 Berus Motschoulsky, 1864 accepted as Cymindis Latreille, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Berzelia
     Berzelia A.T. Brongniart, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Bruniales (Order) > Bruniaceae (Family)
     Berzelia C.F.P. Martius, 1825 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Besnoitia
     Besnoitia Henry, 1913 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Eimeriida (Order) > Sarcocystidae (Family)
     Besnoitia Franco & Borges, 1916 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Bessera
     Bessera J.H. Schultes, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Bessera Vellozo, 1829 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)
 Bessera J.A. Schultes, 1809 accepted as Bessera J.A. Schultes, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
 Bessera K.P.J. Sprengel, 1815 accepted as Flueggea Willdenow, 1806 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Bessia
     Bessia Rafinesque, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Bessia Pocock, 1900 accepted as Spiroctenus Simon, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Bemmeridae (Family)

Bestiola
     Bestiola Pulawski & Rasnitsyn in Rasnitsyn, Pulawski & Martinez-Delclos, 1999 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Bestiola Nikol'skaya, 1963 accepted as Proaphelinoides Girault, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Aphelinidae (Family)
 Bestiola Andronov, 1972 accepted as Bestiolina Andronov, 1991 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Paracalanidae (Family)

Beta
     Beta de Saussure, 1855 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Beta Dalla Torre, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Beta Brunner, 1893 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Beta Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Beta Dillon & Dillon, 1945 accepted as Pseudobeta Zajciw, 1972 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Betaraia
     Betaraia Jordan, 1925 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Betaraia Leigh-Sharpe, 1924 accepted as Raja Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rajidae (Family)

Bethia
     Bethia de Laubenfels, 1936 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
     Bethia Sutton, Briggs, Siveter & Siveter, 2005 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Orthida incertae sedis (Family)

Bethyllus
 Bethyllus Panzer, 1806 accepted as Bethyllus Panzer, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Bethylidae (Family)
 Bethyllus Cabanis, 1847 accepted as Bethyllus Cabanis, 1847 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Bethylus
     Bethylus Cuvier & Dumont, 1816 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Bethylus Latreille, 1802 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Bethylidae (Family)

Betousa
     Betousa Walker, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
 Betousa Walker, 1865 accepted as Bucinna Walker, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Betroka
     Betroka Petersen, 1988 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)
     Betroka Viette, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Depressariidae (Family)

Bettonia
     Bettonia Beddard, 1903 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
     Bettonia Butler, 1898 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Bettonia Whittard, 1956 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphida (awaiting allocation) (Family)
 Bettonia Waterhouse, 1905 accepted as Brachymitra Kolbe, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Bettotania
     Bettotania Willemse, 1933 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Bettotania Miller, 1941 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)

Betula
     Betula Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Betulaceae (Family)
 Betula Ashmead, 1902 accepted as Betyla Cameron, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Diapriidae (Family)

Betuloxylon
     Betuloxylon Kaiser, 1880 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fagales (Order) > Betulaceae (Family)
 Betuloxylon E. Hofmann, 1944 † accepted as Betuloxylon E. Hofmann, 1944 † · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Beushausenia
     Beushausenia Mailleux, 1913 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Beushausenia Cossmann, 1897 † accepted as Parallelodon Meek & Worthen, 1866 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Arcida (Order) > Parallelodontidae (Family)

Beyeria
     Beyeria Miquel, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Beyeria Fenyes, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Beyrichia
     Beyrichia M'Coy in Griffith, 1846 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Beyrichiidae (Family)
 Beyrichia Chamisso & D.F.L. Schlechtendal, 1828 accepted as Achetaria Chamisso & D.F.L. Schlechtendal, 1827 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)
     Beyrichia Boll, 1847 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Beyrichiidae (Family)

Beyrichocrinus
     Beyrichocrinus Waagen & Jahn in Barrande, 1899 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)
     Beyrichocrinus Jaekel, 1918 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)

Bezdekia
     Bezdekia Warchalowski, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Bezdekia Özdikmen & Demir, 2008 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Bezoardicella
     Bezoardicella Habe, 1962 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Bezoardicella Habe, 1961 accepted as Phalium Link, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Cassidae (Family)

Bhatia
     Bhatia Distant, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Bhatia W.A. Baker & G.A. Morgan-Jones in Gams, Seifert & Morgan-Jones, 2009 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Bhawania
     Bhawania Schmarda, 1861 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Chrysopetalidae (Family)
 Bhawania accepted as Bhavania Hora, 1920 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Balitoridae (Family)

Bia
     Bia Hübner, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Bia Klotzsch, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Bia Hope, 1840 accepted as Bius Mulsant, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Bia Weise, 1896 accepted as Discomorpha Chevrolat, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Biacantha
     Biacantha Wolfgang, 1954 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Molineidae (Family)
     Biacantha Martynova, 1971 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > (Order) > Collembola (awaiting allocation) (Family)

Biala
     Biala J. Schiller, 1926 (uncertain)· Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Dinophyceae (awaiting allocation) (Order) > Dinophyceae (awaiting allocation) (Family)
     Biala del Valle & Medina, 1980 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Mesogastropoda (Order) > Mesogastropoda (awaiting allocation) (Family)

Biantella
     Biantella Roewer, 1949 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Biantella Roewer, 1927 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Biantidae (Family)

Biasolettia
 Biasolettia A. Bertoloni, 1837 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Biasolettia W.D.J. Koch, 1836 accepted as Geocaryum Cosson, 1851 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Biasolettia K.B. Presl, 1835 accepted as Hernandia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Hernandiaceae (Family)

Biastes
     Biastes Walker, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Biastes Panzer, 1806 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Apidae (Family)
 Biastes Reichenbach, 1853 accepted as Biatas Cabanis in Cabanis & Heine, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Thamnophilidae (Family)

Biatora
     Biatora E.M. Fries, 1817 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Ramalinaceae (Family)
 Biatora Acharius, 1810 accepted as Stenhammarella H. Hertel, 1967 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Pertusariales (Order) > Pertusariaceae (Family)

Bibia
     Bibia Gray, 1841 accepted as Bibia Gray, 1841 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Bibia Gray, 1855 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Bibio
 Bibio Fabricius, 1775 accepted as Thereva Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Therevidae (Family)
     Bibio Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bibionidae (Family)

Bibionus
     Bibionus Curran, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Blephariceridae (Family)
 Bibionus Rafinesque, 1815 accepted as Thereva Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Therevidae (Family)

Biblis
     Biblis Fabricius, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
     Biblis Lesson, 1840 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Biblis Lesson, 1837 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Bibundia
     Bibundia Bischoff, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachiniscidae (Family)
     Bibundia Poppius, 1914 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Bicarinella
     Bicarinella Rode, Lieberman & Rowell, 2003 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Bicarinella Akopyan, 1976 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Gosseletinidae (Family)

Bicellaria
     Bicellaria Macquart, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Hybotidae (Family)
 Bicellaria de Blainville, 1830 accepted as Bicellariella Levinsen, 1909 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Bugulidae (Family)

Bicoeca
 Bicoeca Doflein, 1927-29 accepted as Bicosoeca H.J.Clark, 1866 · Chromista (Kingdom) > Bigyra (Phylum) > Bikosea (Class) > Bicoecida (Order) > Bicosoecidae (Family)
 Bicoeca H. James-Clark, 1866 accepted as Bicosoeca H.J.Clark, 1866 · Chromista (Kingdom) > Bigyra (Phylum) > Bikosea (Class) > Bicoecida (Order) > Bicosoecidae (Family)

Bicorbula
     Bicorbula Fischer, 1887 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Myoida (Order) > Corbulidae (Family)
 Bicorbula Condra & Elias, 1945 † accepted as Bicorbis Condra & Elias, 1945 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Fenestrida (Order) > Polyporidae (Family)

Bicorium
     Bicorium Meyer, 1880 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Bicorium V.P. Maslov, 1956 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Bicornella
     Bicornella Coryell & Cuskley, 1934 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Palaeocopida (awaiting allocation) (Family)
     Bicornella Bugrova, 2003 † (uncertain)· Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Oligotrichida (Order) > Oligotrichida (awaiting allocation) (Family)
 Bicornella J. Lindley, 1834 accepted as Cynorkis Du Petit-Thouars, 1809 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Bicorona
     Bicorona Millard, 1966 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Corynidae (Family)
     Bicorona Alph. de Candolle, 1844 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Bicosta
     Bicosta R. Ochyra, 2003 · Plantae (Kingdom) > Bryophyta (Phylum) > Andreaeopsida (Class) > Andreaeales (Order) > Andreaeaceae (Family)
     Bicosta B.S.C. Leadbeater, 1978 · Protozoa (Kingdom) > Choanozoa (Phylum) > Choanoflagellatea (Class) > Acanthoecida (Order) > Acanthoecidae (Family)

Bicrista
 Bicrista O. Kuntze, 1898 accepted as · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Dictyotales (Order) > Dictyotaceae (Family)
     Bicrista Pasteels, 1949 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tenthredinidae (Family)

Bidens
     Bidens Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Bidens Fischer, 1814 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
 Bidens Spix, 1824 accepted as Harpagus Vigors, 1924 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Accipitridae (Family)

Bidentia
     Bidentia Walcott, 1912 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Bidentia Musper, 1920 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Bidera
     Bidera Krall & Krall, 1973 accepted as Heterodera Schmidt, 1871 (nomen nudum)· Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Heteroderidae (Family)
 Bidera Krall & Krall, 1978 accepted as Heterodera Schmidt, 1871 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Heteroderidae (Family)

Bidigitus
     Bidigitus Smith, 1967 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tenthredinidae (Family)
     Bidigitus Valentine, 2005 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Dalmanellidae (Family)

Bielawskia
     Bielawskia Marcuzzi, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Bielawskia Iablokoff-Khnzorian, 1984 accepted as Illeis Mulsant, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)

Bielzia
     Bielzia Clessin, 1887 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Limacidae (Family)
     Bielzia Schur, 1866 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bielzia Verhoeff, 1896 accepted as Entomobielzia Verhoeff, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Chordeumatida (Order) > Entomobielziidae (Family)

Bifaria
 Bifaria (Hackel) O. Kuntze, 1898 accepted as Mesosetum Steudel, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Bifaria Van Tieghem, 1896 accepted as Korthalsella Van Tieghem, 1896 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Santalaceae (Family)

Bifida
     Bifida Davidson, 1882 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Anoplothecidae (Family)
 Bifida Stackhouse, 1809 accepted as Rhodophyllis Kützing, 1847 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Cystocloniaceae (Family)

Biflabellum
 Biflabellum Döderlein, 1913 accepted as Monomyces Ehrenberg, 1834 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Flabellidae (Family)
 Biflabellum Oepik, 1935 † accepted as Oepikium Agnew, 1942 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Palaeocopida (Order) > Tetradellidae (Family)

Bifolium
     Bifolium Elliott, 1948 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Thecidellinidae (Family)
     Bifolium P.G. Gaertner, B. Meyer & J. Scherbius, 1799 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)
 Bifolium Petiver ex Nieuwland, 1913 accepted as Listera R. Brown in W.T. Aiton, 1813 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Bifora
     Bifora G.F. Hoffmann, 1816 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Bifora Agassiz, 1846 accepted as Bifora Agassiz, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Thaliacea (Class) > Salpida (Order) > Salpidae (Family)

Bifrontia
     Bifrontia Norman, 1872 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Naetrocymbaceae (Family)
 Bifrontia Deshayes, 1832 † accepted as Omalaxis Deshayes, 1830 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Omalaxidae (Family)

Bifurca
     Bifurca Fibiger, Zilli & Ronkay, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Bifurca de Joannis, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Bigelovia
 Bigelovia K.P.J. Sprengel, 1820 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)
 Bigelovia accepted as Bigelowia A.P. de Candolle, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bigelovia K.P.J. Sprengel, 1824 accepted as Spermacoce Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Bigelovia J.E. Smith in Rees, 1819 accepted as Forestiera Poiret in Lamarck, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Oleaceae (Family)

Bigelowia
 Bigelowia Rafinesque, 1817 accepted as Bigelowia Rafinesque, 1817 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)
     Bigelowia A.P. de Candolle, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bigelowia Macdonald & Clench, 1934 accepted as Chiroteuthis d'Orbigny [in Férussac & d'Orbigny], 1841 · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Chiroteuthidae (Family)

Biggaria
 Biggaria Kahl, 1934 accepted as Biggaria Aescht, 2001 · Chromista (Kingdom) > Ciliophora (Phylum) > Oligohymenophorea (Class) > Scuticociliatida (Order) > Cryptochilidae (Family)
     Biggaria Aescht, 2001 · Chromista (Kingdom) > Ciliophora (Phylum) > Oligohymenophorea (Class) > Scuticociliatida (Order) > Cryptochilidae (Family)

Biglandularia
     Biglandularia H. Karsten, 1857 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
 Biglandularia B.C. Seemann, 1868 accepted as Sinningia C.G.D. Nees, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Bigotella
     Bigotella Cossmann, 1914 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
 Bigotella Nicolesco, 1916 † accepted as Bigotites Nicolesco, 1918 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Bigotinops
     Bigotinops Hupé, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Protolenidae (Family)
     Bigotinops Hupé, 1952 † accepted as Bigotinops Hupé, 1952 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Protolenidae (Family)

Bilgramia
     Bilgramia K.S. Panwar, D.K. Purohit & J.S. Chouhan, 1974 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Bilgramia R.N. Yadava, 1990 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Sphaeropleales (Order) > Scenedesmaceae (Family)

Bilimbia
 Bilimbia H.G.L. Reichenbach, 1837 accepted as Bilimbia H.G.L. Reichenbach, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Oxalidales (Order) > Oxalidaceae (Family)
 Bilimbia G. De Notaris, 1846 accepted as Mycobilimbia H. Rehm, 1890 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Lecanorales incertae sedis (Family)

Billardiera
     Billardiera J.E. Smith, 1793 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Pittosporaceae (Family)
 Billardiera Moench, 1794 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)
 Billardiera M. Vahl, 1896 accepted as Coussarea Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Billbergia
     Billbergia Thunberg, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Bromeliaceae (Family)
     Billbergia Blackwelder, 1947 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dryophthoridae (Family)

Billingsia
     Billingsia Walcott, 1886 † accepted as Billingsia Walcott, 1886 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Billingsia Koninck, 1877 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Billingsia Ford, 1886 † accepted as Elkania Ford, 1886 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Elkaniidae (Family)
 Billingsia Miller, 1889 † accepted as Matherella Walcott, 1912 † · Animalia (Kingdom) > Mollusca (Phylum) > Helcionelloida (Class) > Onychochiliformes (Order) > Onychochilidae (Family)

Billingsites
     Billingsites Hyatt, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ascocerida (Order) > Ascoceratidae (Family)
     Billingsites Monnet & Bucher, 2005 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Beyrichitidae (Family)

Billotia
     Billotia Schmitz, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)
 Billotia C.H. Schultz-Bipontinus, 1841 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Billotia R. Brown ex G. Don, 1832 accepted as Agonis (A.P. de Candolle) Sweet, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)

Biloba
 Biloba Janse, 1954 accepted as Bilobata Vari in Vari & Kroon, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)
 Biloba Stach, 1949 accepted as Neanura Macgillivray, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Neanuridae (Family)

Bilobatus
     Bilobatus Machatschke, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Bilobatus Sieg, 1993 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Tanaidacea (Order) > Apseudidae (Family)

Bilobites
     Bilobites Rafinesque, 1831 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Bilobites J.E. Dekay, 1824 † · Animalia (Kingdom) > Mollusca (Phylum) > Rostroconchia (Class) > Conocardioida (Order) > Conocardiidae (Family)
 Bilobites Quenstedt, 1869 † accepted as Dicoelosia † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Dicoelosiidae (Family)

Bilyella
     Bilyella Majer, 1988 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melyridae (Family)
 Bilyella Bellamy, 1998 accepted as Bilyesta Bellamy, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Bimulticavea
     Bimulticavea Schafhäutl, 1863 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Bimulticavea d'Orbigny, 1853 † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)

Bimuria
     Bimuria Ulrich & Cooper, 1942 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Bimuriidae (Family)
     Bimuria D.L. Hawksworth, C.Y. Chea & J.E. Sheridan, 1979 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Montagnulaceae (Family)

Binaria
 Binaria Szépligeti, 1904 accepted as Binaria Szépligeti, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Binaria Rafinesque, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Bindera
 Bindera J.Agardh, 1841 accepted as · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Ceramiaceae (Family)
     Bindera Rafinesque, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bindera Harvey, 1859 accepted as Webervanbossea G. De Toni, 1936 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Rhodymeniales (Order) > Faucheaceae (Family)

Binderella
     Binderella Roewer, 1935 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Assamiidae (Family)
 Binderella F.Schmitz, 1896 accepted as Amphiplexia J.Agardh, 1892 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Acrotylaceae (Family)

Bingeria
     Bingeria Martinsson, 1962 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Leperditicopida (Order) > Leperditicopida (awaiting allocation) (Family)
 Bingeria A. Chevalier, 1909 accepted as Turraeanthus Baillon, 1874 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Meliaceae (Family)

Binghamia
     Binghamia J.Agardh, 1894 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Rhodymeniales (Order) > Lomentariaceae (Family)
     Binghamia Tutt, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
 Binghamia N.L. Britton & J.N. Rose, 1920 accepted as Espostoa N.L. Britton & J.N. Rose, 1920 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
 Binghamia Parr, 1937 accepted as Talismania Goode & Bean, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Alepocephalidae (Family)
 Binghamia Farlow MS accepted as Binghamia J.Agardh, 1894 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Rhodymeniales (Order) > Lomentariaceae (Family)

Binghamiella
 Binghamiella Setchell & E.Y.Dawson, 1941 accepted as Binghamia J.Agardh, 1894 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Rhodymeniales (Order) > Lomentariaceae (Family)
 Binghamiella Cockerell, 1907 accepted as Callomelitta Smith, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Colletidae (Family)

Binoculus
 Binoculus Demoulin, 1954 accepted as Prosopistoma Latreille, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Prosopistomatidae (Family)
 Binoculus Fourcroy, 1785 accepted as Prosopistoma Latreille, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Prosopistomatidae (Family)
 Binoculus von Nordmann, 1832 accepted as Dinemoura Latreille in Cuvier, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pandaridae (Family)
 Binoculus Geoffroy St. Hilaire, 1762 accepted as · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Arguloida (Order) > Argulidae (Family)

Binotia
     Binotia Blanchard, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
     Binotia Rolfe, 1905 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Bion
     Bion H. Lohmann, 1904 † · Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Bion Cambridge, 1898 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Bion Rehn, 1937 accepted as Bionoblatta Rehn, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)

Bionesus
     Bionesus Fairmaire, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Bionesus Kulzer, 1966 accepted as Strongylium Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Bioppia
 Bioppia Mahunka, 1983 accepted as Ramusella Hammer, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oppiidae (Family)
 Bioppia Mahunka & Guido Paoletti, 1984 accepted as Ramusella Hammer, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oppiidae (Family)

Biotia
     Biotia Cassini in F. Cuvier, 1825 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Biotia A.P. de Candolle, 1836 accepted as Eurybia (Cassini) Cassini in F. Cuvier, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bipalpus
     Bipalpus Herrick, 1885 (uncertain)· Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Synchaetidae (Family)
 Bipalpus Wierzejski & Zacharias, 1893 accepted as Ploesoma Herrick, 1885 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Synchaetidae (Family)

Bipatinella
     Bipatinella Zheng in Zhen M, Zhen, Wan & Xi, 1994 † (uncertain)· Animalia (Kingdom) > Problematica (Phylum) > (Class) > (Order) > (Family)
     Bipatinella Chen & Zheng, 1986 † accepted as Tawuia H.J. Hofmann in H.J. Hofmann & J.D. Aitken, 1979 † (nomen nudum)· Plantae (Kingdom) > Algae incertae sedis (Phylum) > Chuariophyceae (Class) > Chuariales (Order) > Tawuiaceae (Family)

Bipes
     Bipes de Lacepède, 1788 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Bipes Bonnaterre, 1789 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Bipedidae (Family)

Biphora
     Biphora Bory, 1804 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Biphora Bruguière, 1789 accepted as Salpa Forskål, 1775 · Animalia (Kingdom) > Chordata (Phylum) > Thaliacea (Class) > Salpida (Order) > Salpidae (Family)

Biphyllus
     Biphyllus Stephens, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Biphyllidae (Family)
     Biphyllus Dejean, 1821 accepted as Biphyllus Stephens, 1830 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Biphyllidae (Family)
     Biphyllus Stephens, 1829 accepted as Biphyllus Dejean, 1821 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Biphyllidae (Family)

Bipinnula
 Bipinnula Jordan & Evermann, 1896 accepted as Nesiarchus Johnson, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gempylidae (Family)
     Bipinnula Commerson ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Biradiolites
     Biradiolites sensu Toucas, 1909 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Biradiolites d'Orbigny, 1850 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Hippuritida (Order) > Hippuritida (awaiting allocation) (Family)

Biremis
     Biremis D.G. Mann & E.J. Cox in F.E. Round, R.M. Crawford & D.G. Mann, 1990 · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Naviculales (Order) > Scoliotropidaceae (Family)
     Biremis Polloni, Rowe & Teal, 1973 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)

Birgerbohlinia
     Birgerbohlinia Crusafont-Pairo, 1952 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Birgerbohlinia Crusafont-Pairó & Villalta, 1951 † accepted as Birgerbohlinia Crusafont-Pairó & Villalta, 1951 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)

Biroella
     Biroella Bolívar, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Biroellidae (Family)
 Biroella Duda, 1925 accepted as Biroina Richards, 1973 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)

Birolia
     Birolia Bellardi, 1809 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Elatinaceae (Family)
 Birolia Rafinesque, 1838 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Clusiaceae (Family)

Birostrum
     Birostrum Desmoulins, 1827 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Birostrum Bronn, 1837 accepted as Birostrum Bronn, 1837 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Bischofia
     Bischofia Hendel, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sciomyzidae (Family)
     Bischofia Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)

Biscoia
     Biscoia Salmon, 1962 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Hypogastruridae (Family)
 Biscoia † accepted as Briscoia Walcott, 1924 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Dikelocephalidae (Family)

Bisetaria
     Bisetaria Karl, 1943 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Bisetaria Van Tieghem, 1902 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Ochnaceae (Family)

Bisigna
     Bisigna Toll, 1956 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)
     Bisigna Falkovitsh, 2005 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Coleophoridae (Family)

Bisnius
     Bisnius Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Bisnius Leach, 1832 accepted as Bisnius Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Bisphaera
     Bisphaera M.S. Yakschin, 1991 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Chroococcales (Order) > Chroococcales (awaiting allocation) (Family)
     Bisphaera Birina, 1948 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Usloniidae (Family)
 Bisphaera Won, 1997 † accepted as Trilonche Hinde, 1899 † · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Entactinaria (Order) > Entactiniidae (Family)

Bispora
     Bispora Corda, 1837 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Bispora Fuckel, 1870 accepted as Bisporella P.A. Saccardo, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiales incertae sedis (Family)

Bissetia
     Bissetia Kapur, 1950 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
     Bissetia V.F. Brotherus ex M. Fleischer, 1906 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Neckeraceae (Family)

Bithecocamara
     Bithecocamara Kozlowski, 1948 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Camaroidea (Order) > Camaroidea (awaiting allocation) (Family)
     Bithecocamara Kozlowski, 1938 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Bithia
     Bithia Robineau-Desvoidy, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Bithia Walker, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Bithynella
 Bithynella Guéorguiev, 1976 accepted as Bithyniella Jeannel, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
 Bithynella Fagot, 1886 accepted as Bythinella Moquin-Tandon, 1856 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)

Bithynia
     Bithynia Leach in Abel, 1818 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Bithyniidae (Family)
 Bithynia Risso, 1826 † accepted as Bithynia Leach in Abel, 1818 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Bithyniidae (Family)

Bithyniella
     Bithyniella Jeannel, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
 Bithyniella Paetel, 1875 accepted as Bythinella Moquin-Tandon, 1856 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)

Bithyniphilus
     Bithyniphilus Verhoeff, 1941 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Geophilidae (Family)
 Bithyniphilus Verhoeff, 1944 accepted as Bithyniphilus Verhoeff, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Geophilidae (Family)

Bitia
     Bitia Gray, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
     Bitia Gray, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)

Bitomus
     Bitomus de Montfort, 1810 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Bitomus Szépligeti, 1910 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Bitta
     Bitta Osuna, 1985 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)
     Bitta Osuna, 1977 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)

Bittnerella
     Bittnerella Dagis, 1974 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Thecospirellidae (Family)
     Bittnerella Dall, 1898 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Bittneria
     Bittneria Schweitzer & Karasawa, 2004 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Panopeidae (Family)
     Bittneria Broili, 1904 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterioida (awaiting allocation) (Family)

Bitubichnites
     Bitubichnites Kulkarni & Ghare, 1989 † (uncertain)· Animalia (Kingdom) > Problematica (Phylum) > (Class) > (Order) > (Family)
     Bitubichnites Ghare & Kulkarni, 1986 † (uncertain)· Animalia (Kingdom) > Problematica (Phylum) > (Class) > (Order) > (Family)

Bituminaria
     Bituminaria Heister ex Fabricius, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Bituminaria C.H. Stirt., 1981 accepted as Bituminaria Heister ex Fabricius, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Bius
     Bius Mulsant, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Bius Dejean, 1834 accepted as Bius Mulsant, 1854 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Bivetia
 Bivetia Jousseaume accepted as Bivetiella Wenz in Schindewolf, 1943 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Cancellariidae (Family)
     Bivetia Jousseaume, 1887 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Cancellariidae (Family)

Bivetiella
     Bivetiella Wenz in Schindewolf, 1943 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Cancellariidae (Family)
 Bivetiella Marks, 1949 accepted as Bivetiella Wenz in Schindewolf, 1943 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Cancellariidae (Family)

Bivonia
     Bivonia Cocco, 1832 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Phronimidae (Family)
 Bivonia K.P.J. Sprengel, 1820 accepted as Bernardia P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Bivonia Gray, 1842 accepted as Dendropoma Mörch, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Vermetidae (Family)

Bizone
     Bizone Lepsi, 1926 (uncertain)· Chromista (Kingdom) > Ciliophora (Phylum) > Ciliophora (awaiting allocation) (Class) > Ciliophora (awaiting allocation) (Order) > Ciliophora (awaiting allocation) (Family)
 Bizone Simon, 1903 accepted as Myrmarachne MacLeay, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
     Bizone Walker, 1854 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Bizonula
     Bizonula Pellegrin, 1924 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
     Bizonula Corliss, 1960 (uncertain)· Chromista (Kingdom) > Ciliophora (Phylum) > Ciliophora (awaiting allocation) (Class) > Ciliophora (awaiting allocation) (Order) > Ciliophora (awaiting allocation) (Family)

Bizzozeria
     Bizzozeria P.A. Saccardo & Berlese, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariales (Order) > Lasiosphaeriaceae (Family)
 Bizzozeria Spegazzini, 1889 accepted as Thaxteria P.A. Saccardo, 1891 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Coronophorales (Order) > Nitschkiaceae (Family)

Blaberus
     Blaberus Audinet-Serville, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)
 Blaberus Schönherr, 1839 accepted as Noxius Jordan, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)

Blabinotus
     Blabinotus Wollaston, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Blabinotus Wollaston, 1862 accepted as Stenidea Mulsant, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Blabioides
 Blabioides Hampson, 1903 accepted as Zynodes Whalley, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
     Blabioides Hampson, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Blaborrhinus
 Blaborrhinus Kirby, 1884 accepted as Cylindrothecus Chevrolat, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Blaborrhinus Champion, 1905 accepted as Cylindrothecus Chevrolat, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Blachia
     Blachia Walker, 1867 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Blachia Baillon, 1858 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Blackburnia
     Blackburnia Sharp, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Blackburnia J.R. Forster & J.G.A. Forster, 1775 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)

Blackburniella
     Blackburniella Chapin, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cleridae (Family)
 Blackburniella Jeannel, 1936 accepted as Eublackburniella Jeannel, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Blackiella
 Blackiella S.I. Shumenko in B.S. Sokolov, 1987 † accepted as · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Coccolithophyceae (awaiting allocation) (Order) > Coccolithophyceae (awaiting allocation) (Family)
 Blackiella P. Aellen, 1938 accepted as Atriplex Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Blackwelderioides
     Blackwelderioides Hupé, 1955 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Lichida (Order) > Damesellidae (Family)
     Blackwelderioides Hupé in Piveteau, 1953 † accepted as Blackwelderioides Hupé, 1955 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Lichida (Order) > Damesellidae (Family)

Blacodes
 Blacodes Blanchard, 1845 accepted as Blenosia de Laporte in Brullé, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Blacodes Kiriakoff, 1959 accepted as Neoblacodes Fletcher in Watson, Fletcher & Nye, 1980 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
 Blacodes Loew, 1874 accepted as Cophura Osten-Sacken, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
     Blacodes Dejean, 1834 accepted as Blacodes Blanchard, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Blainvillea
     Blainvillea Cassini in F. Cuvier, 1823 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Blainvillea Dall, 1898 accepted as Blainvillea Dall, 1898 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
 Blainvillea Quatrefages, 1866 accepted as Lysidice Lamarck, 1818 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Eunicida (Order) > Eunicidae (Family)

Blainvillia
     Blainvillia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Ulidiidae (Family)
 Blainvillia Hupé in Gay, 1854 accepted as Clementia Gray, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)

Blairella
     Blairella Rasetti, 1965 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariidae (Family)
     Blairella Miller & Gurley, 1896 † accepted as Rhipidomella Oehlert, 1890 † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Orthida (Order) > Rhipidomellidae (Family)

Blakea
     Blakea Grote, 1875 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Blakea P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Blakea Steindachner, 1876 accepted as Gibbonsia Cooper, 1864 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Clinidae (Family)

Blakwellia
 Blakwellia J. Gaertner, 1790 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Blakwellia Commerson ex A.L. Jussieu, 1789 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)
     Blakwellia Scopoli, 1777 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)
 Blakwellia Lamarck, 1785 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)

Blanchardia
     Blanchardia Buchecker, ? 1880 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Blanchardia Ortego, Nieto Nafria & Mier Durante, 1997 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
     Blanchardia Wierzejski, 1890 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Blanchardia Gedroyc, 1915 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
 Blanchardia Castelnau, 1875 accepted as Notograptus Günther, 1867 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Plesiopidae (Family)
 Blanchardia Blatchley, 1910 † accepted as Blatchleya Knab, 1910 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Omethidae (Family)
 Blanchardia Brongniart, 1893 † accepted as Triplosoba Handlirsch, 1906 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Triplosobidae (Family)

Blanchardiella
     Blanchardiella Weber, 1914 · Animalia (Kingdom) > Annelida (Phylum) > Hirudinea (Class) > Arhynchobdellida (Order) > Cylicobdellidae (Family)
     Blanchardiella Poppius, 1921 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Blanchardina
     Blanchardina Viette, 1950 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hepialidae (Family)
     Blanchardina Labbé, 1899 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Blancoa
     Blancoa Huber, 2000 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Pholcidae (Family)
     Blancoa J. Lindley, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Haemodoraceae (Family)
 Blancoa Blume, 1849 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
 Blancoa Blume, 1843 accepted as Arenga Labillardière in A.P. de Candolle, 1800 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Blandfordia
     Blandfordia J.E. Smith, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Blandfordiaceae (Family)
 Blandfordia Tate, 1894 accepted as Blanfordia A. Adams, 1863 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiopsidae (Family)
 Blandfordia H.C. Andrews, 1804 accepted as Blandfordia H.C. Andrews, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Diapensiaceae (Family)

Blanfordia
     Blanfordia Duncan, 1880 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Blanfordia A. Adams, 1863 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiopsidae (Family)
     Blanfordia Uhlig, 1905 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Blanfordiceras
     Blanfordiceras Cossmann, 1907 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Blanfordiceras Spath, 1924 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Blapstinus
     Blapstinus Eschscholtz in Mannerheim, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Blapstinus Sturm, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Blapstinus Dejean, 1821 accepted as Blapstinus Eschscholtz in Mannerheim, 1843 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Blaria
     Blaria Gray, 1842 accepted as Blaria Gray, 1842 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
 Blaria Gray, 1843 accepted as Blarina Gray, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Insectivora (Order) > Soricidae (Family)

Blasipus
     Blasipus Bonaparte, 1853 accepted as Blasipus Bonaparte, 1853 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Blasipus Bruch, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Blastoceras
 Blastoceras Fitzinger, 1860 accepted as Blastocerus Wagner in Schreber, 1844 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)
 Blastoceras Flower & Caster, 1935 † accepted as Blastocerina Flower, 1940 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Oncocerida (Order) > Brevicoceratidae (Family)

Blastocystis
     Blastocystis Jaekel, 1918 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata incertae sedis (Class) > Edrioblastoida (Order) > Blastocystidae (Family)
     Blastocystis Aléxéieff, 1911 · Chromista (Kingdom) > Bigyra (Phylum) > Blastocystea (Class) > Blastocystida (Order) > Blastocystidae (Family)

Blastomyces
 Blastomyces Gilchrist & W.R. Stokes, 1898 accepted as Zymonema Beurmann & Gougerot, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Blastomyces J.N. Costantin & Rolland, 1888 accepted as Histoplasma S. Darling, 1906 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Onygenales (Order) > Ajellomycetaceae (Family)

Blastophagus
     Blastophagus Gravenhorst, 1827 † accepted as Blastophagus Gravenhorst, 1827 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Agaonidae (Family)
 Blastophagus Eichhoff, 1864 accepted as Tomicus Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Blastophysa
     Blastophysa Reinke, 1889 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Chaetosiphonaceae (Family)
     Blastophysa Riley, 1884 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Blastosmilia
     Blastosmilia Étallon, 1859 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)
 Blastosmilia Duncan, 1878 accepted as Pourtalosmilia Duncan, 1884 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Caryophylliidae (Family)

Blastosporidium
     Blastosporidium Hartman & Schoo, 1914 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Blastosporidium M. Hartmann, 1912 accepted as Coccidioides Stiles in Rixford & Gilchrist, 1896 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Onygenales (Order) > Onygenaceae (Family)

Blastus
     Blastus Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Blastus Leach, 1814 accepted as Pisa Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Majidae (Family)

Blatta
     Blatta Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blattidae (Family)
 Blatta Serville, 1831 accepted as Blattella Caudell, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Ectobiidae (Family)

Blattaria
     Blattaria Weyenbergh, 1874 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Blattaria Voet, ? 1806 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Blattaria O. Kuntze, 1891 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Blattaria P. Miller, 1754 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)

Blatticida
     Blatticida Ashmead, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)
 Blatticida Girault, 1915 accepted as Blatticidella Gahan & Fagan, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Blatticidella
     Blatticidella Gahan & Fagan, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)
 Blatticidella Girault, 1923 accepted as Epiblatticida Girault, 1915 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Blattidium
     Blattidium Goldenberg, 1877 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Blattidium Westwood, 1854 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Blattidium Heer, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Blattina
     Blattina Germar, 1813 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Archimylacridae (Family)
 Blattina Hebard, 1929 accepted as Hebardina Bey-Bienko, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blattidae (Family)

Blattodeaphagus
     Blattodeaphagus Kathirithamby, 1992 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Strepsiptera (Order) > Halictophagidae (Family)
     Blattodeaphagus Kathirithamby, 1989 accepted as Blattodeaphagus Kathirithamby, 1992 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Strepsiptera (Order) > Halictophagidae (Family)

Blax
     Blax Koch in Herrich-Schaefer, 1840 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > (Order) > Collembola (awaiting allocation) (Family)
     Blax Reichenow, 1894 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Piciformes (Order) > Picidae (Family)
 Blax Thomson, 1860 accepted as Blaxotes McKeown, 1945 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Blax Loew, 1872 accepted as Blacodes Loew, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
 Blax Candèze, 1863 accepted as Metablax Candèze in Harold, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Blediodes
 Blediodes Mulsant & Rey, 1879 accepted as Bledius Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Blediodes Mulsant & Rey, 1878 accepted as Bledius Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Bleekeria
     Bleekeria Günther, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Ammodytidae (Family)
 Bleekeria Miquel, 1859 accepted as Alchornea O. Swartz, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Bleekeria Hasskarl, 1855 accepted as Ochrosia A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Blemus
     Blemus Stephens, 1827 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Blemus Dejean, 1821 accepted as Blemus Dejean, 1821 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Blemus LeConte, 1848 accepted as Micratopus Casey, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Blennioclinus
     Blennioclinus Smith, 1946 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Clinidae (Family)
     Blennioclinus Gill, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Clinidae (Family)

Blennocampa
     Blennocampa Harris, 1841 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Blennocampa Hartig, 1837 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Blennophis
     Blennophis Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Clinidae (Family)
 Blennophis Valenciennes in Webb & Berthelot, 1843 accepted as Ophioblennius Gill, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Blenniidae (Family)

Blennus
     Blennus Walbaum, 1792 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Blennus Klein, 1779 accepted as Blennius Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Blenniidae (Family)

Blepharella
     Blepharella Macquart, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Blepharella Medvedev, 2000 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Blepharida
     Blepharida Dejean, 1835 accepted as Blepharida Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Blepharida Rogers, 1856 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Blepharida Chevrolat, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Blepharidia
     Blepharidia Hübner, 1822 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Blepharidia Püngeler, 1900 accepted as Blepharosis Boursin, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Blepharipoda
     Blepharipoda Brauer & Bergenstamm, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Blepharipoda Randall, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Blepharipodidae (Family)

Blepharis
     Blepharis A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Blepharis Macquart, 1838 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Blepharis Audinet-Serville, 1831 accepted as Blepharopsis Rehn, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Empusidae (Family)
 Blepharis Cuvier, 1816 accepted as Alectis Rafinesque, 1815 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)

Blepharisma
     Blepharisma Perty, 1849 · Chromista (Kingdom) > Ciliophora (Phylum) > Heterotrichea (Class) > Heterotrichida (Order) > Blepharismidae (Family)
 Blepharisma Hirshfield, Isquith & Bhandary, 1965 accepted as Blepharisma Perty, 1849 · Chromista (Kingdom) > Ciliophora (Phylum) > Heterotrichea (Class) > Heterotrichida (Order) > Blepharismidae (Family)

Blepharocera
     Blepharocera Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Blephariceridae (Family)
 Blepharocera Chambers, 1877 † accepted as Chambersia Riley in Smith, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)

Blepharolepis
     Blepharolepis C.G.D. Nees in J. Lindley, 1836 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
 Blepharolepis C.G.D. Nees, 1843 accepted as Scirpus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)

Blepharonia
     Blepharonia Hübner, 1825 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Blepharonia Bernhauer, 1928 accepted as Zyras Stephens, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Blepharopoda
     Blepharopoda Rondani in Osculati, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Blepharopoda Enderlein, 1936 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Blepharopoda Oldenberg, 1904 accepted as Blepharipoda Brauer & Bergenstamm, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Blepharopoda Stimpson, 1857 accepted as Lophomastix Benedict, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Blepharipodidae (Family)

Blepharopsis
     Blepharopsis Rehn, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Empusidae (Family)
 Blepharopsis P.G. Efimov, 2009 accepted as Platanthera L.C. Richard, 1817 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Blepharopus
     Blepharopus Kolenati, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Hydropsychidae (Family)
 Blepharopus Agassiz, 1846 accepted as Blepharopus Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Blepharostoma
     Blepharostoma (Dumortier) Dumortier, 1835 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Pseudolepicoleaceae (Family)
     Blepharostoma Schewiakoff, 1891 · Chromista (Kingdom) > Ciliophora (Phylum) > Oligohymenophorea (Class) > Hymenostomatida (Order) > Tetrahymenidae (Family)

Blepharum
 Blepharum Hübner, 1809-1813 accepted as Blepharum Hübner, 1809-1813 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Blepharum Thomson, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Blera
     Blera Billberg, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)
 Blera Walker, 1862 accepted as Sericochroa Felder, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Blethisa
     Blethisa Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Blethisa Dejean, 1826 accepted as Blethisa Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Blitum
 Blitum J. Hill, 1757 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Blitum Heister ex Fabricius, 1759 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Blitum Scopoli, 1772 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Blitum Linnaeus, 1753 accepted as Chenopodium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Blodgettia
     Blodgettia Hahn & Hahn, 1992 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > (Class) > Trilobitomorpha (awaiting allocation) (Order) > Trilobitomorpha (awaiting allocation) (Family)
 Blodgettia E.P. Wright, 1881 accepted as Blodgettia Harvey, 1858 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Blodgettia Harvey, 1858 accepted as Blodgettia Harvey, 1858 (nomen dubium)· Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Siphonocladales (Order) > Valoniaceae (Family)

Blomella
     Blomella Kozur, 1973 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Blomella Sugiyama, 1997 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)

Blomia
     Blomia F. Miranda, 1953 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
     Blomia Oudemans, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Echimyopodidae (Family)
     Blomia Sennikov, 1992 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Thecodontia (Order) > Thecodontia (awaiting allocation) (Family)

Blumea
     Blumea A.P. de Candolle, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Blumea H.G.L. Reichenbach, 1829 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Blumenbachia
     Blumenbachia H.A. Schrader, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Loasaceae (Family)
 Blumenbachia G.L. Koeler, 1802 accepted as Sorghum Moench, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Blumia
 Blumia K.P.J. Sprengel, 1826 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Actinidiaceae (Family)
     Blumia Robineau-Desvoidy, 1863 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Blumia C.G.D. Nees, 1825 accepted as Blumia C.G.D. Nees, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Magnoliales (Order) > Magnoliaceae (Family)

Blythia
     Blythia Theobald, 1868 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Blythia Talwar, 1971 accepted as Johnius Bloch, 1793 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sciaenidae (Family)

Blyttia
     Blyttia Arnott in Jardine & Johnston, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Blyttia E.M. Fries, 1839 accepted as Cinna Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Boana
     Boana Gray, 1825 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
 Boana Walker, 1862 accepted as Naboa Nye, 1975 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Boarmia
     Boarmia Treitschke, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Boarmia Stephens, 1829 accepted as Ectropis Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Bobartia
     Bobartia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)
 Bobartia Ker-Gawler, 1827 accepted as Bobartia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Bobinella
     Bobinella Andreeva, 1968 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Pentamerida (Order) > Tetralobulidae (Family)
     Bobinella d'Hondt, 1981 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Candidae (Family)

Bobrovia
     Bobrovia P.N. Kolosov, 1975 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)
 Bobrovia A.P. Khokhrjakov, 1998 accepted as Trifolium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Boca
     Boca Lowry & Stoddart, 1997 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Aristiidae (Family)
     Boca Vellozo, 1829 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)

Bocana
     Bocana Walker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Bocana Walker, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Bockia
     Bockia Hecker, 1938 † · Animalia (Kingdom) > Echinodermata (Phylum) > Eocrinoidea (Class) > Eocrinoidea (awaiting allocation) (Order) > Eocrinoidea (awaiting allocation) (Family)
     Bockia Reisinger, 1924 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Typhloplanidae (Family)
     Bockia Scopoli, 1777 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Bodianus
     Bodianus Bloch, 1790 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)
     Bodianus Cuvier, 1817 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Bodinia
     Bodinia George, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Argestidae (Family)
 Bodinia M. Ota & M. Langeron, 1923 accepted as Trichophyton Malmsten, 1848 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Onygenales (Order) > Arthrodermataceae (Family)

Boea
     Boea Commerson ex Lamarck, 1785 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
     Boea Walker, 1867 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Boeckhia
     Boeckhia Szabo, 1982 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Archaeogastropoda (Order) > Archaeogastropoda (awaiting allocation) (Family)
     Boeckhia Kunth, 1841 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Restionaceae (Family)

Boeckia
     Boeckia Malm, 1870 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Amphipoda (awaiting allocation) (Family)
     Boeckia Brögger, 1882 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Phacopida (Order) > Cheiruridae (Family)
     Boeckia Pillet, 1965 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
 Boeckia Grimm in G.O. Sars, 1894 accepted as Axelboeckia Stebbing, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Gammaridae (Family)
 Boeckia Brady, 1872 accepted as Herrmannella Canu, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Lichomolgidae (Family)
 Boeckia Thomson, 1883 accepted as Boeckella Guerne & Richard, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Centropagidae (Family)

Boehmia
     Boehmia Hoek, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Pycnogonida (Class) > Pantopoda (Order) > Ascorhynchidae (Family)
 Boehmia Cossmann, 1902 † accepted as Boehmiola Strand, 1928 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Heterostrophia (awaiting allocation) (Family)
 Boehmia Raddi, 1806 accepted as Arrhenia E.M. Fries, 1849 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Tricholomataceae (Family)
     Boehmia Kutassy, 1940 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Boeria
     Boeria Hedqvist, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
     Boeria Kirkaldy, 1908 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Boerlagella
 Boerlagella Penzig & P.A. Saccardo, 1897 accepted as Boerlagiomyces F. Butzin, 1977 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Tubeufiaceae (Family)
 Boerlagella Cogniaux in Alph. de Candolle & A.C. de Candolle, 1891 accepted as Planchonella Pierre, 1890 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)

Boethus
     Boethus Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Boethus Thorell, 1878 accepted as Spartaeus Thorell, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)

Boettcheria
     Boettcheria Parker, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)
 Boettcheria Willemse, 1932 accepted as Bacuita Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
 Boettcheria Hoscheck, 1931 accepted as Obenbergerula Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Boettgeria
     Boettgeria Böttger, 1863 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
 Boettgeria Peyrot, 1931 † accepted as Boettgeriola Wenz in Schindewolf, 1943 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Borsoniidae (Family)

Bogatschevia
     Bogatschevia Ali-Zade & Kabakova in Ali-Zade, 1969 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Bogatschevia Jatsko, 1962 † accepted as Bogatschevia Jatsko, 1962 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Bogatschevia Jatsko, 1972 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Bogdaichthys
     Bogdaichthys Su, 1980 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Actinopterygii (awaiting allocation) (Order) > Actinopterygii (awaiting allocation) (Family)
     Bogdaichthys Su Dezao, 1985 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Actinopterygii (awaiting allocation) (Order) > Actinopterygii (awaiting allocation) (Family)

Bogoda
 Bogoda Bleeker, 1853 accepted as Chanda Hamilton, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Ambassidae (Family)
 Bogoda Blyth, 1860 accepted as Priacanthus Oken, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Priacanthidae (Family)

Bogoriella
     Bogoriella Groth, Schumann, Rajney, Martin, Schuetze & Augsten, 1997 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Micrococcales (Order) > Bogoriellaceae (Family)
     Bogoriella A. Zahlbruckner, 1928 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariaceae (Family)

Bohadschia
     Bohadschia Crantz, 1762 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
     Bohadschia Jaeger, 1833 · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Holothuriida (Order) > Holothuriidae (Family)
 Bohadschia K.B. Presl, 1835 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Passifloraceae (Family)
 Bohadschia F.W. Schmidt, 1795 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Bohadschia Hrabe, 1971 accepted as Limnodriloides Pierantoni, 1904 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Naididae (Family)

Bohemanella
     Bohemanella Ramme, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Bohemanella DeLong & Freytag, 1972 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)

Bohemania
     Bohemania Robineau-Desvoidy, 1863 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Bohemania Stål, 1855 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Bohemania Gemminger & Harold, 1868 accepted as Bohemania Gemminger & Harold, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Bohemania Putzeys, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Bohemannia
     Bohemannia Stainton, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nepticulidae (Family)
 Bohemannia Bezzi in Becker-Kertész, 1907 accepted as Bohemannia Bezzi in Becker-Kertész, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Bohemannia Putzeys, 1863 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Bohemicocrinus
     Bohemicocrinus Waagen & Jahn in Barrande, 1899 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)
     Bohemicocrinus Jahn, 1893 † accepted as Bohemicocrinus Waagen & Jahn in Barrande, 1899 † (nomen nudum)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)

Bohemilla
     Bohemilla Barrande, 1872 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphida (awaiting allocation) (Family)
 Bohemilla Vejdovský, 1884 accepted as Vejdovskyella Michaelsen, 1903 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Naididae (Family)

Bohemina
     Bohemina Lyashenko, 1969 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cricoconarida (Class) > Cricoconarida (awaiting allocation) (Order) > Cricoconarida (awaiting allocation) (Family)
     Bohemina Snajdr, 1951 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Tricorninidae (Family)

Bohlinia
     Bohlinia Lemmermann, 1899 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Oocystales (Order) > Oocystaceae (Family)
     Bohlinia Matthew, 1929 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Giraffidae (Family)

Bohmia
 Bohmia Cossmann, 1902 † accepted as Boehmiola Strand, 1928 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Heterostrophia (awaiting allocation) (Family)
 Bohmia Kutassy in Quendstedt, 1940 † accepted as Boehmia Kutassy, 1940 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Bohmia Hoek, 1881 accepted as Boehmia Hoek, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Pycnogonida (Class) > Pantopoda (Order) > Ammotheidae (Family)

Böhmia
 Böhmia Hoek, 1881 accepted as Boehmia Hoek, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Pycnogonida (Class) > Pantopoda (Order) > Ammotheidae (Family)
 Böhmia Kutassy in Quendstedt, 1940 † accepted as Boehmia Kutassy, 1940 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Böhmia Cossmann, 1902 † accepted as Boehmiola Strand, 1928 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Heterostrophia (awaiting allocation) (Family)

Boholia
     Boholia Kossmann, 1872 accepted as Boholia Kossmann, 1872 (nomen dubium)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Lichomolgidae (Family)
     Boholia Merrill, 1926 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Boisduvalia
     Boisduvalia Signoret, 1875 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)
     Boisduvalia Robineau-Desvoidy, 1830 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Boisduvalia Signoret, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
 Boisduvalia Spach, 1835 accepted as Epilobium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)
 Boisduvalia Houlbert in Oberthuer, 1918 accepted as Duboisvalia Oiticica Filho, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Castniidae (Family)
 Boisduvalia Montrouzier, 1855 accepted as Oides Weber, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Boisduvallia
     Boisduvallia Montrouzier, 1855 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Boisduvallia accepted as Boisduvalia Spach, 1835 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Onagraceae (Family)

Boivinella
 Boivinella (Pierre ex Baillon) Aubréville & Pellegrin, 1958 accepted as Englerophytum K. Krause, 1914 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)
 Boivinella A. Camus, 1925 accepted as Cyphochlaena Hackel, 1901 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Bojeria
     Bojeria Rafinesque, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zingiberales (Order) > Zingiberaceae (Family)
 Bojeria A.P. de Candolle, 1836 accepted as Inula Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bokkeveldia
     Bokkeveldia D. Müller-Doblies & U. Müller-Doblies, 1985 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
     Bokkeveldia Ruta & Theron, 1997 † · Animalia (Kingdom) > Echinodermata (Phylum) > Stylophora (Class) > Mitrata (Order) > Mitrata (awaiting allocation) (Family)

Bola
 Bola Hamilton, 1822 accepted as Johnius Bloch, 1793 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sciaenidae (Family)
 Bola Günther, 1868 accepted as Raiamas Jordan, 1919 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Bolaspidellus
     Bolaspidellus Lazarenko in Lazarenko & Nikiforov, 1968 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Bolaspidellus Lazarenko & Datsenko, 1967 † accepted as Bolaspidellus Lazarenko & Datsenko, 1967 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Bolax
     Bolax Commerson ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
     Bolax Fischer, 1829 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Bolbella
     Bolbella Giglio-Tos, 1915 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Mantidae (Family)
     Bolbella Cobb, 1920 · Animalia (Kingdom) > Nematoda (Phylum) > Enoplea (Class) > Oncholaimida (Order) > Enchelidiidae (Family)

Bolbidium
 Bolbidium (Lindley) Lindley, 1846 accepted as Maxillaria Ruiz & Pavon, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Bolbidium (Lindley) F.G. Brieger in R. Schlechter, 1981 accepted as Dendrobium O. Swartz, 1799 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Bolbocephalus
     Bolbocephalus Whitfield, 1890 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Bathyuridae (Family)
 Bolbocephalus Kolbe, 1916 accepted as Bolbocranius Kolbe, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Bolbocephalus Dubois, 1934 accepted as Bolbocephalodes Strand, 1935 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Strigeidida (Order) > Bolbocephalodidae (Family)

Bolboceras
     Bolboceras Fischer de Waldheim, 1844 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Bolboceras Kirby, 1819 accepted as Odonteus Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Geotrupidae (Family)

Bolbocranius
     Bolbocranius Kolbe, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Bolbocranius Kolbe, 1916 accepted as Bolbocranius Kolbe, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)

Bolboporites
     Bolboporites Billings, 1859 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Anthozoa (awaiting allocation) (Order) > Anthozoa (awaiting allocation) (Family)
     Bolboporites Pander, 1830 † · Animalia (Kingdom) > Echinodermata (Phylum) > Eocrinoidea (Class) > Eocrinoidea (awaiting allocation) (Order) > Eocrinoidea (awaiting allocation) (Family)

Bolborhynchus
     Bolborhynchus Bonaparte, 1857 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
 Bolborhynchus Porta, 1906 accepted as Bolbosoma Porta, 1908 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Polymorphida (Order) > Polymorphidae (Family)
     Bolborhynchus Bonaparte, 1857 accepted as Bolborhynchus Bonaparte, 1857 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
 Bolborhynchus Achmerov & Achmerova, 1941 accepted as Bolborhynchoides Achmerow & Dombrovskaja, 1959 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Echinorhynchida (Order) > Hypoechinorhynchidae (Family)

Bolbozoe
     Bolbozoe Barrande in Bigsby, 1868 † accepted as Bolbozoe Barrande, 1872 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Myodocopida (awaiting allocation) (Family)
     Bolbozoe Barrande, 1872 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Myodocopida (Order) > Bolbozoidae (Family)

Boldia
     Boldia Herndon, 1964 · Plantae (Kingdom) > Rhodophyta (Phylum) > Compsopogonophyceae (Class) > Compsopogonales (Order) > Boldiaceae (Family)
     Boldia van Bellen, 1946 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Gavelinellidae (Family)

Boldoa
     Boldoa Cavanilles ex Lagasca, 1816 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)
 Boldoa Endlicher, 1841 accepted as Peumus Molina, 1782 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Monimiaceae (Family)

Boldu
 Boldu C.G.D. Nees, 1833 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Lauraceae (Family)
 Boldu Adanson, 1763 accepted as Peumus Molina, 1782 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Monimiaceae (Family)

Boletaria
     Boletaria Gray, 1821 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)
 Boletaria Marsham, 1802 accepted as Mycetophagus Hellwig, 1792 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Mycetophagidae (Family)

Boletia
     Boletia Desor, 1846 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Temnopleuroida (Order) > Toxopneustidae (Family)
 Boletia L. Agassiz, 1841 accepted as Toxopneustes L. Agassiz, 1841 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Temnopleuroida (Order) > Toxopneustidae (Family)

Boletophagus
 Boletophagus Zetterstedt, 1840 accepted as Bolitophagus Illiger in Kugelann, 1798 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Boletophagus Say, 1826 accepted as Bolitophagus Illiger in Kugelann, 1798 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Boletopsis
     Boletopsis Fayod, 1889 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Thelephorales (Order) > Bankeraceae (Family)
 Boletopsis P.C. Hennings in Engler & Prantl, 1898 accepted as Boletus E.M. Fries, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Boletaceae (Family)

Boletus
     Boletus Linnaeus, 1753 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Boletaceae (Family)
 Boletus de Tournefort ex Adanson, 1763 accepted as Morchella Dillenius ex Persoon, 1794 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Morchellaceae (Family)
 Boletus E.M. Fries, 1821 accepted as Boletus Linnaeus, 1753 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Boletales (Order) > Boletaceae (Family)

Bolgarithyris
     Bolgarithyris Titova, 1986 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Capillithyrididae (Family)
     Bolgarithyris Favorskaya, 1980 † (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Bryozoa (awaiting allocation) (Class) > Bryozoa (awaiting allocation) (Order) > Bryozoa (awaiting allocation) (Family)

Bolina
     Bolina Münster, 1839 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Bolina Walker, 1857 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Bolina Duponchel, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Bolina Rafinesque, 1838 accepted as Bertolonia Raddi, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Bolina Brusina, 1870 accepted as Bolma Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Turbinidae (Family)
 Bolina Mertens, 1833 accepted as Bolinopsis L. Agassiz, 1860 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Lobata (Order) > Bolinopsidae (Family)
     Bolina Rafinesque, 1815 accepted as Phasianella Lamarck, 1804 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Phasianellidae (Family)

Bolinia
     Bolinia Yabe, 1991 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Cottidae (Family)
 Bolinia (Nitschke) P.A. Saccardo, 1882 accepted as Camarops P.A. Karsten, 1873 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Boliniales (Order) > Boliniaceae (Family)

Bolitobius
     Bolitobius Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Bolitobius Lacordaire, 1835 accepted as Lordithon Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Bolitogyrus
     Bolitogyrus Chevrolat, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Bolitogyrus Dejean, 1836 accepted as Bolitogyrus Chevrolat, 1842 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Bolivaria
     Bolivaria Stål, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Mantidae (Family)
 Bolivaria Chamisso & D.F.L. Schlechtendal, 1826 accepted as Menodora Bonpland in Humboldt & Bonpland, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Oleaceae (Family)

Bolivarita
     Bolivarita Escalera, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Bolivarita Hebard, 1933 accepted as Bolivariola Uvarov, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Bollandia
     Bollandia Reed, 1943 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Proetida (Order) > Phillipsiidae (Family)
 Bollandia Glasby, 1994 accepted as Bollandiella Glasby & Krell, 2009 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Syllidae (Family)

Bollmania
 Bollmania accepted as Bollmannia Jordan in Jordan & Bollman, 1890 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)
     Bollmania Silvestri, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Diplopoda (awaiting allocation) (Order) > (Family)

Bolocera
     Bolocera Gosse, 1860 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Actiniaria (Order) > Actiniidae (Family)
     Bolocera Berg, 1899 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Bolocera Kirby, 1892 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)

Boloria
     Boloria Grunt in Grunt & Dmitriev, 1973 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Paranorellidae (Family)
     Boloria Moore, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)

Bolosoma
     Bolosoma Ijima, 1904 · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Lyssacinosida (Order) > Euplectellidae (Family)
 Bolosoma Schulze, 1904 accepted as Bolosoma Ijima, 1904 · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Lyssacinosida (Order) > Euplectellidae (Family)

Boltalia
     Boltalia Gray, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)
     Boltalia Gray, 1840 accepted as Boltalia Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)

Boltenia
     Boltenia Pfeiffer, 1878 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Oleacinidae (Family)
     Boltenia Savigny, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Pyuridae (Family)
 Boltenia Agassiz, 1846 accepted as Boltenia Agassiz, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)

Boltonia
     Boltonia L'Héritier de Brutelle, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Boltonia König, 1820 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)
     Boltonia Handlirsch, 1920 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Boltonia Pruvost, 1920 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Bombina
 Bombina Oken, 1816 accepted as Bombina Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Bombinatoridae (Family)
     Bombina Tian & Hu, 1985 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Lissamphibia (awaiting allocation) (Order) > Lissamphibia (awaiting allocation) (Family)

Bombix
     Bombix Medikus, 1787 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Bombix Paetel, 1875 accepted as Bombix Paetel, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Bomburia
     Bomburia Hedqvist, 1978 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
     Bomburia van Valen, 1978 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Condylarthra (Order) > Mioclaenidae (Family)

Bombycia
     Bombycia Stephens, 1829 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Bombycia Hübner, 1822 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Drepanidae (Family)

Bombycites
     Bombycites Latreille in Cuvier, 1817 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Bombycites Heer, 1849 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Bombycidae (Family)

Bombylius
 Bombylius Fauvel, 1902 accepted as Bombylodes Fauvel, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Bombylius Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)

Bombylodes
     Bombylodes Fauvel, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Bombylodes Paramonov, 1940 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)

Bommeria
     Bommeria Fournier in Baillon, 1877 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Pteridaceae (Family)
     Bommeria Pascher, 1922 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
     Bommeria H. Kufferath, 1914 · Protozoa (Kingdom) > Euglenozoa (Phylum) > Euglenophyceae (Class) > Euglenida (Order) > Euglenidae (Family)

Bona
 Bona Medikus, 1787 accepted as Vicia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Bona Pavesi, 1884 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Bonairea
     Bonairea Baker, 1924 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Bonairea Pijpers, 1933 † accepted as Pijpersia Thalmann, 1954 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Glabratellidae (Family)

Bonamia
     Bonamia Du Petit-Thouars, 1804 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Convolvulaceae (Family)
     Bonamia Pichot, Comps, Tigé, Grizel & Rabouin, 1980 · Chromista (Kingdom) > Cercozoa (Phylum) > Ascetosporea (Class) > Haplosporida (Order) > Haplosporidiidae (Family)

Bonannia
     Bonannia Rondani, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Bonannia Gussone, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Bonannia Rafinesque, 1814 accepted as Bonannia Rafinesque, 1814 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)
 Bonannia K.B. Presl, 1826 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Bonapartia
     Bonapartia Goode & Bean, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Stomiiformes (Order) > Gonostomatidae (Family)
     Bonapartia Büttikofer, 1896 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Bonaria
     Bonaria Batista, 1959 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetidae incertae sedis (Order) > Micropeltidaceae (Family)
     Bonaria McAtee & Malloch, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Bonasia
     Bonasia Fox, 1827 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Bonasia Kaup, 1829 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Bonasia Bonaparte, 1828 accepted as Bonasa Stephens in Shaw, 1819 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)

Bonasus
 Bonasus Fitzinger, 1860 accepted as Bison Smith, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Bonasus accepted as Bonasa Stephens in Shaw, 1819 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
     Bonasus Wagner in Schreber, 1844 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)

Bonatea
     Bonatea Druce, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Bonatea Willdenow, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Bondarevia
     Bondarevia Carlson in Williams, Brunton & Carlson, 2002 † (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Pentamerida (Order) > Huenellidae (Family)
 Bondarevia Bail & Chino, 2010 accepted as Saotomea Habe, 1943 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Volutidae (Family)

Bondia
     Bondia Newman, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Carposinidae (Family)
 Bondia Fernández-Yépez, 1948 accepted as Curimata Bosc, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Curimatidae (Family)

Bonea
     Bonea Roewer, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Podoctidae (Family)
     Bonea R. Ross & P.A. Sims, 1978 † · Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Centrales (Order) > Biddulphiaceae (Family)

Bonella
 Bonella Eliot, 1913 accepted as Bonella Eliot, 1913 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Bornellidae (Family)
 Bonella accepted as Bonellia Rolando, 1821 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Bonelliida (Order) > Bonelliidae (Family)

Bonellia
     Bonellia Rolando, 1821 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Bonelliida (Order) > Bonelliidae (Family)
     Bonellia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Bonellia Deshayes in Lamarck, 1838 † accepted as Niso Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Eulimidae (Family)
     Bonellia Bertero ex Colla, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Primulaceae (Family)

Bonetia
     Bonetia Varol & Houghton, 1996 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)
 Bonetia Schiner, 1868 accepted as Bonnetia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Bonetiella
     Bonetiella Rzedowski, 1957 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Anacardiaceae (Family)
 Bonetiella Trejo, 1983 † accepted as Bonetocardiella Dufour, 1968 † · Protozoa (Kingdom) > Calcitarcha (Phylum) > Calcitarcha (awaiting allocation) (Class) > Calcitarcha (awaiting allocation) (Order) > Pithonellidae (Family)

Bonia
     Bonia Patouillard, 1892 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Gloeophyllales (Order) > Gloeophyllaceae (Family)
     Bonia Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Heliodinidae (Family)
     Bonia Balansa, 1890 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Boninella
     Boninella Gressitt, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Boninella Matsumaru, 1996 † (uncertain)· Chromista (Kingdom) > Retaria (Phylum) > Foraminifera incertae sedis (Class) > Foraminifera (awaiting allocation) (Order) > Foraminifera (awaiting allocation) (Family)

Boninia
     Boninia Bock, 1923 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Polycladida (Order) > Boniniidae (Family)
     Boninia Planchon, 1872 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)

Bonjeania
     Bonjeania Irwin & Lyneborg, 1989 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Therevidae (Family)
 Bonjeania accepted as Bonjeanea H.G.L. Reichenbach, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Bonnellia
 Bonnellia Desmarest in Chenu, 1858 accepted as Bonnellia Desmarest in Chenu, 1858 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Eulimidae (Family)
 Bonnellia Dujardin, 1842 accepted as Bonellia Rolando, 1821 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Bonelliida (Order) > Bonelliidae (Family)
 Bonnellia Schiner, 1868 accepted as Bonellia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Bonnetella
     Bonnetella Cossmann, 1908 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Archaeogastropoda (Order) > Archaeogastropoda (awaiting allocation) (Family)
 Bonnetella Trouessart in Bonnet, 1924 accepted as Pandionacarus Balogh, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Avenzoariidae (Family)

Bonnetia
     Bonnetia C.F.P. Martius, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Bonnetiaceae (Family)
 Bonnetia Schreber, 1789 accepted as Bonnetia Schreber, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Clusiaceae (Family)
     Bonnetia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Bonnetia Cossmann, 1907 † accepted as Bonnetella Cossmann, 1908 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Archaeogastropoda (Order) > Archaeogastropoda (awaiting allocation) (Family)
 Bonnetia Caporiacco, 1955 accepted as Tutaibo Chamberlin, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Linyphiidae (Family)

Bonnierella
     Bonnierella Chevreux, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Ischyroceridae (Family)
 Bonnierella R. Viguier, 1905 accepted as Polyscias J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Araliaceae (Family)

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

Bonplandia
     Bonplandia Cavanilles, 1800 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Polemoniaceae (Family)
 Bonplandia Willdenow, 1802 accepted as Angostura J.J. Roemer & J.A. Schultes, 1819 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)

Bonthainia
     Bonthainia Roewer, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Sclerosomatidae (Family)
 Bonthainia Heinrich, 1934 accepted as Bonthainiella Heinrich, 1934 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Bontia
     Bontia Gray, 1847 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Bontia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)

Boomerangia
     Boomerangia Siddiqi, 1994 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Tylenchulidae (Family)
     Boomerangia Szymkowiak, 2014 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Thomisidae (Family)

Boops
     Boops Cuvier, 1814 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sparidae (Family)
     Boops Goüan, 1770 accepted as Boops Goüan, 1770 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Boops Gronow in Gray, 1854 accepted as Priacanthus Oken, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Priacanthidae (Family)
 Boops Gray, 1821 accepted as Balaenoptera Lacépède, 1804 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Balaenopteridae (Family)

Boopsis
     Boopsis Teilhard de Chardin, 1936 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Bovidae (Family)
 Boopsis Pierantoni, 1923 accepted as Cephalopyge Hanel, 1905 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Phylliroidae (Family)

Bootia
     Bootia Adanson, 1763 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Bootia Bigelow, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Bootia Necker, 1768 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Borbonia
 Borbonia P. Miller, 1754 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Lauraceae (Family)
 Borbonia Linnaeus, 1753 accepted as Aspalathus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Borborocoetes
     Borborocoetes Schönherr, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Borborocoetes Bell, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Leptodactylidae (Family)

Borckhausenia
     Borckhausenia A.W. Roth, 1800 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
 Borckhausenia P.G. Gaertner, B. Meyer & J. Scherbius, 1801 accepted as Pseudofumaria Medikus, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Papaveraceae (Family)

Bordea
     Bordea Bosmans, 1995 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Linyphiidae (Family)
 Bordea Maire, 1916 accepted as Autophagomyces Thaxter, 1912 · Fungi (Kingdom) > Ascomycota (Phylum) > Laboulbeniomycetes (Class) > Laboulbeniales (Order) > Laboulbeniaceae (Family)

Bordonia
     Bordonia Cobos, 1980 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Bordonia Sakakibara, 1998 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Membracidae (Family)

Boreas
     Boreas Morris, 1980 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Hippothoidae (Family)
 Boreas Cumberlidge & von Sternberg, 2002 accepted as Boreathelphusa Cumberlidge, 2010 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Potamonautidae (Family)

Borelia
     Borelia Sorrentino, 1934 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Borelia Agassiz, 1844 accepted as Borelis de Montfort, 1808 · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Miliolida (Order) > Alveolinidae (Family)

Borelis
     Borelis Oken, 1815 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Borelis de Montfort, 1808 · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Miliolida (Order) > Alveolinidae (Family)

Borellia
     Borellia Rehn, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Borellia Necker ex Rafinesque, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Boraginales (Order) > Boraginaceae (Family)
 Borellia Burr, 1909 accepted as Euborellia Burr, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Dermaptera (Order) > Anisolabididae (Family)

Boreolepis
     Boreolepis Nielsen, 1935 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)
     Boreolepis Aldinger, 1935 † accepted as Boreolepis Nielsen, 1935 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)

Boreomyia
     Boreomyia Coquillet, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Boreomyia Hardy, 1920 accepted as Boreoides Hardy, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)

Borgella
     Borgella Brood, 1968 accepted as Borgella Brood, 1968 (nomen nudum)· Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cyclostomatida (Order) > Heteroporidae (Family)
     Borgella Kluge, 1952 · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cyclostomatida (Order) > Cerioporidae (Family)

Boriomyia
     Boriomyia Banks, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Boriomyia Banks, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)

Borisia
     Borisia Rohdendorf, 1924 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Borisia Filipjev, 1949 accepted as Sirioba Nye, 1975 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Borisia Hachisuka, 1935 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Borkhausenia
     Borkhausenia Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)
     Borkhausenia A.N. Sennikov & A. Kurtto, 2017 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)

Borneacris
     Borneacris Ramme, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Borneacrididae (Family)
 Borneacris Bolívar & Bolívar, 1944 accepted as Borneacridium Kevan, 1963 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Chorotypidae (Family)

Bornella
     Bornella Adams & Reeve, 1848 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Bornellidae (Family)
     Bornella Gray, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Nudibranchia (Order) > Bornellidae (Family)

Borneria
     Borneria Axelson, 1902 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Neanuridae (Family)
 Borneria Grassi & Foà, 1908 accepted as Foaiella Börner, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Borneria Willem, 1902 accepted as Boerneria Willem, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > (Order) > Collembola (awaiting allocation) (Family)

Börneria
 Börneria Axelson, 1902 accepted as Borneria Axelson, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Poduromorpha (Order) > Neanuridae (Family)
 Börneria Grassi & Foà, 1908 accepted as Foaiella Börner, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Börneria Willem, 1902 accepted as Boerneria Willem, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > (Order) > Collembola (awaiting allocation) (Family)

Bornia
     Bornia Navás, 1928 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Bornia Philippi, 1836 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Kelliidae (Family)
 Bornia Sternberg, 1825 † accepted as Bornia Sternberg, 1825 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Equisetales (Order) > Calamariaceae (Family)
     Bornia † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)

Borodinia
     Borodinia Hanzawa, 1940 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Acervulinidae (Family)
 Borodinia Busch, 1921 accepted as Boechera Á. Löve & D. Löve, 1976 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Boroecia
     Boroecia Poulsen, 1973 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Halocyprida (Order) > Halocyprididae (Family)
     Boroecia Kock, 1992 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Boromys
     Boromys Miller, 1916 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Echimyidae (Family)
 Boromys Dashzeveg, 1990 † accepted as Euboromys Dashzeveg & McKenna, 1991 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Yuomyidae (Family)

Borrera
 Borrera C.P.J. Sprengel, 1830 accepted as Spermacoce Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Borrera Acharius, 1810 accepted as Teloschistes Norman, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Teloschistales (Order) > Teloschistaceae (Family)

Borus
     Borus Albers, 1850 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Strophocheilidae (Family)
 Borus Agassiz, 1846 accepted as Boros Herbst in Jablonsky, 1797 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Boridae (Family)

Borya
     Borya Labillardière, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Boryaceae (Family)
 Borya Willdenow, 1806 accepted as Forestiera Poiret in Lamarck, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Oleaceae (Family)

Borysthenia
     Borysthenia Lindholm, 1914 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Valvatidae (Family)
     Borysthenia F.A. Stanislawski, 1976 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinales (Order) > Podocarpaceae (Family)

Borzaiella
     Borzaiella Makar'eva, 1979 † · Chromista (Kingdom) > Ciliophora (Phylum) > Ciliophora (awaiting allocation) (Class) > Ciliophora (awaiting allocation) (Order) > Ciliophora (awaiting allocation) (Family)
 Borzaiella Grün & Blau, 1996 † accepted as Borzaites Grün & Blau in Aescht, 2001 † · Protozoa (Kingdom) > Protozoa incertae sedis (Phylum) > (Class) > (Order) > Calpionellidae (Family)

Boschia
     Boschia P.W. Korthals in Temminck, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
 Boschia Montagne, 1856 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Marchantiales (Order) > Corsiniaceae (Family)

Boscia
     Boscia Schweigger, 1819 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Boscia Férussac, 1822 accepted as Megatrema Sowerby, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Sessilia (Order) > Pyrgomatidae (Family)
     Boscia Lamarck, 1793 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Capparaceae (Family)
 Boscia Thunberg, 1794 accepted as Vepris Commerson ex A.H.L. Jussieu, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
 Boscia H. Milne Edwards, 1837 accepted as Guinotia Pretzmann, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pseudothelphusidae (Family)
 Boscia Leach, 1814 accepted as Melita Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Melitidae (Family)
 Boscia Leach, 1824 accepted as Selonodon Latreille, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Boscis
     Boscis Brehm, 1828 accepted as Boscis Brehm, 1828 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Boscis Brehm, 1831 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Bosea
     Bosea Das et al., 1996 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Alphaproteobacteria (Class) > Rhizobiales (Order) > Bradyrhizobiaceae (Family)
     Bosea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Bosea S.C. Srivastava, 1975 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Pteridospermopsida (awaiting allocation) (Order) > Pteridospermopsida (awaiting allocation) (Family)
 Bosea He & Qian, 1979 † accepted as Bosedinia He, 1984 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Peridiniales (Order) > Peridiniaceae (Family)

Boskovicia
     Boskovicia Brusina, 1884 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)
     Boskovicia Dostál & Prokop, 2009 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diaphanopterodea (Order) > Martynoviidae (Family)

Bosmina
     Bosmina Baird, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Bosminidae (Family)
     Bosmina Cameron, 1899 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Bosquetella
     Bosquetella Smirnova, 1969 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Thecideida (awaiting allocation) (Family)
     Bosquetella Smirnova, 1967 † accepted as Bosquetella Smirnova, 1969 † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Thecideida (awaiting allocation) (Family)

Bossea
     Bossea H.G.L. Reichenbach, 1841 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Geraniales (Order) > Geraniaceae (Family)
 Bossea Manza, 1937 accepted as Bossiella P.C. Silva, 1957 · Plantae (Kingdom) > Rhodophyta (Phylum) > Rhodophyta incertae sedis (Class) > Cryptonemiales (Order) > Corallinaceae (Family)

Bostra
     Bostra Stål, 1875 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Bostra Walker, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Bostrichoides
 Bostrichoides Duméril, 1806 accepted as Channa Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Channidae (Family)
 Bostrichoides Montrouzier, 1855 accepted as Ancistria Erichson, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Passandridae (Family)

Bostrichopus
     Bostrichopus Goldfuss, 1839 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Bostrichopus Goldfuss, 1836 accepted as Bostrichopus Goldfuss, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Bostrichus
     Bostrichus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bostrichidae (Family)
 Bostrichus Fourcroy, 1785 accepted as Bostrichus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bostrichidae (Family)
 Bostrichus Fabricius, 1775 accepted as Bostrichus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bostrichidae (Family)

Bostrychia
     Bostrychia Reichenbach, 1853(1852) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Threskiornithidae (Family)
     Bostrychia Montagne in Sagra, 1842 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
     Bostrychia Gray, 1847 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Threskiornithidae (Family)
 Bostrychia E.M. Fries, 1821 accepted as Valsa E.M. Fries, 1825 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Valsaceae (Family)

Bostrychus
     Bostrychus Lacepède, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Eleotridae (Family)
 Bostrychus Agassiz, 1846 † accepted as Bostrichus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bostrichidae (Family)

Boswellia
     Boswellia Sokolov, 1939 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Boswellia Roxburgh ex Colebrooke, 1807 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Burseraceae (Family)

Botanebius
     Botanebius Schoenherr, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Botanebius Schönherr, 1833 accepted as Botanebius Schoenherr, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Botanobius
 Botanobius Agassiz, 1846 accepted as Botanebius Schoenherr, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Botanobius Gemminger & Harold, 1871 accepted as Botanebius Schoenherr, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Botellus
     Botellus F. Schütt, 1900 (uncertain)· Chromista (Kingdom) > Ochrophyta (Phylum) > Bacillariophyceae (Class) > Bacillariophyceae (awaiting allocation) (Order) > Bacillariophyceae (awaiting allocation) (Family)
     Botellus Spix & Martius, 1823 accepted as Botellus Spix & Martius, 1823 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Botellus Moniez, 1887 · Chromista (Kingdom) > Cercozoa (Phylum) > Ascetosporea (Class) > Haplosporida (Order) > Haplosporida (awaiting allocation) (Family)
 Botellus Iredale, 1924 accepted as Botelloides Strand, 1928 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Trochidae (Family)

Botelua
 Botelua Hornemann ex Palisot de Beauvois, 1812 accepted as Botelua Hornemann ex Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Botelua Lagasca, 1805 accepted as Bouteloua Lagasca, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Botha
     Botha Shelley, 1902 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Botha Distant, 1911 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Bothria
 Bothria Rondani, 1856 accepted as Botria Rondani, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Bothria Chapman, 1908 accepted as Bothrinia Chapman, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)

Bothrideres
     Bothrideres Haldeman, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bothrideridae (Family)
     Bothrideres Dejean, 1835 accepted as Bothrideres Haldeman, 1843 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bothrideridae (Family)

Bothriogaster
     Bothriogaster Fuhrmann, 1904 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Bothriogaster Sseliwanoff, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Geophilomorpha (Order) > Himantariidae (Family)

Bothriolepis
     Bothriolepis Eichwald, 1840 † · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Antiarcha (Order) > Bothriolepididae (Family)
 Bothriolepis Eichwald, 1840 † accepted as Bothriolepis Eichwald, 1840 † · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Antiarcha (Order) > Bothriolepididae (Family)

Bothrioneurum
     Bothrioneurum Stolc, 1888 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Naididae (Family)
 Bothrioneurum Michaelsen, 1900 accepted as Bothrioneurum Stolc, 1888 · Animalia (Kingdom) > Annelida (Phylum) > Oligochaeta (Class) > Haplotaxida (Order) > Naididae (Family)

Bothriopsis
     Bothriopsis Peters, 1861 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Viperidae (Family)
 Bothriopsis Schneider, 1875 accepted as Bothriopsides Strand, 1928 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Actinocephalidae (Family)

Bothriopterus
     Bothriopterus Chaudoir, 1835 accepted as Bothriopterus Chaudoir, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Bothriopterus Chaudoir, 1838 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Bothriotaenia
     Bothriotaenia Railliet, 1892 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cestoda (awaiting allocation) (Order) > Cestoda (awaiting allocation) (Family)
 Bothriotaenia Edwards, 1897 accepted as Bothriotaenia Edwards, 1897 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cestoda (awaiting allocation) (Order) > Cestoda (awaiting allocation) (Family)
 Bothriotaenia Fuhrmann, 1908 accepted as Tetrabothrius Rudolphi, 1819 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Tetrabothriidae (Family)

Bothrocara
     Bothrocara Uvarov, 1951 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Bothrocara Bean, 1890 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Zoarcidae (Family)

Bothrophis
 Bothrophis Zittel, 1889 † accepted as Bothrophis Zittel, 1889 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Bothrophis Fitzinger, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Bothrophis Fitzinger, 1861 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Viperidae (Family)

Bothrophorus
     Bothrophorus Savchenko & Plyushch, 1984 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)
 Bothrophorus Leuckart, 1819 accepted as Bothriocephalus Rudolphi, 1808 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Pseudophyllidea (Order) > Bothriocephalidae (Family)

Bothropoma
     Bothropoma Thiele, 1924 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Vetigastropoda (Order) > Colloniidae (Family)
     Bothropoma Wagner, 1908 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Bothrops
     Bothrops Spix & Martius, 1823 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Bothrops Wagler, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Viperidae (Family)

Bothrosteus
     Bothrosteus Agassiz, 1844 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Bothrosteus Agassiz, 1844 † accepted as Bothrosteus Agassiz, 1844 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Bothus
     Bothus Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Bothidae (Family)
     Bothus Bonaparte, 1841 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Pleuronectidae (Family)
 Bothus Cava, 1947 accepted as Buthus Leach, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Scorpiones (Order) > Buthidae (Family)

Bothynoderes
     Bothynoderes Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Bothynoderes Chevrolat, 1873 accepted as Asproparthenis Des Gozis, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Bothynophora
     Bothynophora Heer, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera incertae sedis (Family)
     Bothynophora Handlirsch, 1906 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cupedidae (Family)

Botis
     Botis Swainson, 1821 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Botis Agassiz, 1846 accepted as Botys Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Botria
     Botria Rondani, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Botria Loureiro, 1790 accepted as Ampelocissus J.E. Planchon, 1884 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Vitales (Order) > Vitaceae (Family)

Botriopygus
     Botriopygus Desor, 1857 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Botriopygus d'Orbigny, 1856 † accepted as Pygorhynchus L. Agassiz, 1839 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Euechinoidea incertae sedis (Order) > Pygaulidae (Family)

Botrobatys
     Botrobatys Dejean, 1835 accepted as Desmidophorus Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
 Botrobatys Chevrolat, 1842 accepted as Desmidophorus Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Botrophis
     Botrophis Rafinesque, 1828 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
     Botrophis Rochebrune, 1880 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Botryanthus
 Botryanthus Kunth, 1843 accepted as Muscari P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Botryanthus McMurrich, 1910 accepted as Botruanthus McMurrich, 1910 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Ceriantharia (Order) > Botrucnidiferidae (Family)

Botryceras
     Botryceras Flower, 1968 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Endocerida (Order) > Endocerida (awaiting allocation) (Family)
 Botryceras Willdenow, 1811 accepted as Laurophyllus Thunberg, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Anacardiaceae (Family)

Botrydiopsis
     Botrydiopsis A. Borzì, 1889 · Chromista (Kingdom) > Ochrophyta (Phylum) > Xanthophyceae (Class) > Mischococcales (Order) > Botrydiopsidaceae (Family)
 Botrydiopsis Trevisan, 1845 accepted as Lichenomphalia Redhead, Lutzoni, Moncalvo & Vilgalys, 2002 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Hygrophoraceae (Family)

Botrydium
     Botrydium Wallroth, 1815 · Chromista (Kingdom) > Ochrophyta (Phylum) > Xanthophyceae (Class) > Vaucheriales (Order) > Botrydiaceae (Family)
 Botrydium Spach, 1836 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Botryella
     Botryella V.P. Shuysky, 1987 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Codiaceae (Family)
 Botryella H. Sydow & P. Sydow, 1916 accepted as Sphaerellopsis M.C. Cooke, 1883 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Phaeosphaeriaceae (Family)

Botryllus
 Botryllus Oken, 1815 accepted as Botryllus Oken, 1815 · Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
     Botryllus Gaertner, 1774 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Styelidae (Family)
     Botryllus Pallas, 1774 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)

Botryobasidium
 Botryobasidium Rick, 1959 accepted as Botryobasidium Rick, 1959 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Thelephorales (Order) > Thelephoraceae (Family)
     Botryobasidium Donk, 1931 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Cantharellales (Order) > Botryobasidiaceae (Family)

Botryochaete
     Botryochaete Rick, 1959 · Fungi (Kingdom) > Basidiomycota (Phylum) > Basidiomycota incertae sedis (Class) > Basidiomycota incertae sedis (Order) > Basidiomycota incertae sedis (Family)
     Botryochaete Corda, 1854 · Fungi (Kingdom) > Basidiomycota (Phylum) > Atractiellomycetes (Class) > Atractiellales (Order) > Phleogenaceae (Family)

Botryomyces
     Botryomyces Greco, 1916 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Botryomyces G.S. de Hoog & C. Rubio, 1982 accepted as Ybotromyces Rulamort, 1986 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Botryonopa
     Botryonopa Blanchard, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Botryonopa Dejean, 1835 accepted as Botryonopa Blanchard, 1845 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Botryophora
 Botryophora J.G. Agardh, 1887 accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Dasycladales (Order) > Dasycladaceae (Family)
     Botryophora J.D. Hooker, 1888 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Botryophora Bompard, 1867 accepted as Halimeda J.V.F. Lamouroux, 1812 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Codiaceae (Family)

Botryopteris
 Botryopteris K.B. Presl, 1825 accepted as Helminthostachys Kaulfuss, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Ophioglossales (Order) > Ophioglossaceae (Family)
 Botryopteris B. Renault, 1875 † accepted as Botryopteridium A.B. Doweld, 2001 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Stauropteridales (Order) > Botryopteridiaceae (Family)

Botryosphaerostroma
 Botryosphaerostroma Petrak & H. Sydow, 1926 accepted as Sphaeropsis P.A. Saccardo, 1880 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Botryosphaeriales (Order) > Botryosphaeriaceae (Family)
 Botryosphaerostroma Petrak, 1921 accepted as Botryodiplodia (P.A. Saccardo) P.A. Saccardo, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Diaporthales incertae sedis (Family)

Botryosporium
     Botryosporium Corda in J. Sturm, 1831 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Botryosporium Schweinitz, 1832 accepted as Dictyosporium Corda, 1836 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Pleosporales incertae sedis (Family)

Botrys
     Botrys Nieuwland, 1914 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Botrys D.I. Schirschova, 1985 † accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Udoteaceae (Family)
     Botrys C. Bauhin ex Fourreau, 1869 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Botula
     Botula Leske, 1778 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Botula Mörch, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Mytiloida (Order) > Mytilidae (Family)
 Botula Neave, 1939 accepted as Rotula Schumacher, 1817 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Rotulidae (Family)
 Botula accepted as Botulus Guiart, 1938 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Azygiida (Order) > Botulidae (Family)

Botuloides
     Botuloides Freneix, 1960 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)
     Botuloides Y. Zheng, 1979 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Nodosariidae (Family)

Bouchardia
     Bouchardia Davidson, 1850 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Bouchardiidae (Family)
 Bouchardia Guiart, 1927 accepted as Sphyriocephalus Pintner, 1913 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Trypanorhyncha (Order) > Sphyriocephalidae (Family)

Bouchetia
     Bouchetia Dunal in Alph. de Candolle, 1852 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
     Bouchetia Houart & Héros, 2008 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)

Boudiera
     Boudiera M.C. Cooke, 1877 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pezizaceae (Family)
 Boudiera Lázaro Ibiza, 1916 accepted as Phellinus Quélet, 1886 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Hymenochaetales (Order) > Hymenochaetaceae (Family)

Boudierella
     Boudierella P.A. Saccardo in Marchal, 1895 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
 Boudierella Costantin, 1897 accepted as Conidiobolus Brefeld, 1884 · Fungi (Kingdom) > Entomophthoromycota (Phylum) > Entomophthoromycetes (Class) > Entomophthorales (Order) > Ancylistaceae (Family)

Bougainvillea
     Bougainvillea Commerson ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)
 Bougainvillea Forbes, 1848 accepted as Bougainvillia Lesson, 1830 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Bougainvilliidae (Family)

Boulaya
     Boulaya J. Cardot, 1912 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Hypnobryales (Order) > Thuidiaceae (Family)
     Boulaya M. Gandoger, 1886 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Boulaya Carpentier, 1925 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridospermopsida (Class) > Pteridospermopsida (awaiting allocation) (Order) > Pteridospermopsida (awaiting allocation) (Family)

Boulengerina
     Boulengerina Dollo, 1886 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
 Boulengerina Fowler, 1907 accepted as Kuhlia Gill, 1861 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Kuhliidae (Family)

Bourcieria
     Bourcieria Bonaparte, 1850 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Bourcieria Crosse, 1869 accepted as Bourciera Pfeiffer, 1852 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cycloneritimorpha (Order) > Helicinidae (Family)

Bourdonia
     Bourdonia Rybakov, 1990 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Cabiropidae (Family)
 Bourdonia E.L. Greene, 1893 accepted as Chaetopappa A.P. de Candolle, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Bourdotia
     Bourdotia (Bresadola) Bresadola & Torrend, 1913 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Auriculariales (Order) > Auriculariales incertae sedis (Family)
 Bourdotia (Bresadola) Trotter in P.A. Saccardo, 1925 accepted as · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Auriculariales (Order) > Auriculariaceae (Family)
     Bourdotia Dall, 1901 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Lucinidae (Family)

Bouteloua
     Bouteloua Hornemann ex Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Bouteloua Lagasca, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Boutonia
     Boutonia A.P. de Candolle, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Boutonia W. Bojer, 1846 accepted as Hancea B.C. Seemann, 1857 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Bouvierella
     Bouvierella Chevreux, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Calliopiidae (Family)
 Bouvierella Surcouf, 1909 accepted as Bouvieromyia Strand, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tabanidae (Family)

Bouvieria
     Bouvieria Daday, 1913 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Bouvieria Vayssière, 1896 accepted as Berthella Blainville, 1824 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Pleurobranchomorpha (Order) > Pleurobranchidae (Family)

Bovistella
     Bovistella A.P. Morgan, 1892 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
     Bovistella (Morgan) Jeppson & E. Larsson, 2007 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)

Bowenia
     Bowenia J.D. Hooker, 1863 · Plantae (Kingdom) > Tracheophyta (Phylum) > Cycadopsida (Class) > Cycadales (Order) > Zamiaceae (Family)
 Bowenia Haast, 1873 accepted as Rhombosolea Günther, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Pleuronectidae (Family)

Bowiea
     Bowiea W.H. Harvey ex J.D. Hooker, 1867 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Bowiea A.H. Haworth, 1824 accepted as Bowiea A.H. Haworth, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Liliales (Order) > Liliaceae (Family)

Bowkeria
     Bowkeria Quickelberge, 1972 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
     Bowkeria W.H. Harvey, 1859 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Stilbaceae (Family)

Bowmania
     Bowmania G. Gardner, 1843 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Bowmania Walcott, 1925 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)

Bowmaniella
     Bowmaniella Bacescu, 1968 accepted as Bowmaniella Bacescu, 1968 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Mysida (Order) > Mysidae (Family)
 Bowmaniella Heard & Price, 2006 accepted as Chlamydopleon Ortmann, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Mysida (Order) > Mysidae (Family)

Bowringia
 Bowringia Champion ex Bentham, 1852 accepted as Leucomphalos Bentham ex J.E. Planchon, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Bowringia W.J. Hooker, 1853 accepted as Brainea J. Smith, 1856 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Blechnaceae (Family)

Box
 Box Valenciennes in Cuvier & Valenciennes, 1830 accepted as Boops Cuvier, 1814 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sparidae (Family)
 Box Gistl, 1848 accepted as Aspidophorus Ziegler in Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Sphindidae (Family)

Boydia
 Boydia A.L. Smith, 1919 accepted as Vialaea P.A. Saccardo, 1896 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Vialaeaceae (Family)
     Boydia Newman, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Xyloryctidae (Family)

Bozorgniella
     Bozorgniella Rahaghi, 1973 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Rotaliida (Order) > Nummulitidae (Family)
 Bozorgniella Cózar & Vachard, 2001 † accepted as Bozorgnites Cózar, Vachard & Le Coze, 2019 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Pseudoendothyridae (Family)

Bracea
 Bracea N.L. Britton, 1905 accepted as Neobracea N.L. Britton in N.L. Britton & Millspaugh, 1920 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Bracea G. King, 1895 accepted as Sarcosperma J.D. Hooker in Bentham & J.D. Hooker, 1876 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)

Bracebridgea
 Bracebridgea J.Agardh, 1894 accepted as Wrangelia C.Agardh, 1828 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Wrangeliaceae (Family)
 Bracebridgea accepted as Bracebridgia MacGillivray, 1886 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Adeonidae (Family)

Brachaelurus
     Brachaelurus Ogilby, 1907 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Orectolobiformes (Order) > Brachaeluridae (Family)
 Brachaelurus Ogilby, 1908 accepted as Brachaelurus Ogilby, 1907 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Orectolobiformes (Order) > Brachaeluridae (Family)

Brachiacantha
     Brachiacantha Chevrolat, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)
     Brachiacantha Chevrolat in d'Orbigny, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)
     Brachiacantha Dejean, 1835 accepted as Brachiacantha Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)

Brachidia
     Brachidia Solier in Gay, 1849 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melyridae (Family)
 Brachidia Gemminger & Harold, 1868 accepted as Brachidius de Chaudoir, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Brachina
     Brachina Wade, 1972 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Scyphozoa (Class) > Scyphozoa (awaiting allocation) (Order) > Scyphozoa (awaiting allocation) (Family)
     Brachina Barnard & Williams, 1995 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Melitidae (Family)
     Brachina van Beneden, 1850 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)

Brachiolaria
 Brachiolaria Müller, 1848 accepted as Brachiolaria Müller, 1848 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Brachiolaria Müller, 1848 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)

Brachionus
     Brachionus Blumenbach, 1790 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Brachionus Schrank, 1776 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Brachionus Pallas, 1766 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Ploima (Order) > Brachionidae (Family)

Brachionyx
     Brachionyx Meigen, 1832 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Brachionyx Sainte Claire-Deville, 1923 accepted as Brachonyx Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachiosphaera
     Brachiosphaera A. Nawawi in E. Descals et al., 1976 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Jahnulales (Order) > Aliquandostipitaceae (Family)
     Brachiosphaera D. Noël, 1958 † (uncertain)· Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Coccolithophyceae (awaiting allocation) (Order) > Coccolithophyceae (awaiting allocation) (Family)

Brachipus
 Brachipus Bonaparte, 1825 accepted as Brachipus Bonaparte, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Apodidae (Family)
 Brachipus Swainson, 1837 accepted as Brachipus Swainson, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pycnonotidae (Family)
     Brachipus Costa, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Brachipus Latreille, 1828 accepted as Brachygyius Marshall, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Brachirus
     Brachirus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Soleidae (Family)
 Brachirus Swainson, 1838 accepted as Dendrochirus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Scorpaenidae (Family)

Brachonyx
     Brachonyx Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Brachonyx Swainson, 1827 accepted as Mirafra Horsfield, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Alaudidae (Family)

Brachtia
 Brachtia Trevisan, 1848 accepted as Brachtia Trevisan, 1848 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Tetrasporales (Order) > Palmellaceae (Family)
     Brachtia H.G. Reichenbach, 1850 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Brachyacantha
 Brachyacantha Chevrolat in d'Orbigny, 1842 accepted as Brachyacantha Chevrolat in d'Orbigny, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)
     Brachyacantha Dejean, 1835 accepted as Brachyacantha Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)

Brachyandra
 Brachyandra Naudin, 1844 accepted as Brachyandra Naudin, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)
 Brachyandra R.A. Philippi, 1860 accepted as Helogyne Nuttall, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Brachyaspis
     Brachyaspis Salter, 1866 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)
     Brachyaspis Boulenger, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
 Brachyaspis Miller, 1936 † accepted as Brachyaspidion Miller, 1936 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Kingstoniidae (Family)

Brachybamus
     Brachybamus Schönherr, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
     Brachybamus Germar, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
 Brachybamus Germar, 1833 accepted as Brachybamus Germar, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)

Brachybasis
     Brachybasis Swinhoe, 1900 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Brachybasis Selys, 1868 accepted as Brachybasis Selys, 1868 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
     Brachybasis Kirby, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
     Brachybasis Reuter, 1900 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Brachybelus
     Brachybelus Stål, 1869 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Brachybelus Zimmerman, 1994 accepted as Hadrobelus Zimmerman in Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Belidae (Family)
 Brachybelus Naef, 1922 † accepted as Brevibelus Doyle, 1992 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Belemnitida (Order) > Passaloteuthidae (Family)

Brachyblemma
     Brachyblemma Wagler, 1833 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Brachyblemma Hampson, 1926 † accepted as Habershonia Nye, 1975 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Brachycaulus
     Brachycaulus Fairmaire, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Brachycaulus Marshall, 1916 accepted as Brachymiscus Marshall, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachycentrum
     Brachycentrum Dahl, 1886 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Brachycentrum C.F. Meisner, 1838 accepted as Centronia D. Don, 1823 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Brachycentrus
     Brachycentrus Curtis, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Brachycentridae (Family)
     Brachycentrus Szépligeti, 1907 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
     Brachycentrus Taschenberg, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Brachycentrus Metcalf & Bruner, 1925 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Membracidae (Family)

Brachycephalus
     Brachycephalus Fitzinger, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Brachycephalidae (Family)
     Brachycephalus Signoret, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Brachycephalus Förster, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Brachycephalus Hollard, 1857 accepted as Tetraodon Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Tetraodontidae (Family)

Brachyceraea
     Brachyceraea Röder, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Conopidae (Family)
 Brachyceraea Fieber, 1861 accepted as Brachyceraea Fieber, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Brachycercus
     Brachycercus Curtis, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Caenidae (Family)
 Brachycercus Willemse, 1921 accepted as Megra Campion, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Pyrgomorphidae (Family)

Brachychaeta
 Brachychaeta Bezzi in Becker et al., 1907 accepted as Brachichaeta Rondani, 1861 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Brachychaeta Torrey & A. Gray, 1842 accepted as Solidago Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Brachychara
     Brachychara L. Grambast & N. Grambast, 1954 † (uncertain)· Plantae (Kingdom) > Charophyta (Phylum) > Charophyceae (Class) > Charales (Order) > Characeae (Family)
     Brachychara Sharp, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Brachychthonius
     Brachychthonius Berlese, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Brachychthoniidae (Family)
 Brachychthonius auct. non Berlese, 1910 accepted as Liochthonius van der Hammen, 1959 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Brachychthoniidae (Family)

Brachycis
 Brachycis Casey, 1898 accepted as Malacocis Gorham, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ciidae (Family)
 Brachycis Lea, 1913 accepted as Brachyphyes Marshall, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachycladium
     Brachycladium Looss, 1899 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Brachycladiidae (Family)
 Brachycladium M.J. Berkeley, 1848 † accepted as Brachycarphium Berkeley, 1849 † · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > Fungi (awaiting allocation) (Class) > Fungi (awaiting allocation) (Order) > Fungi (awaiting allocation) (Family)
 Brachycladium Corda, 1838 accepted as Dendryphion Wallroth, 1833 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Pleosporaceae (Family)

Brachycnemis
     Brachycnemis Schönherr, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Brachycnemis Waterhouse, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Brachycodon
     Brachycodon (Bentham) A. Progel in C.F.P. Martius, 1865 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
 Brachycodon A.A. Fedorov in B.K. Schischkin & E.G. Bobrov, 1957 accepted as Campanula Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)

Brachycoelia
     Brachycoelia Meade, 1892 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Brachycoelia Waterhouse, 1881 accepted as Migadops Waterhouse, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Brachycola
     Brachycola Warren, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Brachycola Saussure, 1864 accepted as Parahormetica Brunner von Wattenwyl, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)
 Brachycola Audinet-Serville, 1838 accepted as Hormetica Burmeister, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)

Brachycolus
     Brachycolus Buckton, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
     Brachycolus Konow, 1895 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tenthredinidae (Family)

Brachyconger
 Brachyconger Norman, 1922 accepted as Chilorhinus Lütken, 1852 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Chlopsidae (Family)
 Brachyconger Bleeker, 1864 accepted as Cynoponticus Costa, 1845 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Muraenesocidae (Family)

Brachycoryna
     Brachycoryna Dejean, 1835 accepted as Brachycoryna Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Brachycoryna Baly, 1886 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Brachycoryna Guerin-Meneville, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Brachycoryne
     Brachycoryne Mabille, 1883 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
     Brachycoryne Aizenberg, 1935 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)

Brachycosmia
     Brachycosmia Butler, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Brachycosmia Hampson, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Brachycrepis
 Brachycrepis Leconte, 1854 accepted as Anchastus Leconte, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Brachycrepis Ashmead, 1888 accepted as Bubekia Dalla Torre, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)

Brachycrotaphus
     Brachycrotaphus Krauss, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Brachycrotaphus Czerny, 1932 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Heleomyzidae (Family)

Brachycryptus
     Brachycryptus Thomson, 1873 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Brachycryptus Quedenfeldt, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Brachycyrtus
     Brachycyrtus Kriechbaumer, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
 Brachycyrtus Fairmaire, 1886 accepted as Brachycyclus Marshall, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Brachycyrtus Hoffer, 1957 accepted as Brachyencyrtus Hoffer, 1959 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Brachycyttara
     Brachycyttara Turner, 1933 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Brachycyttara Turner, 1945 accepted as Brevicyttara Fletcher in Fletcher & Nye, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Cossidae (Family)

Brachydactyla
     Brachydactyla Brookes, 1828 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Brachydactyla Lacordaire, 1845 accepted as Pseudocrioceris Pic, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Brachydactylus
     Brachydactylus O.M. Reis, 1923 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)
     Brachydactylus Smith, 1834 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
     Brachydactylus Peters, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)

Brachydectes
     Brachydectes Cope, 1868 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
     Brachydectes Owen, 1879 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Goniopholididae (Family)

Brachydella
     Brachydella Ball & Beamer, 1940 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
 Brachydella Coiffait, 1980 accepted as Brachyda Coiffait, 1983 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Brachydema
     Brachydema Fairmaire, 1881 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Brachydema accepted as Tanyproctus Faldermann in Ménétriés, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Brachydema Sloane, 1915 accepted as Sloaneana Csiki, 1933 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Brachydirus
 Brachydirus Smith Woodward, 1891 † accepted as Brachydeirus Koenen, 1880 † · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Arthrodira (Order) > Arthrodira (awaiting allocation) (Family)
 Brachydirus Nordmann, 1837 accepted as Nordus Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Brachydonta
     Brachydonta Schlüter, 1838 accepted as Brachydonta Schlüter, 1838 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Brachydonta Bucquoy, Dautzenberg & Dollfus, 1890 accepted as Brachidontes Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Mytiloida (Order) > Mytilidae (Family)

Brachydromicus
     Brachydromicus Bordoni, 1986 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Brachydromicus Bordoni, 1984 accepted as Geodromicus Redtenbacher, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Brachydromicus Bordoni, 1993 accepted as Geodromicus Redtenbacher, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Brachydromicus Anonymous, 1987 accepted as Geodromicus Redtenbacher, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Brachyelasma
     Brachyelasma Breuning, 1958 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Brachyelasma Lang, Smith & Thomas, 1940 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Rugosa (Order) > Streptelasmatidae (Family)

Brachygaster
     Brachygaster Leach, 1817 accepted as Brachygaster Leach, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Evaniidae (Family)
     Brachygaster von Meyer, 1847 accepted as Brachygaster von Meyer, 1847 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Brachygaster Mulsant, 1853 accepted as Regimbartia Zaitzev, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Brachygaster Meigen, 1826 accepted as Saltella Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sepsidae (Family)

Brachygenius
 Brachygenius Schoch, 1896 accepted as Brachagenius Kraatz, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Brachygenius Dejean, 1834 accepted as Gyriosomus Guérin, 1834 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Brachyglossa
 Brachyglossa Boisduval, 1828 accepted as Acherontia Laspeyres, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Brachyglossa Fauvel, 1866 accepted as Feluva Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Brachyglossa Friese, 1922 accepted as Brachyglossula Hedicke, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Colletidae (Family)

Brachygnathus
     Brachygnathus Perty, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Brachygnathus Agassiz, 1844 † accepted as Brachygnathus Agassiz, 1844 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Brachygnathus Hussakof, 1909 † accepted as Hussakofia Cossmann, 1910 † · Animalia (Kingdom) > Chordata (Phylum) > Placodermi (Class) > Arthrodira (Order) > Dinichthyidae (Family)
 Brachygnathus Gervais, 1848-52 † accepted as Synaphodus Pomel, 1848 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Dichobunidae (Family)

Brachygnatus
     Brachygnatus Pomel, 1848 † accepted as Synaphodus Pomel, 1848 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Dichobunidae (Family)
 Brachygnatus Sturm, 1854 accepted as Brachygnathus Perty, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Brachygonia
     Brachygonia Kirby, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Libellulidae (Family)
     Brachygonia Walsingham, 1900 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)

Brachygramma
 Brachygramma Day, 1865 accepted as Garra Hamilton, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Brachygramma Girault, 1912 accepted as Brachyia Strand, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Trichogrammatidae (Family)

Brachygyne
     Brachygyne (Bentham) J.K. Small, 1903 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)
 Brachygyne Cassini, 1827 accepted as Eriocephalus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Brachyiulus
     Brachyiulus Berlese, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Julida (Order) > Julidae (Family)
     Brachyiulus Verhoeff, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Julida (Order) > Julidae (Family)

Brachylabis
     Brachylabis Dohrn, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Dermaptera (Order) > Anisolabididae (Family)
     Brachylabis Schnabl, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Brachylepis
     Brachylepis Kolbe, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Brachylepis Karpenko & Gulyaev, 1999 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Hymenolepididae (Family)
 Brachylepis C.A. Meyer ex Ledebour, 1829 accepted as Anabasis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Brachylepis W.J. Hooker & Arnott, 1839 (?) accepted as Melinia Decaisne in Alph. de Candolle, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)
 Brachylepis R. Wight & Arnott in R. Wight, 1834 accepted as Decalepis R. Wight & Arnott in R. Wight, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Brachyleptus
     Brachyleptus Motschoulsky, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Kateretidae (Family)
 Brachyleptus Motschulsky, 1870 accepted as Brachyleptus Motschoulsky, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Kateretidae (Family)

Brachylister
 Brachylister Bickhardt, 1914 accepted as Reninus Lewis, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)
 Brachylister Bickhardt, 1917 accepted as Reninus Lewis, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)

Brachylobus
 Brachylobus Dulac, 1867 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Brachylobus de Chaudoir, 1876 accepted as Chlaenius Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Brachyloma
 Brachyloma Chambers, 1878 † accepted as Brachyloma Chambers, 1878 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Brachyloma Sonder in J.G.C. Lehmann, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
 Brachyloma Portevin, 1914 accepted as Ipelates Reitter, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Agyrtidae (Family)
 Brachyloma Hanstein, 1854 accepted as Kohleria Regel, 1847 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)

Brachylophus
     Brachylophus Swainson, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Brachylophus Wagler, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Iguanidae (Family)
     Brachylophus Steven or Fischer Waldheim, 1829 accepted as Brachyderes Schönherr, 1823 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachymeris
     Brachymeris Conrad in Kerr, 1875 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Ungulinidae (Family)
 Brachymeris A.P. de Candolle, 1837 accepted as Phymaspermum Lessing, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Brachymerus
     Brachymerus Dahlbom, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Brachymerus Dejean, 1835 accepted as Brachymerus Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Brachymerus Chevrolat, 1841 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
 Brachymerus Smith, 1847 accepted as Phrynomantis Peters, 1867 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Microhylidae (Family)
 Brachymerus Shaler, 1865 † accepted as Anastrophia Hall, 1867 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Pentamerida (Order) > Parastrophinidae (Family)

Brachymetra
     Brachymetra Mayr, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Gerridae (Family)
 Brachymetra Stossich, 1904 accepted as Ratzia Poche, 1926 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Ratziidae (Family)

Brachymonas
     Brachymonas Hiraishi, Shin & Sugiyama, 1995 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Betaproteobacteria (Class) > Burkholderiales (Order) > Comamonadaceae (Family)
     Brachymonas Grassé, 1952 (uncertain)· Protozoa (Kingdom) > Metamonada (Phylum) > Anaeromonadea (Class) > Oxymonadida (Order) > Polymastigidae (Family)

Brachymycterus
     Brachymycterus Heyden, 1866 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Oedemeridae (Family)
 Brachymycterus Ferguson, 1915 accepted as Brachyrothus Marshall, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachymyia
     Brachymyia Williston, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)
 Brachymyia Parent, 1933 accepted as Brevimyia Miller, 1945 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)

Brachymys
     Brachymys Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Brachymys Meyer, 1847 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Gliridae (Family)
 Brachymys Fairmaire, 1885 accepted as Pachymys Fairmaire, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Byrrhidae (Family)

Brachynema
     Brachynema Mulsant, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
 Brachynema W. Griffith, 1854 accepted as Brachynema W. Griffith, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Verbenaceae (Family)
     Brachynema Bentham, 1857 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Olacaceae (Family)
 Brachynema G. Ålvik, 1934 accepted as Brachynematella P.C. Silva, 1979 · Chromista (Kingdom) > Ochrophyta (Phylum) > Xanthophyceae (Class) > Tribonematales (Order) > Tribonemataceae (Family)
 Brachynema F. von Mueller, 1862 accepted as Abrophyllum J.D. Hooker ex Bentham, 1864 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Rousseaceae (Family)
 Brachynema Cobb, 1893 accepted as Brachynemella Cobb, 1933 · Animalia (Kingdom) > Nematoda (Phylum) > Nematoda incertae sedis (Class) > Nemata incertae sedis (Order) > Nematoda incertae sedis (Family)
 Brachynema Ercegovic, 1931 accepted as Ercegovicia De Toni, 1936 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Pleurocapsales (Order) > Pleurocapsaceae (Family)

Brachyneura
     Brachyneura Selys, 1871 accepted as Brachyneura Selys, 1871 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
 Brachyneura Agassiz, 1846 accepted as Brachineura Rondani, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)

Brachynotus
     Brachynotus De Haan, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Varunidae (Family)
 Brachynotus Kirby in Richardson, 1837 accepted as Podabrus Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cantharidae (Family)

Brachyochirus
 Brachyochirus Bonaparte, 1845 accepted as Aphia Risso, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)
 Brachyochirus Nardo, 1844 accepted as Aphia Risso, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Gobiidae (Family)

Brachyodon
     Brachyodon Lartet, 1868 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Artiodactyla (awaiting allocation) (Family)
     Brachyodon Fürnrohr, 1827 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Seligeriales (Order) > Seligeraceae (Family)
 Brachyodon Trofimov, 1952 † accepted as Ergilobia Trofimov, 1958 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Entelodontidae (Family)
 Brachyodon Jukes-Browne, 1905 accepted as Brachidontes Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Mytiloida (Order) > Mytilidae (Family)

Brachyodus
     Brachyodus Depéret, 1895 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Anthracotheriidae (Family)
     Brachyodus C.G.D. Nees, C.F. Hornschuch & J. Sturm, 1831 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Seligeriales (Order) > Seligeriaceae (Family)

Brachyonyx
 Brachyonyx Agassiz, 1846 accepted as Mirafra Horsfield, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Alaudidae (Family)
 Brachyonyx Gistl, 1834 accepted as Brachonyx Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Brachyonyx Agassiz, 1846 accepted as Brachonyx Schönherr, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachyotus
     Brachyotus Gould, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Brachyotus Kolenati, 1856 accepted as Myotis Kaup, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Vespertilionidae (Family)

Brachypalpus
     Brachypalpus Macquart, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)
 Brachypalpus de Laporte, 1840 accepted as Laccobius Erichson, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Brachypalpus Mitrofanov, 1973 accepted as Brevipalpus Donnadieu, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tenuipalpidae (Family)

Brachypeplus
     Brachypeplus Erichson, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)
 Brachypeplus de Charpentier, 1843 † accepted as Brachystola Scudder, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Romaleidae (Family)

Brachypeza
     Brachypeza Winnertz, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Mycetophilidae (Family)
     Brachypeza Garay, 1972 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Brachyphylla
     Brachyphylla Gray, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Phyllostomidae (Family)
     Brachyphylla Mulsant, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Brachyphyllum
 Brachyphyllum Chi, 1931 † accepted as Bradyphyllum Grabau, 1928 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Stauriida (Order) > Antiphyllidae (Family)
 Brachyphyllum Gray, 1844 accepted as Brachyphylla Gray, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Phyllostomidae (Family)
     Brachyphyllum A.T. Brongniart, 1828 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinales (Order) > Araucariaceae (Family)

Brachyplatys
     Brachyplatys Boisduval, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Plataspidae (Family)
     Brachyplatys Serville in d'Urville, 1835 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Brachyplatysoma
     Brachyplatysoma Bleeker, 1863 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Brachyplatysoma Bleeker, 1862 accepted as Brachyplatysoma Bleeker, 1862 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Brachypleura
     Brachypleura Günther, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Citharidae (Family)
     Brachypleura Angelin † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Brachypodella
     Brachypodella Heissig, 1972 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Perissodactyla (Order) > Rhinocerotidae (Family)
     Brachypodella Beck, 1837 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Urocoptidae (Family)
 Brachypodella Viets, 1926 accepted as Brachypoda Forel, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Aturidae (Family)

Brachypodium
     Brachypodium Palisot de Beauvois, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Brachypodium S.E. Bridel, 1826 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Grimmiales (Order) > Ptychomitriaceae (Family)

Brachypremna
     Brachypremna Osten-Sacken, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)
 Brachypremna Gleason, 1935 accepted as Ernestia A.P. de Candolle, 1828 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Melastomataceae (Family)

Brachyprosopus
     Brachyprosopus Olson, 1937 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Brachyprosopus Schaub, 1942 † accepted as Schaubia Camp, Welles & Green, 1949 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Felidae (Family)

Brachypteris
     Brachypteris Hong Youchong, 1984 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Brachypteris Grisebach, 1839 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Malpighiaceae (Family)

Brachypternus
 Brachypternus Bonaparte, 1850 accepted as Brachypternus Bonaparte, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Brachypternus Strickland, 1841 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Brachypterois
     Brachypterois Fowler, 1938 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Scorpaenidae (Family)
 Brachypterois Jordan & Seale, 1906 † accepted as Bathypterois Günther, 1878 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Aulopiformes (Order) > Ipnopidae (Family)

Brachypterus
     Brachypterus Lesson, 1836 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Brachypterus Kugelann, 1794 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)
 Brachypterus Blyth, 1852 accepted as Bradypterus Swainson, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)
 Brachypterus Gravenhorst, 1829 accepted as Pterocormus Förster, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Brachypterus Dejean, 1835 accepted as Trigonocolus Lacordaire, 1863 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachypteryx
     Brachypteryx Horsfield, 1821 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Muscicapidae (Family)
     Brachypteryx Owen, 1848 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
 Brachypteryx Bonaparte, 1850 accepted as Brachypteryx Bonaparte, 1850 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Brachypteryx Kraatz, 1899 accepted as Syntomopteryx Kraatz, 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Brachypus
 Brachypus Swainson, 1824 accepted as Brachypus Swainson, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pycnonotidae (Family)
 Brachypus Meigen, 1824 accepted as Brachypus Meigen, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Brachypus Guilding, 1828 accepted as Brachypus Guilding, 1828 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Brachypus Ledebour, 1841 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Brachypus Fitzinger, 1826 accepted as Brachypus Fitzinger, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gymnophthalmidae (Family)
     Brachypus Schönherr, 1825 accepted as Brachygyius Marshall, 1939 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
 Brachypus Gray, 1825 accepted as Cacajao Lesson, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Pitheciidae (Family)
 Brachypus Schönherr, 1826 accepted as Brachygyius Marshall, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brachyceridae (Family)
 Brachypus Meyer, 1814 accepted as Apus Scopoli, 1777 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Apodidae (Family)

Brachyramphus
     Brachyramphus Brandt, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Alcidae (Family)
 Brachyramphus A.P. de Candolle, 1838 accepted as Launaea Cassini in F. Cuvier, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Brachyrhamphus
     Brachyrhamphus Brandt, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Brachyrhamphus Bertoni, 1901 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeres (awaiting allocation) (Family)
     Brachyrhamphus Carl, 1915 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Phasmatidae (Family)

Brachyrhinus
 Brachyrhinus Gill, 1862 accepted as Paranthias Guichenot, 1868 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)
 Brachyrhinus Latreille, 1802 accepted as Otiorhynchus Germar, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachyrhopala
     Brachyrhopala Macquart, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
 Brachyrhopala Burmeister, 1865 accepted as Ischionodonta Chevrolat in Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Brachyrhynchocyon
     Brachyrhynchocyon Scott & Jepsen, 1936 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Amphicyonidae (Family)
     Brachyrhynchocyon Senut, 2008 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Insectivora (Order) > Macroscelididae (Family)

Brachyrhynchus
     Brachyrhynchus Fitzinger, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Brachyrhynchus Selys, 1842 accepted as Brachyrhynchus Selys, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Brachyrhynchus Laporte, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aradidae (Family)
     Brachyrhynchus van Beneden, 1871 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Brachyrhynchus Dejean, 1821 accepted as Otiorhynchus Germar, 1824 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Brachyrhynchus Artois & Schockaert, 2013 accepted as Brachyrhynchoides Artois & Schockaert, 2013 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Rhabdocoela (Order) > Polycystididae (Family)

Brachyrrhopala
 Brachyrrhopala Kertész, 1909 accepted as Brachyrhopala Macquart, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
 Brachyrrhopala accepted as Ischionodonta Chevrolat in Thomson, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Brachyrynchus
     Brachyrynchus Selys in van der Maelen, 1831 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Brachyrynchus Laporte, 1833 accepted as Brachyrhynchus Laporte, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aradidae (Family)

Brachys
     Brachys Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Brachys Solier, 1833 accepted as Brachys Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Brachys Zagulyaev, 1979 accepted as Eudarcia Clemens, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)

Brachysaccus
     Brachysaccus Johnston, 1912 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Brachysaccus K. Mädler, 1964 † (uncertain)· Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Brachysaurus
     Brachysaurus Hallowell, 1856 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Tropiduridae (Family)
     Brachysaurus Williston, 1897 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Brachyscelio
     Brachyscelio Brues, 1940 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Brachyscelio Risbec, 1950 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Brachyscelis
     Brachyscelis Germar, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Brachyscelis Schrader, 1863 accepted as Apiomorpha Rübsaamen, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Apiomorphidae (Family)
 Brachyscelis Dejean, 1834 accepted as Pachyscelis Solier, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Brachyscelis Fischer de Waldheim, 1837 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Brachysema
     Brachysema Warren, 1895 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Brachysema R. Brown in W.T. Aiton, 1811 accepted as Gastrolobium R. Brown in W.T. Aiton, 1811 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Brachysipalia
     Brachysipalia Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Brachysipalia Bernhauer, 1935 accepted as Brachysipalia Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Brachysipalia Bernhauer, 1940 accepted as Brachysipalia Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Brachysiphon
     Brachysiphon Chapman, 1906 · Chromista (Kingdom) > Retaria (Phylum) > Monothalamea (Class) > Astrorhizida (Order) > Saccamminidae (Family)
     Brachysiphon A.H.L. Jussieu, 1846 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Penaeaceae (Family)

Brachysoma
     Brachysoma Brandt, 1835 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Brachysoma Dejean, 1821 accepted as Brachysoma Dejean, 1821 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Brachysoma Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
 Brachysoma Austaut, 1880 accepted as Somabrachys Kirby, 1892 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Somabrachyidae (Family)
 Brachysoma Schoenherr, 1833 accepted as Sternechus Schönherr, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachysomus
     Brachysomus Liu in Liu, Yin, Wang, Luo & Wang, 2003 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Palaeonisciformes (Order) > Palaeonisciformes (awaiting allocation) (Family)
     Brachysomus Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Brachyspira
     Brachyspira Hovind-Hougen, Birch-Andersen, Henrik-Nielsen, Orholm, Pedersen, Teglbjaerg & Thaysen, 1983 · Bacteria (Kingdom) > Spirochaetae (Phylum) > Spirochaetes (Class) > Brachyspirales (Order) > Brachyspiraceae (Family)
     Brachyspira Pfeiffer, 1855 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Brachystephanus
     Brachystephanus C.G.D. Nees in Alph. de Candolle, 1847 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Brachystephanus Simpson, Minoprio & Patterson, 1962 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Notoungulata (Order) > Acoelodidae (Family)

Brachysternus
     Brachysternus Dejean, 1833 accepted as Brachysternus Guérin, 1831 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Brachysternus Guérin, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Brachystira
     Brachystira Fieber, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Brachystira Mayr, 1904 accepted as Brachista Walker, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Trichogrammatidae (Family)

Brachystoma
     Brachystoma Meigen, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Empididae (Family)
     Brachystoma Rambur, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Nemopteridae (Family)
     Brachystoma Gardner, 1876 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Brachystoma Gray, 1847 † accepted as Brachytoma Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Turridae (Family)
 Brachystoma Swainson, 1837 accepted as Struthidea Gould, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)

Brachystylus
     Brachystylus Schönherr, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Brachystylus Dulac, 1867 accepted as Koeleria Persoon, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Brachystylus de Chaudoir, 1838 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Brachysynodontis
     Brachysynodontis Bleeker, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Mochokidae (Family)
 Brachysynodontis Bleeker, 1863 accepted as Synodontis Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Mochokidae (Family)

Brachytaenia
     Brachytaenia Stephens, 1852 accepted as Brachytaenia Stephens, 1852 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Brachytaenia Stainton, 1858 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Brachytarsus
 Brachytarsus Schönherr, 1823 accepted as Anthribus Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)
 Brachytarsus LeConte, 1876 accepted as Trigonorhinus Wollaston, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)

Brachyteles
     Brachyteles Spix, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Atelidae (Family)
     Brachyteles Spix & Martius, 1823 accepted as Brachyteles Spix, 1824 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Atelidae (Family)

Brachytes
     Brachytes Westwood in Hope, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)
     Brachytes Hendel, 1914 accepted as Hetschkomyia Hendel, 1914 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)

Brachythrix
     Brachythrix McFadden, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Brachythrix H. Wild & G.V. Pope, 1978 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Brachythrix A. Braun in Rabenhorst, 1865 accepted as Chamaesiphon A. Braun in L. Rabenhorst, 1864 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Chamaesiphonaceae (Family)

Brachytoma
     Brachytoma Westwood, 1874 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Brachytoma Swainson, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Pseudomelatomidae (Family)

Brachytrachelus
     Brachytrachelus Schönherr, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Brachytrachelus Giebel, 1850 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Brachytrachelus Morawitz, 1861 accepted as Trachelobrachys Gemminger in Harold, 1870 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)

Brachytrema
     Brachytrema Cossmann, 1889 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Brachytrema Morris & Lycett, 1851 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Brachytrematidae (Family)

Brachytrichia
     Brachytrichia Zanardini ex Bornet & Thuret, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Symphyonemataceae (Family)
 Brachytrichia Schoch, 1896 accepted as Brachytrichia Schoch, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Brachytrochus
 Brachytrochus Duncan, 1876 accepted as Heterocyathus Milne Edwards & Haime, 1848 · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Caryophylliidae (Family)
     Brachytrochus Reuss, 1864 † · Animalia (Kingdom) > Cnidaria (Phylum) > Anthozoa (Class) > Scleractinia (Order) > Caryophylliidae (Family)

Brachytron
     Brachytron Evans, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)
     Brachytron Selys, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Aeshnidae (Family)

Brachytropis
 Brachytropis Fieber, 1858 accepted as Brachytropis Fieber, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Brachytropis Silvestri, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Paradoxosomatidae (Family)
     Brachytropis (A.P. de Candolle) H.G.L. Reichenbach, 1829 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Polygalaceae (Family)

Brachytropisoma
     Brachytropisoma Silvestri, 1897 accepted as Brachytropisoma Silvestri, 1897 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Chordeumatida (Order) > Opisthocheiridae (Family)
     Brachytropisoma Silvestri, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Chordeumatida (Order) > Opisthocheiridae (Family)

Brachyura
     Brachyura Spix, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Brachyura Kuhl & Hasselt, 1822 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)

Brachyurus
     Brachyurus Thunberg, 1822 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Brachyurus Blyth, 1852 accepted as Brachyurus Blyth, 1852