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Homonyms

IRMNG homonym list - genus level - Initial letter = "L" (1831)

Please note, this is a provisional homonyms list from IRMNG on 2025-01-21, 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.

Labatia
     Labatia O. Swartz, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)
 Labatia Scopoli, 1777 accepted as Labatia Scopoli, 1777 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Celastrales (Order) > Celastraceae (Family)

Labea
     Labea Wallengren, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Labea Dalla-Torre, 1898 accepted as Labea Dalla-Torre, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Labechiella
 Labechiella Sugiyama, 1939 † accepted as Labechiellata Sugiyama, 1940 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Cystiphyllida (Order) > Holmophyllidae (Family)
     Labechiella Yabe & Sugiyama, 1930 † · Animalia (Kingdom) > Porifera (Phylum) > Stromatoporoidea (Class) > Labechiida (Order) > Labechiidae (Family)

Labeo
     Labeo Haliday, 1833 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Bethylidae (Family)
     Labeo Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Labeo Bowdich, 1825 accepted as Labeova Whitley, 1950 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sparidae (Family)

Labeobarbus
 Labeobarbus Rüppell, 1835 accepted as Labiobarbus van Hasselt, 1823 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Labeobarbus Hasselt, 1823 accepted as Labiobarbus van Hasselt, 1823 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Labiata
 Labiata Broch, 1943 accepted as Inferiolabiata Broch, 1951 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Stylasteridae (Family)
     Labiata Fabricius, 1823 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Labiaticola
 Labiaticola Egorov, 1978 accepted as Labiaticola Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Labiaticola Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Labiaticola Zaslavskii, 1956 accepted as Labiaticola Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Labidocera
     Labidocera Lubbock, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Pontellidae (Family)
 Labidocera Gebien, 1925 accepted as Histanocerus Motschoulsky, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Pterogeniidae (Family)

Labidognatha
 Labidognatha Chevrolat in Dejean, 1836 accepted as Coptocephala Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Labidognatha Lacordaire, 1848 accepted as Labidognatha Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Labidomera
     Labidomera Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Labidomera Chevrolat in Guérin, 1844 accepted as Labidomera Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Labidomyia
     Labidomyia Agassiz, 1846 accepted as Labidomyia Stephens, 1829 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Ceratopogonidae (Family)
     Labidomyia Stephens, 1829 accepted as Forcipomyia Meigen, 1818 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Ceratopogonidae (Family)

Labidosaurus
     Labidosaurus Cope, 1896 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Testudines (Order) > Captorhinidae (Family)
 Labidosaurus Wasmann, 1925 accepted as Ecitosaurus Fischer, 1943 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Labidostoma
 Labidostoma Kramer, 1879 accepted as Labidostomma Kramer, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Labidostommatidae (Family)
 Labidostoma Michael, 1888 accepted as Labidostomma Kramer, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Labidostommatidae (Family)
 Labidostoma Bertrand, 1990 accepted as Labidostomma Kramer, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Labidostommatidae (Family)

Labidostomis
 Labidostomis Redtenbacher in Russegger, 1843 accepted as Labidostomis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Labidostomis Germar, 1817 accepted as (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Labidostomis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Labidostomus
 Labidostomus Faldermann, 1837 accepted as Labidostomis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Labidostomus Gistel, 1848 accepted as Labidostomis Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Labio
     Labio Gray, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)
     Labio Oken, 1815 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)
 Labio Swainson, 1839 accepted as Labeova Whitley, 1950 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sparidae (Family)

Labiopora
 Labiopora Levinsen, 1909 accepted as Labioporella Harmer, 1926 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Steginoporellidae (Family)
 Labiopora Moseley, 1879 accepted as Errina Gray, 1835 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Stylasteridae (Family)

Labiosa
 Labiosa Möller, 1832 accepted as Anatina Schumacher, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Mactridae (Family)
     Labiosa Schmidt, 1828 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Mactridae (Family)

Labis
 Labis Dall, 1916 accepted as Leiosolenus Carpenter, 1857 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Mytiloida (Order) > Mytilidae (Family)
 Labis Sowerby, 1842 accepted as Labis Sowerby, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)

Laboceras
 Laboceras Cameron, 1890 accepted as Laboceras Cameron, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Laboceras Shevyrev, 1961 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Aplococeratidae (Family)

Laboulbenia
     Laboulbenia Montagne & C. Robin in C. Robin, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Laboulbeniomycetes (Class) > Laboulbeniales (Order) > Laboulbeniaceae (Family)
     Laboulbenia Lichtenstein, 1878 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pseudococcidae (Family)

Labracinus
     Labracinus Bleeker, 1876 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pseudochromidae (Family)
     Labracinus Schlegel, 1858 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pseudochromidae (Family)

Labradoria
 Labradoria Kormilev, 1951 accepted as Bradaloria Štys & Henry, 2015 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Colobathristidae (Family)
     Labradoria Resser, 1936 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Corynexochida (Order) > Corynexochida (awaiting allocation) (Family)

Labrax
 Labrax Cuvier in Cuvier & Valenciennes, 1828 accepted as Dicentrarchus Gill, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Moronidae (Family)
 Labrax Klein, 1776 accepted as Dicentrarchus Gill, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Moronidae (Family)
 Labrax Pallas, 1810 accepted as Hexagrammos Tilesius, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Hexagrammidae (Family)
 Labrax Walbaum, 1792 accepted as Dicentrarchus Gill, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Moronidae (Family)

Labrocerus
     Labrocerus Sharp in Blackburn & Sharp, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)
 Labrocerus Beal, 2000 accepted as Labrocerus Sharp in Blackburn & Sharp, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dermestidae (Family)

Labrochromis
 Labrochromis Daget, 1952 accepted as Gobiocichla Kanazawa, 1951 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)
 Labrochromis Regan, 1920 accepted as Gaurochromis Greenwood, 1980 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)

Labrophagus
     Labrophagus Casier, 1966 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Aulopiformes (Order) > Aulopiformes (awaiting allocation) (Family)
     Labrophagus Agassiz, 1845 accepted as Labrophagus Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Labrosa
 Labrosa Mello-Leitão, 1939 accepted as Metalibitia Roewer, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Cosmetidae (Family)
     Labrosa Youlou, 1978 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Labrys
     Labrys Qing & Bert, 2018 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Tylenchidae (Family)
     Labrys Vasilyeva & Semenov, 1985 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Alphaproteobacteria (Class) > Rhizobiales (Order) > Xanthobacteraceae (Family)

Labuella
     Labuella Solomina, 2001 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Licharewiidae (Family)
 Labuella Chamberlin & Ivie, 1943 accepted as Oreonetides Strand, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Linyphiidae (Family)

Laburnocytisus
     Laburnocytisus C.K. Schneider, 1907 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Laburnocytisus W. Trelease, 1933 accepted as Laburnocytisus C.K. Schneider, 1907 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Laburnum
     Laburnum Fabricius, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Laburnum Medikus, 1787 accepted as Laburnum Fabricius, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Labus
     Labus Saussure, 1867 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
 Labus Schneider, 1801 accepted as Labrus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labridae (Family)

Labyrinthus
     Labyrinthus Kobluk, 1979 † (uncertain)· Animalia (Kingdom) > Animalia incertae sedis (Phylum) > (Class) > (Order) > (Family)
     Labyrinthus Beck, 1837 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Labyrinthidae (Family)
     Labyrinthus Herrmannsen, 1852 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lacaena
     Lacaena J. Lindley, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Lacaena Gistl, 1848 accepted as Dendrobias Dupont in Audinet-Serville, 1834 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Lacazia
 Lacazia Quatrefages in Quatrefages (Vaillant), 1866 accepted as Priapulus Lamarck, 1816 · Animalia (Kingdom) > Priapulida (Phylum) > Priapulimorpha (Class) > Priapulimorphida (Order) > Priapulidae (Family)
     Lacazia Taborda, V.A. Taborda & McGinnis, 1999 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Onygenales (Order) > Onygenales incertae sedis (Family)

Laccacida
     Laccacida Prinsloo, 1977 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Laccacida Prinsloo, 1981 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Encyrtidae (Family)

Lacconectes
 Lacconectes Régimbart, 1888 accepted as Lacconectus Motschoulsky, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)
 Lacconectes Zimmermann, 1928 accepted as Lacconectus Motschoulsky, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Lacellia
 Lacellia Bubani, 1899 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Lacellia Viviani, 1824 accepted as Laserpitium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lacepedia
 Lacepedia Kunth in Humboldt, Bonpland & Kunth, 1822 accepted as Lacepedia Kunth in Humboldt, Bonpland & Kunth, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Crossosomatales (Order) > Staphyleaceae (Family)
 Lacepedia Castelnau, 1873 accepted as Caesioperca Castelnau, 1872 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Serranidae (Family)

Lacertina
 Lacertina Remes Lenicov & Rossi Batiz in Rossi Batiz & Remes Lenicov, 2011 accepted as Lacertinella Rossi Batiz & Remes Lenicov, 2012 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Delphacidae (Family)
     Lacertina Meuschen, 1778 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)

Laches
 Laches Kaup, 1871 accepted as Chilomazus Zang, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Passalidae (Family)
 Laches Thorell, 1869 accepted as Lachesana Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Zodariidae (Family)
     Laches Gistl, 1848 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Lachesis
 Lachesis Savigny, 1826 accepted as Lachesana Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Zodariidae (Family)
     Lachesis Oberthür & Houlbert, 1922 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Lachesis Hagen, 1861 accepted as Lachesilla Westwood, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Lachesillidae (Family)
     Lachesis Saunders, 1871 accepted as Oedisterna Lacordaire, 1857 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Lachesis Risso, 1826 accepted as Chauvetia Monterosato, 1884 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Buccinidae (Family)
     Lachesis Daudin, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Viperidae (Family)

Lachnaea
 Lachnaea Agassiz, 1846 accepted as Lachnaia Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Lachnaea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)
 Lachnaea Redtenbacher, 1845 accepted as Lachnaia Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Lachnaeus
     Lachnaeus Schoenherr, 1826 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lachnaeus Schönherr, 1823 accepted as Lachnaeus Schoenherr, 1826 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lachnaia
     Lachnaia Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Lachnaia Chevrolat, 1840 accepted as Lachnaia Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Lachnaphis
 Lachnaphis Amyot, 1848 accepted as Lachnaphis Amyot, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Lachnaphis Shinji, 1922 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)

Lachnea
 Lachnea (E.M. Fries) Gillet, 1879 accepted as Scutellinia (M.C. Cooke) Lambotte, 1888 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
 Lachnea Boudier, 1885 accepted as Humaria Fuckel, 1870 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)

Lachnella
     Lachnella E.M. Fries, 1836 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Niaceae (Family)
 Lachnella Boudier, 1885 accepted as Lachnum Retzius, 1795 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Hyaloscyphaceae (Family)

Lachnobolus
 Lachnobolus (E.M. Fries) E.M. Fries, 1849 accepted as Arcyodes O.F. Cook, 1902 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxomycetes (Class) > Trichiales (Order) > Trichiaceae (Family)
 Lachnobolus E.M. Fries, 1825 accepted as Amaurochaete Rostafinski, 1873 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxomycetes (Class) > Stemonitidales (Order) > Amaurochaetaceae (Family)

Lachnocaulon
 Lachnocaulon Clements & Shear, 1931 accepted as Stereocaulon G.F. Hoffmann, 1796 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Stereocaulaceae (Family)
     Lachnocaulon Kunth, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Eriocaulaceae (Family)

Lachnocoelostoma
 Lachnocoelostoma d'Orchymont, 1940 accepted as Coelostoma Brullé, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)
 Lachnocoelostoma Mouchamps, 1958 accepted as Coelostoma Brullé, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Hydrophilidae (Family)

Lachnomyrmex
     Lachnomyrmex Wheeler, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)
     Lachnomyrmex Wheeler in Wheeler & Wheeler, 1989 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)

Lachnophorus
     Lachnophorus Dejean, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Lachnophorus Distant, 1903 accepted as Lanchnophorus Reuter, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Rhyparochromidae (Family)

Lachnopus
     Lachnopus Schönherr, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lachnopus Seidlitz, 1894 accepted as Lachnodactylus Seidlitz, 1898 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Lachnostoma
 Lachnostoma J.C. Hasskarl accepted as Nostolachma T. Durand, 1888 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Lachnostoma Ross, 1951 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphidae (Family)
 Lachnostoma Kunth in Humboldt, Bonpland & Kunth, 1819 accepted as Matelea Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Lachryma
     Lachryma Reeve, 1842 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Triviidae (Family)
     Lachryma Gray, 1832 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Eratoidae (Family)

Lachrymaria
 Lachrymaria accepted as Lacrymaria Bory de St. Vincent, 1824 · Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Haptorida (Order) > Lacrymariidae (Family)
 Lachrymaria Heister ex Fabricius, 1759 accepted as Coix Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Lacides
 Lacides Claparède, 1869 accepted as Lacides Claparède, 1869 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Orbiniida (Order) > Orbiniidae (Family)
     Lacides Walker, 1854 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Lacinaria
 Lacinaria Mousson, 1873 accepted as Laciniaria Hartmann, 1844 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
 Lacinaria J. Hill, 1762 accepted as Liatris J. Gaertner ex Schreber, 1791 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lacinia
     Lacinia Conrad, 1853 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Buccinidae (Family)
 Lacinia Grote, 1863 accepted as Pseudothyatira Grote, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Drepanidae (Family)
     Lacinia Selenka, 1867 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Urochordata (awaiting allocation) (Class) > Urochordata (awaiting allocation) (Order) > Urochordata (awaiting allocation) (Family)

Laciniaria
     Laciniaria Hartmann, 1844 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
     Laciniaria Böttger, 1877 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lacinularia
     Lacinularia Oken, 1815 (uncertain)· Animalia (Kingdom) > Animalia (awaiting allocation) (Phylum) > Animalia (awaiting allocation) (Class) > Animalia (awaiting allocation) (Order) > Animalia (awaiting allocation) (Family)
     Lacinularia Schweigger, 1820 · Animalia (Kingdom) > Rotifera (Phylum) > Monogononta (Class) > Flosculariaceae (Order) > Flosculariidae (Family)

Lacis
     Lacis Schreber, 1789 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Podostemaceae (Family)
 Lacis Dulac, 1867 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Lacis J. Lindley, 1836 accepted as Tulasneantha Royen, 1951 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Podostemaceae (Family)

Lacodes
 Lacodes Pic, 1914 accepted as Sacodes Leconte, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scirtidae (Family)
 Lacodes Le Conte, 1853 accepted as Elodes Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scirtidae (Family)

Lacordaireus
 Lacordaireus Reitter, 1916 accepted as Trachyphloeus Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Lacordaireus Desbrochers, 1874 accepted as Polydius Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lacpatica
     Lacpatica Chevrolat in Dejean, 1836 accepted as Lacpatica Bechyné, 1955 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Lacpatica Bechyné, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Lacrima
     Lacrima Stepanaitys, 1988 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Lacrima Duan & Cao, 1989 † (uncertain)· Animalia (Kingdom) > Animalia incertae sedis (Phylum) > (Class) > (Order) > (Family)
 Lacrima Cate, 1973 accepted as Margovula Iredale, 1935 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ovulidae (Family)

Lacroixia
     Lacroixia Navás, 1924 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Neuroptera (Order) > Neuroptera (awaiting allocation) (Family)
     Lacroixia D.L. Szlachetko, 2003 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Lacrymaria
     Lacrymaria Patouillard, 1887 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Psathyrellaceae (Family)
     Lacrymaria Bory de St. Vincent, 1824 · Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Haptorida (Order) > Lacrymariidae (Family)
 Lacrymaria Ehrenberg, 1830 accepted as Lacrymaria Bory de St. Vincent, 1824 · Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Haptorida (Order) > Lacrymariidae (Family)

Lactaria
 Lactaria Persoon, 1797 accepted as Lactarius Persoon, 1797 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Russulales (Order) > Russulaceae (Family)
 Lactaria Rafinesque, 1838 accepted as Ochrosia A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Lactarius
     Lactarius Persoon, 1797 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Russulales (Order) > Russulaceae (Family)
     Lactarius Valenciennes in Cuvier & Valenciennes, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Lactariidae (Family)

Lactica
     Lactica Erichson, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Lactica sensu Jacoby, 1881 accepted as Cornulactica Bechyné, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Lactonia
 Lactonia Obenberger, 1935 accepted as Laktonia Théry, 1935 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Lactonia Thery accepted as (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Lacunaria
     Lacunaria Conrad, 1866 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
 Lacunaria Dall, 1885 accepted as Lacuna Turton, 1827 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Littorinidae (Family)
     Lacunaria Ducke, 1925 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Ochnaceae (Family)

Lacunella
     Lacunella Deshayes, 1861 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
 Lacunella Dall, 1884 accepted as Lacuna Turton, 1827 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Littorinidae (Family)

Lacunolithus
 Lacunolithus P.R. Bown, 1993 † accepted as · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Coccolithales (Order) > Calyptrosphaeraceae (Family)
     Lacunolithus Lyul'eva, 1989 † · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Unallocated nannoliths (Order) > Lithostromationaceae (Family)

Lacunopsis
     Lacunopsis Deshayes, 1876 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiopsidae (Family)
 Lacunopsis Harmer, 1923 † accepted as Harmeria Tomlin, 1931 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)

Lacustriana
     Lacustriana Bourguignat, 1880 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Viviparidae (Family)
     Lacustriana Fagot, 1892 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Sphaeriidae (Family)

Lacydes
 Lacydes Kinberg, 1866 accepted as Naineris Blainville, 1828 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Orbiniida (Order) > Orbiniidae (Family)
     Lacydes Walker, 1855 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)

Lada
     Lada Wrzesniowski, 1879 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Lada Vejdovský, 1882 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Ladanum
 Ladanum O. Kuntze, 1891 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
     Ladanum Rafinesque, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Cistaceae (Family)

Ladogia
     Ladogia Nalivkin, 1941 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Yunnanellidae (Family)
     Ladogia Nalivkin in Hecker, 1935 † accepted as Ladogia Nalivkin in Hecker, 1935 † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)

Laelaps
 Laelaps Agassiz, 1846 accepted as Laelaps Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
     Laelaps Koch, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Laelapidae (Family)
 Laelaps Cope, 1866 † accepted as Dryptosaurus Marsh, 1877 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Saurischia (Order) > Dryptosauridae (Family)

Laelia
     Laelia J. Lindley, 1831 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Laelia Adanson, 1763 accepted as Laelia Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
     Laelia Stephens, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Laelia Persoon, 1806 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Laeliopsis
     Laeliopsis Aurivillius, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lasiocampidae (Family)
 Laeliopsis Lindley & Paxton, 1853 accepted as Broughtonia R. Brown in W.T. Aiton, 1813 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Laemargus
 Laemargus Müller & Henle, 1837 accepted as Somniosus Lesueur, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Dalatiidae (Family)
 Laemargus Hong, 1983 † accepted as Jurolaemargus Evenhuis, 1994 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anisopodidae (Family)
 Laemargus Krøyer, 1837 accepted as Orthagoriscicola Poche, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pandaridae (Family)

Laemocoridea
     Laemocoridea Wagner, 1957 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Laemocoridea Poppius, 1921 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Laemocoris
     Laemocoris Jakolev, 1882 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Laemocoris Reuter, 1879 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Laemophloeus
 Laemophloeus Laporte, 1840 accepted as Laemophloeus Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cucujidae (Family)
     Laemophloeus Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cucujidae (Family)

Laemosaccidius
     Laemosaccidius Voss, 1941 accepted as Magdalis Germar, 1817 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Laemosaccidius Smreczynski, 1972 accepted as Magdalis Germar, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Laemosaccodes
 Laemosaccodes Zimmerman, 1994 accepted as Zimmermanianthus Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Laemosaccodes Voss, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Laemostenus
 Laemostenus Agassiz, 1846 accepted as Laemostenus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Laemostenus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Laemosthenes
 Laemosthenes Agassiz, 1846 accepted as Laemostenus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Laemosthenes auct., Schaufuss, 1865 accepted as Pristonychus Dejean, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Laemosthenes Gistl, 1848 accepted as Calybe Laporte, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Laena
 Laena Moore, 1906 accepted as Leaena Malmgren, 1866 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)
     Laena Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Laena Fischer de Waldheim, 1824 accepted as Laena Dejean, 1821 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Laena Latreille in Cuvier, 1829 accepted as Laena Dejean, 1821 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Laestadia
     Laestadia Auerswald, 1869 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Gnomoniaceae (Family)
     Laestadia Kunth ex Lessing, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Laetmatonice
 Laetmatonice Kinberg, 1857 accepted as Laetmonice Kinberg, 1856 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Aphroditidae (Family)
 Laetmatonice [auctt.] accepted as Laetmonice Kinberg, 1856 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Aphroditidae (Family)

Laevibuccinum
     Laevibuccinum Conrad, 1865 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Neogastropoda (awaiting allocation) (Family)
 Laevibuccinum Cossmann, 1865 † accepted as Euryochetus Cossmann, 1896 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Neogastropoda (awaiting allocation) (Family)

Laevigatisporites
 Laevigatisporites S. Dybová & A. Jachowicz, 1957 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
     Laevigatisporites A.C. Ibrahim, 1933 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Laevistrombus
     Laevistrombus Abbott, 1960 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Strombidae (Family)
     Laevistrombus Kira, 1955 accepted as Laevistrombus Abbott, 1960 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Strombidae (Family)

Lafoeina
     Lafoeina Sars, 1869 accepted as Lafoeina Sars, 1874 (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Campanulinidae (Family)
     Lafoeina Sars, 1874 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Campanulinidae (Family)

Laganum
     Laganum Agassiz, 1841 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Laganidae (Family)
     Laganum Link, 1807 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Laganidae (Family)

Lagaria
     Lagaria Dallas, 1852 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Lagaria Fresneda, 1998 accepted as Lagariella Fresneda, 2000 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
     Lagaria Walker, 1854 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Lagarus
     Lagarus Philippi, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
 Lagarus Chaudoir, 1838 accepted as Pterostichus Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Lagena
 Lagena Mörch, 1853 accepted as Gelagna Schaufuss, 1869 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)
     Lagena Röding, 1798 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Ranellidae (Family)
     Lagena Kramer, 1881 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Lagena T.C. Vanterpool & G.A. Ledingham, 1930 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Oomycetes incertae sedis (Order) > Lagenaceae (Family)
 Lagena Schumacher, 1817 accepted as Latirolagena Harris, 1897 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Fasciolariidae (Family)
     Lagena Walker & Jacob, 1798 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Lagenidae (Family)
 Lagena Walker & Boys, 1784 accepted as Lagena Walker & Jacob, 1798 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Lagenidae (Family)

Lagenella
 Lagenella E.M. Reid & M.E.J. Chandler, 1933 † accepted as · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
     Lagenella V.S. Maljavkina, 1949 † accepted as Lagenella V.S. Maljavkina, 1949 † (junior homonym)· Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
 Lagenella Grandori, 1935 accepted as Grandoria Corliss, 1960 · Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Trichostomatida (Order) > Coelosomididae (Family)
 Lagenella Rehberg, 1880 accepted as Parastasia W. Michajłow, 1972 · Protozoa (Kingdom) > Euglenozoa (Phylum) > Peranemea (Class) > Natomonadida (Order) > Astasiidae (Family)
 Lagenella Ehrenberg, 1835 accepted as Trachelomonas Ehrenberg, 1835 · Protozoa (Kingdom) > Euglenozoa (Phylum) > Euglenophyceae (Class) > Euglenida (Order) > Euglenidae (Family)
     Lagenella Farre, 1837 (uncertain)· Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Ctenostomatida (Order) > Triticellidae (Family)

Lagenidiopsis
     Lagenidiopsis Golemansky, 1974 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)
 Lagenidiopsis De Wildeman, 1896 accepted as Cystosiphon Roze & Cornu, 1869 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Pythiales (Order) > Pythiaceae (Family)

Lagenifera
     Lagenifera Nutting, 1900 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Lagenifera Cassini, 1816 accepted as Lagenophora Cassini, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lagenocarpus
 Lagenocarpus Klotzsch, 1838 accepted as Erica Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
     Lagenocarpus C.G.D. Nees, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)

Lagenocystis
 Lagenocystis H.F. Copeland, 1956 accepted as Lagena T.C. Vanterpool & G.A. Ledingham, 1930 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Oomycetes incertae sedis (Order) > Lagenaceae (Family)
 Lagenocystis Yamaguti, 1970 † accepted as Didymocystis Ariola, 1902 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Azygiida (Order) > Didymozoidae (Family)

Lagenopsis
     Lagenopsis Gregorio, 1930 † (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)
 Lagenopsis Edmonds, 1980 accepted as Themiste Gray, 1828 · Animalia (Kingdom) > Sipuncula (Phylum) > Sipuncula (awaiting allocation) (Class) > Golfingiida (Order) > Themistidae (Family)

Lagenorhynchus
 Lagenorhynchus Brunet, 1965 accepted as Lagenopolycystis Artois & Schockaert, 2000 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Rhabdocoela (Order) > Polycystididae (Family)
     Lagenorhynchus Gray, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Delphinidae (Family)

Lagenula
 Lagenula Ehrenberg, 1831 accepted as Trachelomonas Ehrenberg, 1835 · Protozoa (Kingdom) > Euglenozoa (Phylum) > Euglenophyceae (Class) > Euglenida (Order) > Euglenidae (Family)
     Lagenula Luo & Hu in Luo, Hu, Chen, Zhang & Tao, 1999 † (uncertain)· Animalia (Kingdom) > Animalia incertae sedis (Phylum) > (Class) > (Order) > (Family)
 Lagenula G. Arnaud, 1930 accepted as Caliciopsis C.H. Peck, 1880 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Coryneliales (Order) > Coryneliaceae (Family)
 Lagenula Loureiro, 1790 accepted as Cayratia A.L. Jussieu in F. Cuvier, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Vitales (Order) > Vitaceae (Family)
     Lagenula de Montfort, 1808 accepted as Lagenula de Montfort, 1808 (taxon inquirendum)· Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Lagenidae (Family)

Lagerheimiella
 Lagerheimiella Boedijn, 1940 accepted as Lagerheimia (G.B. De Toni, 1889) R. Chodat, 1895 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Chlorellales (Order) > Oocystaceae (Family)
 Lagerheimiella Borzi, 1914 accepted as Lagerheimiella Borzi, 1914 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)

Lagidium
 Lagidium Malaise, 1933 accepted as Lagidium Malaise, 1933 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tenthredinidae (Family)
     Lagidium Meyen, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Chinchillidae (Family)

Lagoa
     Lagoa Harris, 1841 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Megalopygidae (Family)
 Lagoa T. Durand, 1888 accepted as Petalostelma Fournier in C.F.P. Martius, 1885 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Lagocheirus
     Lagocheirus Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Lagocheirus Newman, 1847 accepted as Lagocheirus Dejean, 1835 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Lagochilus
     Lagochilus Loew, 1860 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Lagochilus Fischer, 1885 accepted as Lagochilus Fischer, 1885 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Cyclophoridae (Family)
     Lagochilus Bunge ex Bentham, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
     Lagochilus Blanford, 1864 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Pupinidae (Family)

Lagochirus
     Lagochirus Erichson, 1847 accepted as Lagochirus Agassiz, 1846 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Lagochirus Agassiz, 1846 accepted as Lagocheirus Dejean, 1835 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Lagomys
 Lagomys Herrera, 1897 accepted as Romerolagus Merriam, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Leporidae (Family)
 Lagomys Storr, 1780 accepted as Marmota Blumenbach, 1779 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Sciuridae (Family)
 Lagomys Cuvier, 1800 accepted as Prolagus Pomel, 1852 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Prolagidae (Family)

Lagopezus
     Lagopezus Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)
 Lagopezus Schönherr, 1839 accepted as Lagopezus Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)

Lagopsis
     Lagopsis Schlosser, 1884 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Ochotonidae (Family)
     Lagopsis Rafinesque, 1815 accepted as Lagopsis Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Leporidae (Family)
     Lagopsis (Bunge ex Bentham) Bunge, 1835 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Lagopus
     Lagopus Brisson, 1760 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Phasianidae (Family)
 Lagopus Reichenbach, 1817 accepted as Callopistria Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Lagopus J. Hill, 1756 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Lagopus J.J. Bernhardi, 1800 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Lagopus (Grenier & Godron) Fournier, 1869 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Lagos
     Lagos Brookes, 1828 accepted as Lepus Linnaeus, 1758 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Leporidae (Family)
 Lagos Palmer, 1904 accepted as Lepus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Lagomorpha (Order) > Leporidae (Family)

Lagoseris
 Lagoseris Marschall von Bieberstein, 1810 accepted as Crepis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lagoseris Hoffmannsegg & Link, 1820-1828 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lagosterna
     Lagosterna Dejean, 1833 accepted as Lagosterna Dejean, 1833 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Lagosterna Erichson, 1847 accepted as Sparrmannia Laporte de Castelnau, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Lagostomus
     Lagostomus Brookes, 1828 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Chinchillidae (Family)
 Lagostomus Schönherr, 1833 accepted as Dermatodes Schönherr, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lagotis
 Lagotis E.H.F. Meyer, 1843 accepted as Carpacoce Sonder in W.H. Harvey & Sonder, 1865 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Lagotis Bennett, 1833 accepted as Lagidium Meyen, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Chinchillidae (Family)
     Lagotis de Blainville, 1817 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Pedetidae (Family)
     Lagotis J. Gaertner, 1770 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Plantaginaceae (Family)

Lagriomima
     Lagriomima Pic, 1950 accepted as Neogria Borchmann, 1911 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Lagriomima Pic, 1934 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Lagriostira
     Lagriostira Fairmaire, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Lagriostira Kolbe, 1902 accepted as Alagria Borchmann, 1916 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Laguncula
     Laguncula M. Black, 1971 † · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Coccolithophyceae incertae sedis (Order) > (Family)
 Laguncula Fisher, 1881 accepted as Trachelomonas Ehrenberg, 1835 · Protozoa (Kingdom) > Euglenozoa (Phylum) > Euglenophyceae (Class) > Euglenida (Order) > Euglenidae (Family)
     Laguncula Benson, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Naticidae (Family)
 Laguncula van Beneden, 1845 accepted as Farrella Ehrenberg, 1838 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Ctenostomatida (Order) > Farrellidae (Family)

Lagurus
     Lagurus Gloger, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Cricetidae (Family)
     Lagurus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Lagyra
     Lagyra Walker, 1860 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Lagyra Walker in Tennent, 1859 accepted as Lagyra Walker in Tennent, 1859 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Lahillia
 Lahillia Loriol, 1906 accepted as Poraniopsis Perrier, 1891 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Spinulosida (Order) > Poraniidae (Family)
     Lahillia Cossmann, 1899 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cardiidae (Family)

Lahuseniocrinus
     Lahuseniocrinus Tschernyschew, 1892 † accepted as Lahuseniocrinus Tschernyschew, 1892 † (nomen nudum)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Lahuseniocrinus Tschernyschew, 1893 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)

Laichowcypris
 Laichowcypris Mai, 1978 accepted as Cyprinus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Laichowcypris Nguyen & Doan, 1969 accepted as Cyprinus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Laima
     Laima Gravitis in Sorokin & Kayak, 1981 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Lingulidae (Family)
     Laima Alekseev & Tomaszewska, 2018 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)

Laimodonta
 Laimodonta H. Adams & A. Adams, 1855 accepted as Laemodonta Philippi, 1846 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ellobiida (Order) > Ellobiidae (Family)
     Laimodonta Bronn, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ellobiida (Order) > Ellobiidae (Family)

Laingia
     Laingia Theobald, 1922 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Aphididae (Family)
     Laingia Kylin, 1929 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Delesseriaceae (Family)
 Laingia Bouillon, 1978 accepted as Magapia Schuchert & Bouillon, 2009 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Magapiidae (Family)

Lais
     Lais Kinberg, 1865 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Order) > Oenonidae (Family)
     Lais de Filippi, 1862 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Lais Selys, 1853 accepted as Mnesarete Cowley, 1934 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Calopterygidae (Family)
 Lais Bleeker, 1857 accepted as Laides Jordan, 1919 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ailiidae (Family)
     Lais R.A. Salisbury, 1866 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
     Lais Gistl, 1848 accepted as Cynthia Savigny, 1816 (junior objective synonym)· Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Stolidobranchia (Order) > Bolteniidae (Family)

Laiyangia
     Laiyangia Jin, 2024 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Gnetopsida (Class) > Gnetales (Order) > Ephedraceae (Family)
     Laiyangia Grabau, 1923 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Lakhonia
     Lakhonia Yang, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)
 Lakhonia Descarpentries & Villiers, 1967 accepted as Svataea Alonso-Zarazaga & Roca-Cusachs, 2017 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Lakshmia
 Lakshmia J.F. Veldkamp, 2008 accepted as Hemisorghum C.E. Hubbard in N.L. Bor, 1960 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Lakshmia Yakovlev, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Cossidae (Family)

Lalage
     Lalage Boie, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)
     Lalage Müller, 1858 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)
     Lalage Robineau-Desvoidy, 1863 accepted as Chetogena Rondani, 1856 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Lalage J. Lindley, 1834 accepted as Bossiaea Ventenat, 1800 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Lalaria
 Lalaria Nicolet in Gay, 1849 accepted as Aora Krøyer, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Aoridae (Family)
     Lalaria R.T. Moore, 1990 · Fungi (Kingdom) > Ascomycota (Phylum) > Taphrinomycetes (Class) > Taphrinales (Order) > Taphrinaceae (Family)

Lalax
     Lalax Holloway & Lane, 1998 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Corynexochida (Order) > Styginidae (Family)
     Lalax Hamilton, 1990 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lalacidae (Family)

Laletes
     Laletes Sclater, 1861 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Laletes Sharpe, 1909 accepted as Laletes Sharpe, 1909 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Lallemandia
     Lallemandia Funkhouser, 1922 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Membracidae (Family)
     Lallemandia China, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cercopidae (Family)

Lallemantia
     Lallemantia Mabille, 1868 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lallemantia F.E.L. Fischer & C.A. Meyer, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Lalokia
     Lalokia (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
     Lalokia Szawaryn & Tomaszewska, 2013 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)

Lama
 Lama Frisch, 1775 accepted as Lama Cuvier, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Camelidae (Family)
     Lama Walker, 1869 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Lama Cuvier, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Camelidae (Family)

Lamachus
     Lamachus Förster, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Lamachus Stål, 1877 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Lamarckia
 Lamarckia Leach, 1852 accepted as Rissoa Desmarest, 1814 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Rissoidae (Family)
 Lamarckia G. Olivi, 1792 accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Codiaceae (Family)
 Lamarckia Vahl, 1810 accepted as Markea L.C. Richard, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
     Lamarckia C. Moench, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Lamarckia Gray, 1852 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lamarckina
 Lamarckina Quidor, 1913 accepted as Caligodes Heller, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Caligidae (Family)
     Lamarckina Berthelin, 1881 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Robertinida (Order) > Ceratobuliminidae (Family)

Lamarkea
 Lamarkea H.G.L. Reichenbach, 1828 accepted as Lamarchea Gaudichaud-Beaupré in Freycinet, 1830 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Lamarkea Persoon, 1805 accepted as Markea L.C. Richard, 1792 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)

Lamarkia
 Lamarkia Paetel, 1875 accepted as Lamarkia Paetel, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Lamarkia C. Moench, 1794 accepted as Lamarckia C. Moench, 1794 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Lamarkia Medikus, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Lambdoconus
 Lambdoconus Ameghino, 1897 † accepted as Lambdaconus Ameghino, 1897 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Litopterna (Order) > Proterotheriidae (Family)
     Lambdoconus Ameghino, 1897, nom. nud. † accepted as Lambdaconus Ameghino, 1897 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Litopterna (Order) > Proterotheriidae (Family)

Lambertella
     Lambertella Mercier, 1935 † · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Paxillosida (Order) > Astropectinidae (Family)
     Lambertella F. von Höhnel, 1918 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Rutstroemiaceae (Family)

Lambertia
 Lambertia Korshikov, 1953 accepted as Korshikoviella P.C. Silva, 1959 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Sphaeropleales (Order) > Characiaceae (Family)
     Lambertia Oppenheim, 1899 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Lambertia Robineau-Desvoidy, 1863 accepted as Lambertia Robineau-Desvoidy, 1863 (nomen dubium)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
 Lambertia Souverbie, 1869 accepted as Stilapex Iredale, 1925 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Eulimidae (Family)
 Lambertia Brzeski, 1977 † accepted as Filenchus Andrássy, 1954 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Psilenchidae (Family)
 Lambertia Perugia, 1894 accepted as Neosilurus Steindachner, 1867 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Plotosidae (Family)
     Lambertia J.E. Smith, 1798 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)

Lamberticeras
     Lamberticeras Kilian, 1910 accepted as Lamberticeras Kilian, 1910 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lamberticeras Buckman, 1920 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Cardioceratidae (Family)

Lambertiella
 Lambertiella M.R. Cooper, 1991 † accepted as Andivaugonia Leanza, 1993 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Trigoniida (Order) > Iotrigoniidae (Family)
 Lambertiella Checchia-Rispoli, 1917 † accepted as Peronella Gray, 1855 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Clypeasteroida (Order) > Laganidae (Family)

Lambertonia
     Lambertonia Kieffer, 1901 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Lambertonia Lallemand, 1950 accepted as Lambertoniana Dmitriev, 2020 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Ricaniidae (Family)

Lambia
     Lambia Hendel, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Platystomatidae (Family)
     Lambia Delépine, 1967 · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Bryopsidales (Order) > Bryopsidaceae (Family)

Lamella
     Lamella Bahir & Yeo, 2007 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gecarcinucidae (Family)
     Lamella J. Brun, 1894 · Chromista (Kingdom) > Bacillariophyta (Phylum) > (Class) > Bacillariophyta (awaiting allocation) (Order) > (Family)

Lamellaria
     Lamellaria Oken, 1815 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lamellaria Montagu, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Velutinidae (Family)
     Lamellaria d'Orbigny in Sagra, 1842 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lamellaria Liardet, 1876 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lamellifera
 Lamellifera Monterosato, 1892 accepted as Muticaria Lindholm, 1925 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
     Lamellifera Westerlund, 1890 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lamellina
     Lamellina Pease, 1861 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lamellina Bory de St. Vincent, 1826 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Lamelloceras
 Lamelloceras Erben, 1960 † accepted as Gyroceratites Meyer, 1831 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Anarcestida (Order) > Mimoceratidae (Family)
     Lamelloceras Erben in Erben et al., 1960, nom. nud. † accepted as Gyroceratites Meyer, 1831 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Anarcestida (Order) > Mimoceratidae (Family)

Lamesis
 Lamesis Westwood accepted as Xenorhipis Leconte, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Lamesis Westwood, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Eucnemidae (Family)

Lamia
 Lamia Nowakowski, 1884 accepted as Entomophthora G. Fresenius, 1856 · Fungi (Kingdom) > Entomophthoromycota (Phylum) > Entomophthoromycetes (Class) > Entomophthorales (Order) > Entomophthoraceae (Family)
     Lamia Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Lamia Linnavuori, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cicadellidae (Family)
     Lamia Gistl, 1848 accepted as Astynomus Dejean, 1835 (junior objective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Lamia Risso, 1827 accepted as Lamna Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Lamniformes (Order) > Lamnidae (Family)

Lamina
     Lamina Forster, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Toxopidae (Family)
     Lamina Voloshina, 1972 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lituolida (Order) > Lituolidae (Family)

Laminalloptes
     Laminalloptes Dubinin, 1953 accepted as Laminalloptes Dubinin, 1955 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Alloptidae (Family)
     Laminalloptes Dubinin, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Alloptidae (Family)

Laminaria
     Laminaria J.V.F. Lamouroux, 1813 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Laminariales (Order) > Laminariaceae (Family)
 Laminaria Gray, 1824 accepted as Lamellaria Montagu, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Velutinidae (Family)
     Laminaria Gray, 1821 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Laminaria Mayer, 1867 accepted as Resania Gray, 1853 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Mactridae (Family)

Laminarites
     Laminarites E. Eichwald, 1854 † accepted as Vendotaenia M.B. Gnilovskaja, 1971 † (junior homonym)· Plantae (Kingdom) > Algae incertae sedis (Phylum) > Vendophyceae (Class) > Vendotaeniales (Order) > Vendotaeniaceae (Family)
     Laminarites (A.T. Brongniart) Sternberg, 1833 † (uncertain)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)

Laminifera
     Laminifera Böttger, 1863 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)
 Laminifera Poche, 1902 accepted as Phyllothyreus Norman, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pandaridae (Family)

Laminurus
     Laminurus Repina, 1960 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)
     Laminurus Repina in Zhuravleva & Repina, 1959 † accepted as Laminurus Repina, 1960 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)

Lamiopsis
     Lamiopsis Gill, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Carcharhiniformes (Order) > Carcharhinidae (Family)
     Lamiopsis (Dumortier) Opiz, 1852 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Lamna
 Lamna Chambers, 1878 † accepted as Lamna Chambers, 1878 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)
     Lamna Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Lamniformes (Order) > Lamnidae (Family)

Lamnodus
     Lamnodus Agassiz, 1845 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Lamnodus Agassiz, 1844 † accepted as Lamnodus Agassiz, 1844 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Lamontia
     Lamontia Kaye, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Zygaenidae (Family)
     Lamontia Kirk, 1895 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Baerida (Order) > Baeriidae (Family)

Lamottea
 Lamottea Pomel, 1870 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Lamottea Poisson, 1954 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Lamottea Basilewsky, 1953 accepted as Paraleleupidia Basilewsky, 1951 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Lamottea Pomel, 1860 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lamourouxia
     Lamourouxia Kunth in Humboldt, Bonpland & Kunth, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Orobanchaceae (Family)
 Lamourouxia C.A. Agardh, 1817 accepted as Claudea J.V.F. Lamouroux, 1813 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Delesseriaceae (Family)
     Lamourouxia d'Hondt & Gordon, 1999 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Ellisinidae (Family)

Lampadopsis
     Lampadopsis Rye, 1882 accepted as Lampasopsis Jousseaume, 1881 (unjustified emendation)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Bursidae (Family)
     Lampadopsis Fischer, 1884 accepted as Lampasopsis Jousseaume, 1881 (unjustified emendation)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Bursidae (Family)

Lampania
     Lampania Gray, 1840 accepted as Lampania Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Batillariidae (Family)
 Lampania Gray, 1847 accepted as Batillaria Benson, 1842 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Batillariidae (Family)

Lampas
     Lampas Meuschen, 1787 accepted as (unavailable name)· Animalia (Kingdom) > Brachiopoda (Phylum) > (Class) > (Order) > (Family)
 Lampas Schumacher, 1817 accepted as Tutufa Jousseaume, 1881 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Bursidae (Family)
 Lampas de Montfort, 1808 accepted as Lenticulina Lamarck, 1804 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Vaginulinidae (Family)
     Lampas Danser, 1929 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Loranthaceae (Family)

Lampedusa
     Lampedusa Dillon & Dillon, 1945 accepted as Neolampedusa Monné, 2005 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Lampedusa Böttger, 1877 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)

Lampetia
     Lampetia Curtis, 1830 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Lampetia Boie, 1837 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Lampetia König, 1825 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Burseraceae (Family)
 Lampetia M.J. Roemer, 1846 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
 Lampetia Rafinesque, 1837 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
     Lampetia Chun, 1880 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Cydippida (Order) > Lampeidae (Family)
 Lampetia Meigen, 1800 accepted as Lampetia Meigen, 1800 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)
     Lampetia Stephens, 1827 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)

Lampetis
     Lampetis Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Lampetis Chevrolat, 1834 accepted as Lampetis Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Lampetis Spinola, 1837 accepted as Lampetis Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Lampetra
 Lampetra Gray, 1851 accepted as Lampetra Bonnaterre, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Cephalaspidomorphi (Class) > Petromyzontiformes (Order) > Petromyzontidae (Family)
 Lampetra Malm, 1863 accepted as Petromyzon Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Cephalaspidomorphi (Class) > Petromyzontiformes (Order) > Petromyzontidae (Family)
     Lampetra Bonnaterre, 1788 · Animalia (Kingdom) > Chordata (Phylum) > Cephalaspidomorphi (Class) > Petromyzontiformes (Order) > Petromyzontidae (Family)
 Lampetra Oken, 1816 accepted as Lampetra Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Lampra
 Lampra Bonnevie, 1898 accepted as Corymorpha M. Sars, 1835 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Corymorphidae (Family)
 Lampra Boeck, 1871 accepted as Tritaeta Boeck, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Dexaminidae (Family)
 Lampra Hübner, 1821 accepted as Noctua Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Lampra Dejean, 1833 accepted as Lamprodila Motschoulsky, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Lampra Lacordaire, 1832 accepted as Lamprodila Motschoulsky, 1860 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Lampra Lacordaire in Boisduval & Lacordaire, 1835 accepted as Lamprodila Motschoulsky, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
 Lampra Bentham, 1842 accepted as Weldenia J.H. Schultes, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Commelinaceae (Family)

Lamprella
     Lamprella Reuter, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Lamprella Bolivar, 1921 accepted as Phyllodromica Fieber, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Ectobiidae (Family)

Lamprias
 Lamprias Dejean, 1825 accepted as Lamprias Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Lamprias Gistl, 1834 accepted as Alaus Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Lamprias Bonelli, 1810 accepted as Lebia Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Lamprina
     Lamprina Latreille, 1806 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)
     Lamprina Hope, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Lamproblatta
 Lamproblatta Princis, 1954 accepted as Neostylopyga Shelford, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blattidae (Family)
     Lamproblatta Hebard, 1919 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Lamproblattidae (Family)

Lamprocephalus
     Lamprocephalus B. Nordenstam, 1976 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Lamprocephalus Reichenbach, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Lamprocheila
     Lamprocheila Obenberger, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Lamprocheila Saunders, 1871 accepted as Lamprocheila Saunders, 1871 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Lamprocryptus
     Lamprocryptus Schmiedeknecht, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Lamprocryptus Cameron, 1909 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Lamprocystis
     Lamprocystis Schröter, 1886 (Approved Lists, 1980) · Bacteria (Kingdom) > Proteobacteria (Phylum) > Gammaproteobacteria (Class) > Chromatiales (Order) > Chromatiaceae (Family)
     Lamprocystis Pfeffer, 1883 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Microcystidae (Family)

Lamproderma
 Lamproderma Grube, 1877 accepted as Leocrates Kinberg, 1866 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Hesionidae (Family)
     Lamproderma Rostafinski, 1873 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxomycetes (Class) > Physarales (Order) > Lamprodermataceae (Family)

Lamprodrilus
     Lamprodrilus Izosimov, 1962 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
     Lamprodrilus Michaelsen, 1901 · Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Lumbriculida (Order) > Lumbriculidae (Family)

Lamprogaster
     Lamprogaster Macquart, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Platystomatidae (Family)
     Lamprogaster Bolívar, 1878 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)

Lamprolepis
     Lamprolepis Felder, 1874 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Lamprolepis Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Lamprolophos
     Lamprolophos des Murs in Chenu, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Lamprolophos Reichenbach, 1853 accepted as Lamprolophos Reichenbach, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Lamprolophus
 Lamprolophus Reichenbach, 1853 accepted as Lamprolophus Reichenbach, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Lamprolophus Busck, ? 1900 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Heliodinidae (Family)

Lampronetes
 Lampronetes Motschoulsky, 1853 accepted as Pelania Mulsant, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)
 Lampronetes Motschulsky, 1852 accepted as Lampyris Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Lampronia
     Lampronia Stephens, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Prodoxidae (Family)
     Lampronia Stephens, 1829 accepted as Lampronia Stephens, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Prodoxidae (Family)

Lampronotus
     Lampronotus Brookes, 1830 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Lampronotus Douglas & Scott, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)

Lampropeltis
     Lampropeltis Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
     Lampropeltis Öpik, 1967 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)

Lamprophaes
 Lamprophaes Lefèvre, 1876 accepted as Drakhshandus Aslam, 1968 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Lamprophaes Grube, 1867 accepted as Leocrates Kinberg, 1866 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Hesionidae (Family)

Lampropholis
 Lampropholis Menge in Berendt, 1854 accepted as Allacrotelsa Silvestri, 1935 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Lepismatidae (Family)
     Lampropholis Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Lamprophonus
     Lamprophonus Morris, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Lamprophonus Bates, 1889 accepted as Trichotichnus Morawitz, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Lamprophorus
 Lamprophorus Burr, 1912 accepted as Lamprophorella Mjöberg, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Dermaptera (Order) > Chelisochidae (Family)
 Lamprophorus Gemminger & Harold, 1869 accepted as Lamprigera Motschoulsky, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Lamprophyllum
     Lamprophyllum Wedekind, 1927 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Halliidae (Family)
     Lamprophyllum Hebard, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Lamprophyllum W.P. Schimper ex V.F. Brotherus in Engler & Prantl, 1907 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Bryaceae (Family)
     Lamprophyllum Miers, 1855 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Clusiaceae (Family)

Lamproptera
     Lamproptera Gray, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Papilionidae (Family)
 Lamproptera Germar, 1833 accepted as Biturritia Goding, 1930 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Biturritiidae (Family)

Lampropygia
     Lampropygia Reichenbach, 1854 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Lampropygia Hampson, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Lampros
 Lampros Meinert, 1877 accepted as Lamprops G.O. Sars, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Cumacea (Order) > Lampropidae (Family)
     Lampros Kollar, 1832 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Lamprosaurus
     Lamprosaurus Meyer, 1860 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Sauropterygia incertae sedis (Order) > Sauropterygia (awaiting allocation) (Family)
     Lamprosaurus Hallowell, 1852 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Lamprosia
 Lamprosia Hampson, 1900 accepted as Lamprosiella Collins, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Lamprosia Hübner, 1821 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Lamprosoma
 Lamprosoma Jacquelin du Val, 1856 accepted as Oomorphus Curtis, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Lamprosoma Kirby, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Lamprosoma Hallowell, 1856 accepted as Chionactis Cope, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)

Lamprostoma
 Lamprostoma Swainson, 1840 accepted as Trochus Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)
 Lamprostoma Adams, 1854 accepted as Neritina Lamarck, 1816 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cycloneritimorpha (Order) > Neritidae (Family)

Lamprotes
 Lamprotes Swainson, 1837 accepted as Compsothraupis Richmond, 1915 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)
     Lamprotes Reichenbach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Lamprotes Heinemann, 1870 accepted as Eulamprotes Bradley, 1971 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)
     Lamprotes Walker in Curtis, 1829-30 accepted as Lamprotes Walker in Curtis, 1829-30 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Lamprothamnus
 Lamprothamnus A. Braun, 1882 accepted as Lamprothamnium J. Groves, 1916 · Plantae (Kingdom) > Charophyta (Phylum) > Charophyceae (Class) > Charales (Order) > Characeae (Family)
     Lamprothamnus Hiern in D. Oliver, 1877 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Lamprotrechus
     Lamprotrechus Reuter, 1884 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Lamprotrechus Ueno, 1975 accepted as Nesiotrechus Ueno, 1995 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Lamproxynella
     Lamproxynella Hering, 1942 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
     Lamproxynella Hering, 1941 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Lamprus
 Lamprus Agassiz, 1846 accepted as Lamprus Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Lamprus Billberg, 1820 accepted as Lamprias Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Lampyris
 Lampyris Fourcroy, 1785 accepted as Lampyris Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)
     Lampyris Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Lamus
     Lamus Stål, 1859 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
     Lamus Stål, 1853 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Pentatomidae (Family)

Lamyella
 Lamyella E.M. Fries, 1849 accepted as Valsa E.M. Fries, 1825 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Valsaceae (Family)
 Lamyella Berlese, 1899 accepted as Neolamya Theissen & H. Sydow, 1918 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Lamyella Glibert & van de Poel, 1967 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Bivalvia (awaiting allocation) (Order) > Bivalvia (awaiting allocation) (Family)

Lamyra
     Lamyra Loew, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
 Lamyra (Cassini) Cassini in F. Cuvier, 1822 accepted as Ptilostemon Cassini, 1816 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lamyrodes
     Lamyrodes Meyrick, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
 Lamyrodes Marshall, 1939 accepted as Marshallanthus Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lamyrus
     Lamyrus Schönherr, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Lamyrus Radermacher, 1779 accepted as Lampyris Geoffroy, 1762 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Lanaria
     Lanaria d'Orbigny, 1839 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Lanaria W. Aiton, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Lanariaceae (Family)
 Lanaria Adanson, 1763 accepted as Lanaria Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)

Lanarius
     Lanarius Lesson, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Falconidae (Family)
 Lanarius Dumont, 1821 accepted as Laniarius Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)

Lancea
 Lancea Pease, 1868 accepted as Turbonilla Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Heterostropha (Order) > Pyramidellidae (Family)
     Lancea J.D. Hooker & T. Thomson, 1857 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Phrymaceae (Family)

Lanceola
     Lanceola F. Hindák, 1988 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Sphaeropleales (Order) > Characiaceae (Family)
     Lanceola de Blainville, 1828 (uncertain)· Animalia (Kingdom) > Sipuncula (Phylum) > Sipuncula (awaiting allocation) (Class) > Sipuncula (awaiting allocation) (Order) > Sipuncula (awaiting allocation) (Family)
     Lanceola Say, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Lanceolidae (Family)

Lanceolites
     Lanceolites Bergman, 1988 † (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)
     Lanceolites Hyatt & Smith, 1905 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ceratitida (Order) > Lanceolitidae (Family)

Lanceoppia
     Lanceoppia Balogh, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oppiidae (Family)
     Lanceoppia Hammer, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Oppiidae (Family)

Lancisia
     Lancisia Fabricius, 1759 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lancisia Lamarck, 1797 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Landia
     Landia J. Dombey, 1784 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zygophyllales (Order) > Krameriaceae (Family)
 Landia Commerson ex A.L. Jussieu, 1789 accepted as Mussaenda Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Landinia
     Landinia Bannikov & Sorbini, 2000 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Landinia Chavan, 1952 † accepted as Crassatella Lamarck, 1799 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Crassatellidae (Family)

Landonia
     Landonia Eigenmann & Henn in Eigenmann, Henn & Wilson, 1914 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Characiformes (Order) > Characidae (Family)
     Landonia G.R. Upchurch & D.L. Dilcher, 1990 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Laurales (Order) > Laurales (awaiting allocation) (Family)

Lanea
     Lanea Murphy & Valenzuela-Rios, 1999 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodonta (awaiting allocation) (Order) > (Family)
     Lanea Vargas, Martínez Palacios & Díaz Nájera, 1946 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Langella
     Langella Mendes, 1961 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Lingulidae (Family)
     Langella Wainstein, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tetranychidae (Family)
 Langella Sellier de Civrieux & Dessauvagie, 1965 † accepted as Cryptoseptida de Civrieux & Dessauvage, 1965 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Ichthyolariidae (Family)

Langerhansia
 Langerhansia Czerniavsky, 1881 accepted as Syllis Savigny in Lamarck, 1818 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Syllidae (Family)
 Langerhansia McIntosh, 1885 accepted as Intoshella Darboux, 1899 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Polynoidae (Family)

Langeronia
 Langeronia R. Vanbreuseghem, 1950 accepted as Trichophyton Malmsten, 1848 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Onygenales (Order) > Arthrodermataceae (Family)
     Langeronia Caballero y Caballero & Bravo-Hollis, 1949 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Lecithodendriidae (Family)

Langia
     Langia Flugel, 1970 † (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Petalaxidae (Family)
     Langia Endlicher, 1837 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)
 Langia Czerniavsky, 1881 accepted as Graffilla Ihering, 1880 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Neorhabdocoela (Order) > Graffillidae (Family)
     Langia Hubrecht, 1879 · Animalia (Kingdom) > Nemertea (Phylum) > Nemertea (awaiting allocation) (Class) > Nemertea (awaiting allocation) (Order) > Nemertea (awaiting allocation) (Family)
 Langia Tutt, 1907 accepted as Leptotes Scudder, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
 Langia Sieg, 1973 MS. accepted as Langitanais Sieg, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Tanaidacea (Order) > Tanaididae (Family)
     Langia Moore, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Langia Wells & Rao, 1987 accepted as Raowellsia Özdikmen, 2008 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Laophontidae (Family)

Langiella
     Langiella W.N. Croft & E.A. George, 1959 † (uncertain)· Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Pseudanabaenaceae (Family)
     Langiella Fauth, Colin, Koutsoukos & Bengtson, 2005 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)

Langona
     Langona Simon, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Langona Barnes & Lindsey, 1921 accepted as Gloanna Nye, 1975 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Langsdorffia
 Langsdorffia F.E.L. von Fischer ex E.A. von Regel, 1863 accepted as Eustachys Desvaux, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Langsdorffia C.F.P. Martius in Eschwege, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Balanophoraceae (Family)
 Langsdorffia Raddi, 1820 accepted as Syagrus C.F.P. Martius, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Arecales (Order) > Arecaceae (Family)

Langsdorfia
 Langsdorfia Leandro de Sacramento, 1821 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
 Langsdorfia Rafinesque, 1837 accepted as Nicotiana Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
     Langsdorfia Hübner, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Cossidae (Family)

Langtonia
     Langtonia Anderson, 1939 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Podocopida (awaiting allocation) (Family)
     Langtonia E.M. Reid & M.E.J. Chandler, 1933 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cornales (Order) > Cornaceae (Family)

Languriomorpha
     Languriomorpha Fisher, 1925 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Languriomorpha Gorham, 1887 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scirtidae (Family)

Laniellus
     Laniellus Blyth, 1833 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Laniellus Swainson in Richardson, 1832 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Lanista
     Lanista Bolivar, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)
 Lanista Paetel, 1875 accepted as Lanistes Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Ampullariidae (Family)

Lanistes
 Lanistes Swainson, 1840 accepted as Musculus Röding, 1798 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Mytiloida (Order) > Mytilidae (Family)
     Lanistes Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Ampullariidae (Family)
     Lanistes Griffith, 1842 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lankesterella
     Lankesterella Labbé, 1899 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Eucoccidiida (Order) > Lankesterellidae (Family)
     Lankesterella O. Ames, 1923 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Lankesteria
     Lankesteria Mingazzini, 1891 · Chromista (Kingdom) > Miozoa (Phylum) > Paragregarea (Class) > Velocida (Order) > Lecudinidae (Family)
     Lankesteria J. Lindley, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Lanna
 Lanna accepted as Lamna Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Lamniformes (Order) > Lamnidae (Family)
 Lanna Kemal & Koçak, 2005 accepted as Pseudofentonia Strand, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)

Lansbergia
     Lansbergia Ritsema, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Lansbergia de Vriese, 1846 accepted as Trimezia Salisbury ex Herbert, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Lanterna
     Lanterna L. Dodekova, 1969 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Gonyaulacaceae (Family)
 Lanterna Haeckel, 1887 accepted as Cycladophora Ehrenberg, 1847 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Nassellaria (Order) > Theoperidae (Family)

Lanternarius
     Lanternarius Regnéll, 1956 † accepted as Lanternarius Regnéll, 1956 † (nomen dubium)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Echinoidea (awaiting allocation) (Order) > Echinoidea (awaiting allocation) (Family)
     Lanternarius Pacheco, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Heteroceridae (Family)

Lanthanocephalus
     Lanthanocephalus Modesto, Rubidge & Welman, 2002 † accepted as Lanthanostegus Modesto, Rubidge & Welman, 2003 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Therapsida (Order) > (Family)
     Lanthanocephalus Williams & Starmer, 2000 · Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > (Order) > (Family)

Lantzia
     Lantzia Jousseaume, 1872 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)
     Lantzia Hartlaub, 1877 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Lanxoblatta
     Lanxoblatta Hebard, 1931 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)
     Lanxoblatta Rehn, 1932 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)

Lanzia
     Lanzia P.A. Saccardo, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Rutstroemiaceae (Family)
 Lanzia Nevill, 1878 accepted as Lantzia Jousseaume, 1872 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Lymnaeidae (Family)

Laocoon
     Laocoon Nierstrasz & Entz, 1922 accepted as Laocoon Nierstrasz & Entz, 1922 (nomen dubium)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Dendrogastrida (Order) > Dendrogastridae (Family)
 Laocoon De Vos, 1953 accepted as Laocoonella De Vos & Stock, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Podocopida (awaiting allocation) (Family)
     Laocoon J.C. David, 1997 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Capnodiales (Order) > Mycosphaerellaceae (Family)

Laodamia
     Laodamia Kirkaldy, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Laodamia Ragonot, 1888 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Laodia
 Laodia Pascoe, 1874 accepted as Oberprieleria Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Laodia Gray, 1868 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Laodice
 Laodice Gemminger & Harold, 1871 accepted as Rhinoscapha Montrouzier, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Laodice Bouyer, 2023 accepted as Laodice Bouyer, 2023 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Laodice Guérin-Méneville, 1844 accepted as Laodice Guérin-Méneville, 1844 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Eunicida (Order) > Eunicidae (Family)
 Laodice Lesson, 1843 accepted as Laodicea Lesson, 1843 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Laodiceidae (Family)

Laoma
     Laoma Gray, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Punctidae (Family)
 Laoma Fischer, 1883 accepted as Laona A. Adams, 1865 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cephalaspidea (Order) > Philinidae (Family)

Laomeda
 Laomeda Cocks, 1849 accepted as Laomedea Lamouroux, 1812 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Campanulariidae (Family)
     Laomeda Rafinesque, 1815 accepted as Laomeda Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Clupeiformes (Order) > Clupeidae (Family)

Laomedia
 Laomedia Hassall, 1841 accepted as Laomedea Lamouroux, 1812 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Campanulariidae (Family)
     Laomedia De Haan, 1841 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Laomediidae (Family)

Laomiccolamia
     Laomiccolamia Breuning, 1975 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Laomiccolamia Breuning, 1976 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Laophonte
 Laophonte Lang, 1948 accepted as Laophonte Philippi, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Laophontidae (Family)
     Laophonte Philippi, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Laophontidae (Family)

Laornis
     Laornis Marsh, 1870 † · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriiformes (awaiting allocation) (Family)
     Laornis Marsh, 1870, nom. nud. † accepted as Laornis Marsh, 1870 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriiformes (awaiting allocation) (Family)

Laosia
     Laosia Mansuy, 1913 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Rhynchonellida (Order) > Rhynchonellina incertae sedis (Family)
 Laosia Chen, 1934 accepted as Laosaltica Chen, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Laosia Saurin, 1953 accepted as Laosia Saurin, 1953 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Cyclophoridae (Family)
     Laosia S. Koi, H. Won & M. Kato, 2019 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Podostemaceae (Family)

Laothoe
 Laothoe Sars, 1893 accepted as Laothoes Boeck, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Eusiridae (Family)
     Laothoe Fabricius, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Laothoe Rafinesque, 1837 accepted as Chlorogalum (Lindley) Kunth, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Laothoe Gray, 1867 accepted as Hymeraphia Bowerbank, 1864 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Axinellida (Order) > Raspailiidae (Family)

Laothoë
 Laothoë Gray, 1867 accepted as Laothoe Gray, 1867 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Axinellida (Order) > Axinellidae (Family)
 Laothoë Sars, 1893 accepted as Laothoes Boeck, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Calliopiidae (Family)

Laparus
     Laparus Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Laparus Agassiz, 1845 accepted as Laparus Agassiz, 1845 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Laparus Loew, 1851 accepted as Neolaparus Williston, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)

Lapazia
     Lapazia Roewer, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Grassatores incertae sedis (Family)
     Lapazia Ferris, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Diaspididae (Family)

Lapeirousella
     Lapeirousella Milovanovic, 1939 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lapeirousella Milovanovic, 1938 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Hippuritida (Order) > Hippuritida (awaiting allocation) (Family)

Lapeirousia
     Lapeirousia Bayle, 1878 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Hippuritida (Order) > Radiolitidae (Family)
 Lapeirousia Thunberg, 1801 accepted as Schistostephium Lessing, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Lapeirousia Pourret, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Laphyctes
     Laphyctes Stål, 1853 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Laphyctes Dujardin, 1844 accepted as Rictularia Frölich, 1802 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Rictulariidae (Family)
     Laphyctes Reichenbach, 1850 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
     Laphyctes Förster, 1868 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Laphyctis
     Laphyctis Viret, 1933 † accepted as Laphyctis Viret, 1933 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
     Laphyctis Loew, 1858 accepted as Laphystia Loew, 1847 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)

Laphyra
     Laphyra Newman, 1842 accepted as Molorchus Fabricius, 1792 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Laphyra Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Laphyra Dejean, 1836 accepted as Neolaphyra Bedel, 1895 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)
     Laphyra Rafinesque, 1815 accepted as Laphyra Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lapidaria
 Lapidaria Kang, 1986 accepted as Sinicena Egorov, 2003 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Cycloneritimorpha (Order) > Hydrocenidae (Family)
     Lapidaria Tjernvik, 1956 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Asaphida (Order) > Asaphida (awaiting allocation) (Family)
     Lapidaria (Dinter & Schwantes) N.E. Brown, 1928 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Aizoaceae (Family)
     Lapidaria Zachs accepted as Lapidaria Zachs (nomen dubium)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)

Lapita
 Lapita Gómez-Zurita & Cardoso, 2014 accepted as Tricholapita Gómez-Zurita & Cardoso, 2020 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Lapita Bickel, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)

Lapparentia
     Lapparentia Monestier, 1921 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lapparentia Berthelin, 1885 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Laputa
     Laputa Whitley, 1930 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Monacanthidae (Family)
     Laputa Dyke, 2001 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Apodiformes (awaiting allocation) (Family)

Laqueoceras
     Laqueoceras Kakabadze & Hoedemaeker, 2004 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)
     Laqueoceras Lange, 1925 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Ammonoidea (awaiting allocation) (Family)

Laqueus
     Laqueus Dall, 1870 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Laqueidae (Family)
 Laqueus Scoble, 1983 accepted as Muhabbetana Koçak, 2007 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nepticulidae (Family)

Lar
 Lar Semenov, 1904 accepted as Thes Semenov, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Latridiidae (Family)
 Lar Gosse, 1857 accepted as Proboscidactyla Brandt, 1835 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Limnomedusae (Order) > Proboscidactylidae (Family)

Lara
     Lara González-Sponga, 1987 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Zalmoxidae (Family)
     Lara Leconte, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elmidae (Family)
 Lara Otte & Alexander, 1983 accepted as Musgravia Otte, 1994 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Mogoplistidae (Family)
     Lara Drapiez, 1819 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Laranda
     Laranda Kinberg, 1864 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Order) > Oenonidae (Family)
     Laranda Walker, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Phalangopsidae (Family)

Larandopsis
     Larandopsis Chopard, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Phalangopsidae (Family)
 Larandopsis Chopard, 1934 accepted as Larandeicus Chopard, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Phalangopsidae (Family)

Larcopyle
     Larcopyle Dreyer, 1888 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Litheliidae (Family)
 Larcopyle Haeckel, 1887 accepted as Larcospira Haeckel, 1887 · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Litheliidae (Family)

Larentia
     Larentia Treitschke, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
 Larentia Klatt, 1882 accepted as Cypella Herbert, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Laria
 Laria Scopoli, 1763 accepted as Bruchus Linnaeus, 1767 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Laria Schrank, 1802 accepted as Laria Schrank, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Laria Gray, 1867 accepted as Lariscus Thomas & Wroughton, 1909 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Sciuridae (Family)

Laricaria
 Laricaria accepted as Loricaria Lamouroux, 1821 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Epistomiidae (Family)
     Laricaria Börner, 1949 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Laricopsis
 Laricopsis A.H. Kent, 1900 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Pinales (Order) > Pinaceae (Family)
     Laricopsis W.M. Fontaine, 1889 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Larifugella
     Larifugella Lawrence, 1933 accepted as Larifugella Staręga, 1992 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Triaenonychidae (Family)
     Larifugella Staręga, 1992 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Triaenonychidae (Family)

Larinus
     Larinus Germar, 1824 accepted as Larinus Dejean, 1821 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Larinus Dejean, 1821 accepted as Larinus Dejean, 1821 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Larochea
     Larochea Finlay, 1927 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Larocheidae (Family)
 Larochea Persoon, 1805 accepted as Crassula Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Crassulaceae (Family)

Laroides
     Laroides Brehm, 1830 accepted as Laroides Brehm, 1830 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Laroides Brehm, 1831 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Larrea
     Larrea Cavanilles, 1800 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Zygophyllales (Order) > Zygophyllaceae (Family)
 Larrea Ortega, 1797 accepted as Hoffmannseggia Cavanilles, 1798 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Lars
     Lars Kirby, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Lars Hübner, 1807 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Uraniidae (Family)

Larsenia
 Larsenia Bremekamp, 1965 accepted as Strobilanthes Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Larsenia Warén, 1989 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Vanikoridae (Family)
 Larsenia León et al., 2014 accepted as Larsenimonas León et al., 2015 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Gammaproteobacteria (Class) > Oceanospirillales (Order) > Halomonadaceae (Family)

Larunda
 Larunda Hübner, 1823 accepted as Coronidia Westwood, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sematuridae (Family)
 Larunda Leach, 1815 accepted as Cyamus Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Cyamidae (Family)
 Larunda Kernbach, 1954 accepted as Pseudoclanis Rothschild, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Larunda Edwards, 1881 accepted as Euhagena Edwards, 1881 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sesiidae (Family)

Larva
     Larva Vieillot, 1816 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Larva Piersig, 1899 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Larva Tilesius, 1818 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Larymna
     Larymna Stål, 1859 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Larymna Kinberg, 1865 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Order) > Oenonidae (Family)

Lasallea
     Lasallea Boucek, 1993 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
 Lasallea E.L. Greene, 1903 accepted as Aster Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Laschia
 Laschia E.M. Fries, 1830 accepted as Campanella P.C. Hennings, 1895 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Marasmiaceae (Family)
 Laschia Junghuhn, 1838 accepted as Junghuhnia Corda, 1842 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Meruliaceae (Family)

Lasia
     Lasia Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
 Lasia Palisot de Beauvois, 1804 accepted as · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Leucodontaceae (Family)
     Lasia Wiedemann, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Acroceridae (Family)
 Lasia Hope, 1840 accepted as Subcoccinella Huber, 1841 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coccinellidae (Family)

Lasiambia
 Lasiambia Sabrosky, 1941 accepted as Lasiambia Anonymous, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chloropidae (Family)
     Lasiambia Anonymous, 1937 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chloropidae (Family)
     Lasiambia Enderlein, 1936 accepted as Lasiambia Anonymous, 1937 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chloropidae (Family)

Lasianthus
     Lasianthus W. Jack, 1823 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Lasianthus Adanson, 1763 accepted as Lasianthus Adanson, 1763 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Theaceae (Family)

Lasiella
 Lasiella Quélet, 1875 accepted as Lasiosphaeria Cesati & De Notaris, 1863 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariales (Order) > Lasiosphaeriaceae (Family)
     Lasiella Reuter, 1885 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Lasioacarus
     Lasioacarus Kadzhyaya, 1968 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Acaridae (Family)
 Lasioacarus Kadzhaya & Sevastyanov, 1967 accepted as Lasioacarus Kadzhyaya, 1968 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Acaridae (Family)

Lasiobelonium
     Lasiobelonium Ellis & Everhart, 1897 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Solenopeziaceae (Family)
 Lasiobelonium (P.A. Saccardo) P.A. Saccardo & P. Sydow, 1899 accepted as Lachnum Retzius, 1795 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Hyaloscyphaceae (Family)

Lasiocera
     Lasiocera Laporte, 1832 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Lasiocera Dejean, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Lasiocera Meyrick, 1879 accepted as Lasiosticha Meyrick, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Lasiochara
 Lasiochara Bethune-Baker, 1904 accepted as Limacochara Fletcher in Fletcher & Nye, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Limacodidae (Family)
 Lasiochara Ganglbauer, 1895 accepted as Amarochara Thomson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Lasiocnemus
 Lasiocnemus Jekel, 1854 accepted as Lasiocnemoides Wibmer & O'Brien, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lasiocnemus Ausserer, 1871 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Theraphosidae (Family)
     Lasiocnemus Loew, 1851 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)

Lasiodactylus
     Lasiodactylus Perty, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)
     Lasiodactylus Dejean, 1835 accepted as Lasiodactylus Thomson, 1858 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Lasiodactylus Thomson, 1858 accepted as Lasiopezus Pascoe, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Lasioderma
     Lasioderma Dejean, 1833 accepted as Lasioderma Stephens, 1833 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)
 Lasioderma Montagne, 1845 accepted as Phleogena Link, 1833 · Fungi (Kingdom) > Basidiomycota (Phylum) > Atractiellomycetes (Class) > Atractiellales (Order) > Phleogenaceae (Family)
     Lasioderma Stephens, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)

Lasiodermina
     Lasiodermina Español, 1966 accepted as Lasiodermina Español, 1970 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)
     Lasiodermina Español, 1970 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)
     Lasiodermina Español, 1965 accepted as Lasiodermina Español, 1970 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)

Lasioderus
     Lasioderus Mulsant & Rey, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Lasioderus Gray, 1832 accepted as Lasiodera Gray, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cleridae (Family)

Lasiodiscus
     Lasiodiscus Reichel, 1946 † · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Textulariida (Order) > Lasiodiscidae (Family)
     Lasiodiscus J.D. Hooker in Bentham & J.D. Hooker, 1862 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rhamnaceae (Family)

Lasiolepis
 Lasiolepis Boeckeler, 1873 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Eriocaulaceae (Family)
     Lasiolepis J.J. Bennett & R. Brown, 1844 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Simaroubaceae (Family)

Lasiomorpha
     Lasiomorpha Joicey & Talbot, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Eupterotidae (Family)
     Lasiomorpha Turner, 1932 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Lasiomorpha accepted as Lasimorpha H.W. Schott, 1857 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Lasiomys
 Lasiomys Peters, 1866 accepted as Lophuromys Peters, 1874 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Muridae (Family)
 Lasiomys Burmeister, 1854 accepted as Sigmodon Say & Ord, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Cricetidae (Family)

Lasionota
 Lasionota Warren, 1912 accepted as Acantholipes Lederer, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Lasionota Dejean, 1833 accepted as Lasionota Mannerheim, 1837 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Lasionota Mannerheim, 1837 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Lasiophanes
     Lasiophanes Emery, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)
 Lasiophanes Warren, 1905 accepted as Pocophora Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Lasiophanes Aurivillius, 1916 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Lasiophoma
     Lasiophoma Spegazzini, 1918 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Lasiophoma Naumov, 1916 accepted as Pyrenochaeta De Notaris, 1849 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Pleosporales incertae sedis (Family)

Lasiopogon
     Lasiopogon Cassini, 1818 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lasiopogon Loew, 1847 accepted as Daulopogon Loew, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)

Lasiops
     Lasiops Meigen, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
     Lasiops Warren, 1895 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Lasiops Holmgren, 1856 accepted as Arenetra Holmgren, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Lasiopus
 Lasiopus D. Don in Sweet, 1836 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lasiopus Schönherr, 1823 accepted as Lasiopus Sahlberg, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lasiopus Dejean, 1833 accepted as Lasiopus Leconte, 1856 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Lasiopus Leconte, 1856 accepted as Podolasia Harold, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Lasiopus Geoffroy in Gervais, 1835 accepted as Ichneumia Geoffroy, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Herpestidae (Family)
     Lasiopus Cassini, 1817 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Lasiopus Sahlberg, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lasiorhinus
 Lasiorhinus Broun, 1880 accepted as Pogonorhinus · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lasiorhinus Gray, 1863 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Diprotodontia (Order) > Vombatidae (Family)

Lasiosceles
 Lasiosceles Hampson, 1909 accepted as Scelilasia Hampson, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Lasiosceles Bethune-Baker, 1906 accepted as Data Walker, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Lasiosiphon
     Lasiosiphon Kirkpatrick, 1925 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Lasiosiphon Fresenius, 1838 accepted as Gnidia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)

Lasiosoma
     Lasiosoma Winnertz, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Mycetophilidae (Family)
     Lasiosoma Fieber, 1860 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Rhyparochromidae (Family)

Lasiostega
     Lasiostega Meyrick, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Epermeniidae (Family)
 Lasiostega F.J. Ruprecht ex G. Bentham, 1857 accepted as Bouteloua Lagasca, 1805 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Lasiostola
     Lasiostola Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Lasiostola Solier, 1836 accepted as Lasiostola Dejean, 1834 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Lasiostoma
     Lasiostoma Rambur, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Trichoptera (awaiting allocation) (Family)
     Lasiostoma Schreber, 1789 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Loganiaceae (Family)
 Lasiostoma Bentham, 1843 accepted as Hydnophytum W. Jack, 1823 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Lasiurus
     Lasiurus Gray, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Chiroptera (Order) > Vespertilionidae (Family)
     Lasiurus Boissier, 1859 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Lasius
     Lasius Fabricius, 1804 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Formicidae (Family)
 Lasius Latreille in Cuvier, 1829 accepted as Lasia Wiedemann, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Acroceridae (Family)
     Lasius Jurine, 1807 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Apidae (Family)
 Lasius Motschoulsky, 1845 accepted as Psilothrix Küster, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Melyridae (Family)

Laspalia
 Laspalia Ljungman, 1872 accepted as Asteroschema Örstedt & Lütken in Luetken, 1856 · Animalia (Kingdom) > Echinodermata (Phylum) > Ophiuroidea (Class) > Phrynophiurida (Order) > Asteroschematidae (Family)
     Laspalia Gray, 1840 accepted as Laspalia Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Asteroidea (awaiting allocation) (Order) > Asteroidea (awaiting allocation) (Family)

Laspeyresia
 Laspeyresia Hübner, 1825 accepted as Cydia Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
     Laspeyresia Reichenbach, 1817 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
     Laspeyresia Herrich-Schäffer in Panzer, 1839 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Laspeyresia Handlirsch, 1906 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protorthoptera (Order) > Protorthoptera (awaiting allocation) (Family)

Latax
 Latax Gray, 1843 accepted as Lontra Gray, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Latax Gloger, 1827 accepted as Enhydra Fleming, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
     Latax Rafinesque, 1815 accepted as Enhydra Fleming, 1822 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)

Latemaria
 Latemaria accepted as Latimeria Smith, 1939 · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Coelacanthiformes (Order) > Latimeriidae (Family)
     Latemaria Wilckens, 1909 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Limoida (Order) > Limidae (Family)

Latentidiota
     Latentidiota Nazarov & Ormiston, 1985 † · Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Spumellaria (Order) > Spumellaria (awaiting allocation) (Family)
     Latentidiota Nazarov & Ormiston, 1984 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)

Laterallus
     Laterallus Bonaparte, 1854 accepted as Laterallus Gray, 1855 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
     Laterallus Gray, 1855 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)

Laterocotyle
     Laterocotyle Simpson & McGraw, 1979 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Aspidogastrida (Order) > Aspidogastridae (Family)
 Laterocotyle Mamaev & Avdeev, 1980 accepted as Lateroctocotyle Mamaev & Avdeev, 1981 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Mazocraeidea (Order) > Mazoplectidae (Family)

Lateropora
     Lateropora A.C. Smith, 1932 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
     Lateropora D.C. Pocknall & D.T. Mildenhall, 1984 † · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Lathelmis
 Lathelmis Zaitzev, 1908 accepted as Limnius Illiger, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elmidae (Family)
     Lathelmis Reitter, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dryopidae (Family)

Lathria
     Lathria Swainson, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Cotingidae (Family)
 Lathria Gistl, 1856 accepted as Lamprinus Heer, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Lathridius
 Lathridius Herbst, 1793 accepted as Latridius Herbst in Jablonsky, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Latridiidae (Family)
     Lathridius Beck, 1817 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Lathromene
 Lathromene Koch, 1938 accepted as Domene Fauvel, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Lathromene Blackwelder, 1952 accepted as Domene Fauvel, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Lathrothele
     Lathrothele Benoit, 1965 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Ischnothelidae (Family)
     Lathrothele Benoit, 1964 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Ischnothelidae (Family)

Lathyra
 Lathyra Agassiz, 1845 accepted as Lathyra Agassiz, 1845 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Lathyra Oken, 1817 accepted as Lathyra Oken, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lathyrus
 Lathyrus Schinz in Cuvier, 1825 accepted as Latirus Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Fasciolariidae (Family)
     Lathyrus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Latia
     Latia Gray, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Latiidae (Family)
     Latia Hartman, 1881 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Latiblatta
     Latiblatta Vishniakova, 1968 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Mesoblattinidae (Family)
     Latiblatta Hong, 2002 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)

Laticauda
     Laticauda Lesson, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Laticauda Laurenti, 1768 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)

Laticrinus
     Laticrinus Stukalina, 1980 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Crinoidea (awaiting allocation) (Order) > Crinoidea (awaiting allocation) (Family)
     Laticrinus Ausich & Kammer, 2009 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Platycrinitidae (Family)

Latipes
     Latipes Colosi, 1922 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Systellommatophora (Order) > Veronicellidae (Family)
 Latipes Kunth, 1829 accepted as Leptothrium Kunth, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Latiredlichia
     Latiredlichia Hupé, 1953 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Redlichiida (Order) > Redlichiidae (Family)
     Latiredlichia Hupé in Piveteau, 1953, nom. nud. † accepted as Latiredlichia Hupé, 1953 † (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Redlichiida (Order) > Redlichiidae (Family)

Latitergum
     Latitergum Dangerfield, Austin & Whitfield, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
     Latitergum Yu, Ślipiński, Leschen, Ren & Pang, 2014 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)
 Latitergum Yu, Ślipiński, Leschen, Ren & Pang, 2014 † accepted as Neolatitergum Zhang, 2021 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Trogossitidae (Family)

Lativalva
     Lativalva Amsel, 1956 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
     Lativalva Li, 2002 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Psocoptera (awaiting allocation) (Family)

Latometus
     Latometus Erichson, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Zopheridae (Family)
     Latometus Butler, 1882 accepted as Philobota Meyrick, 1883 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Oecophoridae (Family)

Latona
 Latona Koch, 1866 accepted as Lampona Thorell, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Lamponidae (Family)
     Latona Straus, 1820 accepted as Latona Straus, 1820 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Sididae (Family)
 Latona Guérin-Méneville, 1844 accepted as Pseudocryptobium Bernhauer, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Latona Schumacher, 1817 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Donacidae (Family)
 Latona Hutton, 1884 accepted as Chlorodiloma Pilsbry in Tryon & Pilsbry, 1889 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Trochidae (Family)

Latonia
     Latonia Mandel'shtam in Mandel'shtam & Schneider, 1963 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Alloiocyprideidae (Family)
     Latonia Westerlund, 1889 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Latonia Meyer, 1843 accepted as Latonia Meyer, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)

Latoporata
     Latoporata S.N. Naumova & N.I. Umnova in Umnova, 1975 † accepted as Priscogalea Deunff, 1961 † (junior subjective synonym)· Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)
     Latoporata S.N. Naumova ex N.I. Umnova in Umnova & Yakovlev, 1970 † accepted as (nomen nudum)· Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)

Latouria
 Latouria Blume, 1849 accepted as Dendrobium O. Swartz, 1799 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Latouria (Endlicher) J. Lindley, 1847 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Goodeniaceae (Family)

Latra
 Latra Gistl, 1848 accepted as Pagurus Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Paguridae (Family)
 Latra Zimmermann, 1780 accepted as Lutra Brisson, 1762 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)

Latreillia
     Latreillia Roux, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Latreilliidae (Family)
     Latreillia Robineau-Desvoidy, 1830 accepted as Latreillimyia Townsend, 1908 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Latrunculus
 Latrunculus Günther, 1861 accepted as Aphia Risso, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)
 Latrunculus Gray, 1847 accepted as Babylonia Schlüter, 1838 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Babyloniidae (Family)

Latyrus
 Latyrus Carpenter, 1857 accepted as Latirus Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Fasciolariidae (Family)
     Latyrus Grenier, 1838 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Latzelia
 Latzelia Verhoeff, 1895 accepted as Haplogona Cook, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Chordeumatida (Order) > Verhoeffiidae (Family)
     Latzelia Scudder, 1890 † · Animalia (Kingdom) > Arthropoda (Phylum) > Chilopoda (Class) > Scutigeromorpha (Order) > Latzeliidae (Family)
 Latzelia A. Zahlbruckner in Engler & Prantl, 1926 accepted as Epiphloea Trevisan, 1880 · Fungi (Kingdom) > Ascomycota (Phylum) > Lichinomycetes (Class) > Lichinales (Order) > Lichinaceae (Family)
 Latzelia Bollman, 1893 accepted as Glomeridella Brölemann, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Glomerida (Order) > Glomeridellidae (Family)

Laubenfelsia
     Laubenfelsia King, 1943 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Lithistida (awaiting allocation) (Family)
     Laubenfelsia Ogren, Kawakatsu & Froehlich, 1993 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Geoplanidae (Family)
 Laubenfelsia A.V.F.C. Bobrov & A.P. Melikian in A.P. Melikian & A.V.F.C. Bobrov, 2000 accepted as Dacrycarpus de Laubenfels, 1969 · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Araucariales (Order) > Podocarpaceae (Family)

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

Laubertia
     Laubertia Rübsaamen, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)
     Laubertia Alph. de Candolle, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Lauella
 Lauella Martinsson, 1962 † accepted as Loella Martinsson, 1962 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda (awaiting allocation) (Family)
     Lauella Mann, 1921 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Laufeia
     Laufeia Simon, 1889 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Laufeia Tosquinet, 1903 accepted as Dreisbachia Townes, 1962 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Laufferia
     Laufferia Bolívar, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Pyrgomorphidae (Family)
     Laufferia Strobl, 1909 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Laugeria
 Laugeria Vahl ex Bentham & J.D. Hooker, 1873 accepted as Neolaugeria D.H. Nicolson, 1979 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
 Laugeria Linnaeus, 1767 accepted as Guettarda Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Laugia
 Laugia Kirby, 1892 accepted as Langia Moore, 1872 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
     Laugia Stensiö, 1932 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Coelacanthiformes (Order) > Laugiidae (Family)

Laura
     Laura Lacaze-Duthiers, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Laurida (Order) > Lauridae (Family)
     Laura Reed, 1930 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Sapygidae (Family)
 Laura Trinchese, 1874 accepted as Placida Trinchese, 1876 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sacoglossa (Order) > Limapontiidae (Family)
 Laura Connolly, 1928 accepted as Lauria Gray in Turton, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Pupillidae (Family)

Laurea
     Laurea Srivastava, 1937 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Tricladida (Order) > Haplosplanchidae (Family)
 Laurea Gaudichaud-Beaupré in Freycinet, 1830 accepted as Bagassa Aublet, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Moraceae (Family)

Laurella
     Laurella Hull, 1971 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)
     Laurella Heraty, 2002 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Eucharitidae (Family)

Laurembergia
     Laurembergia P.J. Bergius, 1767 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Haloragaceae (Family)
 Laurembergia H.E. Baillon accepted as Orfilea Baillon, 1858 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Laurentia
     Laurentia (J.V. Lamouroux) S.F. Gray accepted as Laurentia (J.V. Lamouroux) S.F. Gray (nomen dubium)· Plantae (Kingdom) > Rhodophyta (Phylum) > (Class) > Rhodophyta (awaiting allocation) (Order) > Rhodophyceae incertae sedis (Family)
 Laurentia McLaughlin & Haig, 1996 accepted as Turleania McLaughlin, 1997 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Paguridae (Family)
     Laurentia Ragonot, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)
     Laurentia Costa, 1890 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Laurentia Adanson, 1763 accepted as Lobelia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)
 Laurentia Dragesco, 1966 accepted as Laurentiella Dragesco & Njiné, 1972 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Oxytrichidae (Family)

Laurentiella
 Laurentiella Le Loeuff & Intès, 1974 accepted as Saintlaurentiella Paiva, Tavares & Silva-Neto, 2010 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Laomediidae (Family)
     Laurentiella Dragesco & Njiné, 1972 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Oxytrichidae (Family)

Laureola
     Laureola Barnard, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Armadillidae (Family)
     Laureola J. Hill, 1756 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)
 Laureola M.J. Roemer, 1846 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)

Laureriella
 Laureriella Hepp, 1867 accepted as Glypholecia Nylander, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Acarosporales (Order) > Acarosporaceae (Family)
     Laureriella Skrjabin, 1916 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)

Lauria
     Lauria Gray in Turton, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Lauriidae (Family)
 Lauria Walker, 1856 accepted as Lauria Walker, 1856 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Laurinia
 Laurinia Zezina, 2005 accepted as Fallax Atkins, 1960 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Aulacothyropsidae (Family)
     Laurinia Ferrari, 1884 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Lauterbornia
 Lauterbornia E.G. Pringsheim, 1968 accepted as Synechococcus Nägeli, 1849 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Synechococcaceae (Family)
     Lauterbornia Kieffer, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Lauterborniella
     Lauterborniella Schmidle, 1900 · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyceae (Class) > Sphaeropleales (Order) > Scenedesmaceae (Family)
     Lauterborniella Bause, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Lautitia
     Lautitia S. Schatz, 1984 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Phaeosphaeriaceae (Family)
     Lautitia Matsushita, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Lavenella
 Lavenella Campenhausen, 1896 accepted as Lovenella Hincks, 1868 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Leptothecata (Order) > Lovenellidae (Family)
 Lavenella Negri, 1934 † accepted as Cerithiella Verrill, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ptenoglossa (Order) > Cerithiopsidae (Family)

Laverania
 Laverania Theobald, 1902 accepted as Laverania Theobald, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
     Laverania Grassi & Feletti, 1890 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Haemosporida (Order) > Plasmodiidae (Family)

Laverna
 Laverna Gistel, 1829 accepted as Velleius Samouelle, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Laverna Curtis, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tineidae (Family)

Lavigeria
     Lavigeria Bourguignat, 1888 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pleuroceridae (Family)
     Lavigeria Pierre, 1892 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Icacinales (Order) > Icacinaceae (Family)

Lavinia
 Lavinia Mulsant & Verreaux, 1876 accepted as Lavinia Mulsant & Verreaux, 1876 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Lavinia Kiriakoff, 1962 accepted as Eulavinia Fletcher in Watson, Fletcher & Nye, 1980 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
     Lavinia Poppius, 1913 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Lavinia Girard, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Lavradia
 Lavradia J.M. da C. Vellozo ex D. Vandelli, 1788 accepted as Sauvagesia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Ochnaceae (Family)
 Lavradia Roemer, 1796 accepted as Lavradia J.M. da C. Vellozo ex D. Vandelli, 1788 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Ochnaceae (Family)

Lawia
 Lawia Griffith ex L.R. Tulasne, 1849 accepted as Dalzellia R. Wight, 1852 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Podostemaceae (Family)
 Lawia R. Wight, 1846 accepted as Mycetia Reinwardt, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

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

Lawrencella
     Lawrencella Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Triaenonychidae (Family)
 Lawrencella Slipinski, 1988 accepted as Johnlawrencella Ślipiński, 2016 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerylonidae (Family)
     Lawrencella J. Lindley, 1839 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lawrencia
     Lawrencia W.J. Hooker, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)
     Lawrencia Ridgway, 1886 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Lawrenciella
 Lawrenciella Slipinski, 1991 accepted as Johnlawrencella Ślipiński, 2016 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerylonidae (Family)
     Lawrenciella Poplin, 1984 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Actinopterygii (awaiting allocation) (Order) > Actinopterygii (awaiting allocation) (Family)

Lawrenciola
     Lawrenciola Roewer, 1935 accepted as Lawrenciola Staręga, 1992 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Assamiidae (Family)
 Lawrenciola Staręga, 1992 accepted as Cryptopygoplus Lawrence, 1931 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Assamiidae (Family)

Lawsonia
     Lawsonia Sharp, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthribidae (Family)
     Lawsonia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Lythraceae (Family)
     Lawsonia McOrist, Gebhart, Boid & Barns, 1995 · Bacteria (Kingdom) > Proteobacteria (Phylum) > Deltaproteobacteria (Class) > Desulfovibrionales (Order) > Desulfovibrionaceae (Family)

Laxifusulina
     Laxifusulina Xia, 1981 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)
     Laxifusulina Xia, 1983 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)

Laxmannia
 Laxmannia Schreber, 1791 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
     Laxmannia Kamaltynov, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Eulimnogammaridae (Family)
     Laxmannia R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Laxmannia J.R. Forster & J.G.A. Forster, 1775 accepted as Laxmannia J.R. Forster & J.G.A. Forster, 1775 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Laxmannia F.E.L. von Fischer, 1812 accepted as Coluria R. Brown, 1823 (nomen nudum)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)
 Laxmannia S.G. Gmelin ex C.B. von Trinius, 1818 accepted as Phuopsis (A. Grisebach) Bentham & J.D. Hooker, 1873 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Layia
     Layia W.J. Hooker & Arnott ex A.P. de Candolle, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Layia W.J. Hooker & Arnott, 1833 accepted as Ormosia G. Jackson, 1811 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Lazarenkoa
     Lazarenkoa Zerova, 1938 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)
 Lazarenkoa M.S. Ignatov & E.A. Ignatova in Ignatov et al., 2019 accepted as Ignatovia U.B. Deshmukh, 2021 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Leskeaceae (Family)

Leachia
 Leachia Goodsir, 1841 accepted as Astacilla Cordiner, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Arcturidae (Family)
 Leachia Signoret, 1876 accepted as Palaeococcus Cockerell, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Margarodidae (Family)
     Leachia Brullé in Lepeletier, 1846 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Leachia Lesueur, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Cranchiidae (Family)
 Leachia Risso, 1826 accepted as Hydrobia Hartmann, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
     Leachia Cassini in F. Cuvier, 1822 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leachium
 Leachium McLeay in Smith, 1838 accepted as Hymenosoma Desmarest, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Hymenosomatidae (Family)
 Leachium Gistel, 1848 accepted as Astacilla Cordiner, 1793 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Arcturididae (Family)

Leaena
 Leaena Simon, 1885 accepted as Arctosa Koch, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Lycosidae (Family)
     Leaena Dahl, 1823 accepted as Laena Dejean, 1821 (misspelling - incorrect subsequent spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Leaena Malmgren, 1866 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)

Leaia
     Leaia Jones, 1862 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Leaiidae (Family)
 Leaia Banker, 1906 accepted as Gloiodon P.A. Karsten, 1879 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Russulales (Order) > Bondarzewiaceae (Family)
     Leaia Jones, 1863 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leandria
     Leandria E. Rangel in A. Maublanc & E. Rangel, 1915 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycetes (Class) > Ascomycetes incertae sedis (Order) > Ascomycetes incertae sedis (Family)
     Leandria Angel, 1933 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Chamaeleonidae (Family)

Lebia
     Lebia Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Lebia Oken, 1817 accepted as Cyprinodon Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Cyprinodontidae (Family)

Lebias
 Lebias Goldfuss, 1820 accepted as Cyprinodon Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Cyprinodontidae (Family)
 Lebias Le Sueur, 1821 accepted as Cyprinodon Lacepède, 1803 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Cyprinodontidae (Family)

Lebiomorpha
 Lebiomorpha Chaudoir, 1876 accepted as Sarothrocrepis Chaudoir, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Lebiomorpha Müller, 1942 accepted as Lebiomorphica Lorenz, 1998 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Lebiomorpha Sloane, 1917 accepted as Sarothrocrepis Chaudoir, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Lebistes
 Lebistes De Filippi, 1861 accepted as Poecilia Bloch & Schneider, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Poeciliidae (Family)
 Lebistes Smitt, 1900 accepted as Lebetus Winther, 1877 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)

Lebrunia
     Lebrunia Duchassaing de Fonbressin & Michelotti, 1860 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Aliciidae (Family)
     Lebrunia Staner, 1934 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Calophyllaceae (Family)

Lecanactis
     Lecanactis Körber, 1855 · Fungi (Kingdom) > Ascomycota (Phylum) > Arthoniomycetes (Class) > Arthoniales (Order) > Roccellaceae (Family)
 Lecanactis Eschweiler, 1824 accepted as Phaeographis J. Müller Arg., 1882 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)

Lecania
     Lecania Macquart, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
     Lecania A. Massalongo, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Lecanorales incertae sedis (Family)
 Lecania Carpenter, 1866 accepted as Lottia Gray, 1833 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Lottiidae (Family)

Lecaniella
     Lecaniella I.C. Cookson & A. Eisenack, 1962 † · Plantae (Kingdom) > Charophyta (Phylum) > Zygnematophyceae (Class) > Zygnematales (Order) > Zygnemataceae (Family)
 Lecaniella A. Jatta, 1889 accepted as Lecania A. Massalongo, 1853 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Lecanorales incertae sedis (Family)
 Lecaniella Vainio, 1896 accepted as Byssolecania Vainio, 1921 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Pilocarpaceae (Family)

Lecaniopsis
 Lecaniopsis (Vainio) A. Zahlbruckner in Engler & Prantl, 1926 accepted as Coenogonium C.G. Ehrenberg in C.G.D. Nees von Esenbeck, 1820 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Coenogoniaceae (Family)
 Lecaniopsis accepted as Lecanopsis Targioni-Tozzetti, 1868 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coccidae (Family)

Lecanium
     Lecanium Bouché, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coccidae (Family)
 Lecanium Burmeister, 1835 accepted as Coccus Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coccidae (Family)
 Lecanium K.B. Presl, 1843 accepted as Didymoglossum Desvaux, 1827 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Hymenophyllales (Order) > Hymenophyllaceae (Family)
 Lecanium Reinwardt, 1825 accepted as Lecanopteris Reinwardt, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Lecanoaspis
     Lecanoaspis Ivshin, 1962 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)
     Lecanoaspis Ivshin, 1983 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Lecanophora
     Lecanophora Aurivillius, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lecanophora Spegazzini, 1926 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Malvaceae (Family)

Lecanophrya
     Lecanophrya Jankowski, 1994 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Exogenida (Order) > Podophryidae (Family)
     Lecanophrya Kahl, 1934 accepted as Lecanophrya Jankowski, 1994 (nomen nudum)· Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Exogenida (Order) > Podophryidae (Family)

Lecanthus
     Lecanthus Grisebach accepted as Leianthus Grisebach, 1838 (misspelling - incorrect subsequent spelling)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
     Lecanthus Weddell, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Urticaceae (Family)

Lechea
 Lechea Loureiro, 1790 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Commelinaceae (Family)
     Lechea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Cistaceae (Family)

Lechinius
     Lechinius Borchmann, 1930 accepted as Lechinius Blair, 1922 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Lechinius Blair, 1922 accepted as Cteniopinus Seidlitz, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Lechlera
     Lechlera F.A.W. Miquel ex E.G. von Steudel, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
 Lechlera A.H.R. Grisebach, 1857 accepted as Solenomelus Miers, 1842 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)
 Lechlera E.G. von Steudel, 1854 accepted as Relchela Steudel, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Lecogaster
 Lecogaster White, 1915 accepted as Lecomyia White, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Stratiomyidae (Family)
     Lecogaster Scheffer in Pfeiffer, 1846 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Lecontea
 Lecontea Olivier, 1899 accepted as Pyractomena Melsheimer, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)
 Lecontea A. Richard ex A.P. de Candolle, 1830 accepted as Paederia Linnaeus, 1767 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Lecontia
 Lecontia W. Cooper ex J. Torrey, 1826 accepted as Peltandra Rafinesque, 1819 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
     Lecontia Champion, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Boridae (Family)

Lecythia
 Lecythia Sars, 1829 accepted as · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Actiniaria (Order) > Edwardsiidae (Family)
     Lecythia Wright, 1861 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Lecythium
     Lecythium Hertwig & Lesser, 1874 · Chromista (Kingdom) > Cercozoa (Phylum) > Thecofilosea (Class) > Tectofilosida (Order) > Chlamydophryidae (Family)
     Lecythium H. Zukal, 1893 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetes incertae sedis (Order) > Sordariomycetes incertae sedis (Family)

Leda
 Leda C.B. Clarke in G. King & J.S. Gamble, 1908 accepted as Isoglossa Oersted, 1854 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
 Leda Bory de St.-Vincent, 1822 accepted as Zygogonium Kützing, 1843 · Plantae (Kingdom) > Charophyta (Phylum) > Zygnematophyceae (Class) > Zygnematales (Order) > Zygnemataceae (Family)
 Leda Berendt, 1845 † accepted as Steneattus Bronn in Bronn & Roemer, 1855 † · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Leda Mayer, 1880 accepted as Leda Mayer, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Leda Schumacher, 1817 accepted as Nuculana Link, 1807 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Nuculanidae (Family)

Ledereria
     Ledereria Grote, 1874 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Ledereria Snellen, 1875 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Ledina
 Ledina accepted as Lednia Ricker, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Nemouridae (Family)
     Ledina Dall, 1898 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Yoldiidae (Family)
 Ledina Sacco, 1898 accepted as Saccella Woodring, 1925 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Nuculanidae (Family)

Leechia
     Leechia South, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)
 Leechia Röber in Seitz, 1907 accepted as Davidina Oberthür, 1879 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Leechia Tutt, 1907 accepted as Fixsenia Tutt, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)

Leeina
     Leeina Petrak, 1923 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Leeina Galloway, 1933 † accepted as Pseudofusulina Dunbar & Skinner, 1931 † · Chromista (Kingdom) > Retaria (Phylum) > Tubothalamea (Class) > Fusulinida (Order) > Schwagerinidae (Family)

Lefroyia
     Lefroyia Green, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coccidae (Family)
 Lefroyia Jones, 1874 accepted as Carapus Rafinesque, 1810 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Carapidae (Family)

Legendrea
     Legendrea Fauré-Fremiet, 1908 · Chromista (Kingdom) > Ciliophora (Phylum) > Litostomatea (Class) > Haptorida (Order) > Spathidiidae (Family)
 Legendrea P.B. Webb & S. Berthelot, 1844 accepted as Turbina Rafinesque, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Convolvulaceae (Family)

Legeria
     Legeria Labbé, 1899 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Actinocephalidae (Family)
 Legeria Blanchard, 1900 accepted as Aggregata Frenzel, 1885 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Adeleida (Order) > Aggregatidae (Family)

Legna
     Legna Walker, 1865 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Legna Walker, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Legnotus
     Legnotus Schiödte, 1848 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cydnidae (Family)
 Legnotus Loew, 1855 accepted as Legnotomyia Bezzi, 1902 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)

Legrandia
     Legrandia Jákl, 2019 accepted as Legrandetia Allsopp, Jákl & Rey, 2023 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Legrandia C. E. Beddome, 1883 accepted as Zeidora A. Adams, 1860 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Fissurellidae (Family)
     Legrandia Hanley, 1872 accepted as Legrandia Hanley, 1872 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Legrandia Kausel, 1944 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
 Legrandia F. Stockmans, 1968 † accepted as · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Leguatia
     Leguatia Schlegel, 1858 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Leguatia Muir, 1924 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Derbidae (Family)

Leguminaria
 Leguminaria Schumacher, 1817 accepted as Siliqua Megerle von Mühlfeld, 1811 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Pharidae (Family)
     Leguminaria Bureau, 1864 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Bignoniaceae (Family)

Lehmannia
     Lehmannia Heynemann, 1863 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Limacidae (Family)
 Lehmannia K.P.J. Sprengel, 1817 accepted as Nicotiana Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
 Lehmannia Trattinick, 1824 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Rosales (Order) > Rosaceae (Family)

Leia
     Leia Chaudoir, 1844 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Leia Albers, 1850 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Leia Meigen, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Mycetophilidae (Family)
 Leia Hope, 1838 accepted as Bembidion Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Leia M.H.J. van der Meer, 2022 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Leibleinia
 Leibleinia Endlicher, 1836 accepted as Calothrix C.A. Agardh ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Rivulariaceae (Family)
 Leibleinia Kützing, 1843 accepted as Leibleinia (Gomont) L. Hoffman, 1985 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Leptolyngbyaceae (Family)
 Leibleinia Meneghini, 1838 accepted as Calothrix C.A. Agardh ex Bornet & Flahault, 1886 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Rivulariaceae (Family)
     Leibleinia (Gomont) L. Hoffman, 1985 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Leptolyngbyaceae (Family)

Leichenum
     Leichenum Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Leichenum Blanchard, 1845 accepted as Leichenum Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Leichhardtia
 Leichhardtia Shepherd, 1851 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Cupressales (Order) > Cupressaceae (Family)
 Leichhardtia F. von Mueller, 1876 accepted as Phyllanthus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)
     Leichhardtia J. C. Walker, 1988 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Hygrophila (Order) > Planorbidae (Family)
 Leichhardtia R. Brown, 1848 accepted as Marsdenia R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Apocynaceae (Family)

Leidya
     Leidya Cornalia & Panceri, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Bopyridae (Family)
     Leidya França, 1917 (uncertain)· Protozoa (Kingdom) > Metamonada (Phylum) > Trichomonadea (Class) > Trichomonadida (Order) > Trichomonadida (awaiting allocation) (Family)

Leiestes
     Leiestes Redtenbacher, 1845 accepted as Leiestes Chevrolat in Dejean, 1836 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)
     Leiestes Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)
     Leiestes Motschoulsky, 1845 accepted as Leiestes Chevrolat in Dejean, 1836 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Endomychidae (Family)

Leifsonia
 Leifsonia Suzuki, Suzuki, Sasaki, Park & Komagata, 1999 accepted as Leifsonia Evtushenko et al., 2000 emend. Dastager et al., 2009 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Micrococcales (Order) > Microbacteriaceae (Family)
     Leifsonia Evtushenko et al., 2000 emend. Dastager et al., 2009 · Bacteria (Kingdom) > Actinobacteria (Phylum) > Actinobacteria (Class) > Micrococcales (Order) > Microbacteriaceae (Family)

Leighia
     Leighia Scopoli, 1777 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leighia Sogandares-Bernal & Lumsden, 1963 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Opisthorchiida (Order) > Heterophyidae (Family)
 Leighia Cassini in F. Cuvier, 1822 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leightonia
 Leightonia Trevisan, 1861 accepted as Trypethelium K.P.J. Sprengel, 1804 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Trypetheliales (Order) > Trypetheliaceae (Family)
 Leightonia Trevisan, 1853 accepted as Endocarpon J. Hedwig, 1789 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariaceae (Family)

Leimonia
     Leimonia Koch, 1847 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
 Leimonia Hübner, 1825 accepted as Loxostege Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Crambidae (Family)

Leioaletes
     Leioaletes Timofeev, 1955 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)
     Leioaletes F.L. Staplin, 1960 † (uncertain)· Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Leiobatis
 Leiobatis de Blainville, 1825 accepted as Urolophus Müller & Henle, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Urolophidae (Family)
 Leiobatis von Bonde & Swart, 1923 accepted as Anacanthobatis von Bonde & Swart, 1923 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Anacanthobatidae (Family)

Leiobatus
 Leiobatus Klein, 1775 accepted as Aetobatus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rajidae (Family)
 Leiobatus Rafinesque, 1810 accepted as Rhinobatos Linck, 1790 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Rajiformes (Order) > Rhinobatidae (Family)
 Leiobatus Blainville, 1816 accepted as Urolophus Müller & Henle, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Urolophidae (Family)
 Leiobatus Walbaum, 1792 accepted as Aetobatus Blainville, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Myliobatiformes (Order) > Myliobatidae (Family)

Leiocephalus
 Leiocephalus Quatrefages, 1866 accepted as Leiochone Grube, 1868 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Capitellida (Order) > Maldanidae (Family)
     Leiocephalus Gray, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Tropiduridae (Family)

Leiochilus
     Leiochilus Reuss, 1857 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Leiochilus J.D. Hooker in Bentham & J.D. Hooker, 1873 accepted as Coffea Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Leiochitina
     Leiochitina Locquin, 1976 † accepted as Cyathochitina Eisenack, 1955 † (nomen nudum)· Animalia (Kingdom) > Chitinozoa (Phylum) > (Class) > Prosomatifera (Order) > Lagenochitinidae (Family)
     Leiochitina Tsegelnyuk, 1982 † accepted as Lagenochitina Eisenack, 1931 † (junior subjective synonym)· Animalia (Kingdom) > Chitinozoa (Phylum) > (Class) > Prosomatifera (Order) > Lagenochitinidae (Family)

Leiochiton
 Leiochiton Curtis, 1831 accepted as Miscodera Eschscholtz, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Leiochiton Guinard, 1878 accepted as Tricholeiochiton Kloet & Hincks, 1944 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Hydroptilidae (Family)

Leiochone
 Leiochone Saint-Joseph, 1894 accepted as Maldane Grube, 1860 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Capitellida (Order) > Maldanidae (Family)
     Leiochone Grube, 1868 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Capitellida (Order) > Maldanidae (Family)

Leiochrotina
 Leiochrotina Jeannel, 1959 accepted as Sogaella Jeannel, 1960 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Leiochrotina Westwood, 1883 accepted as Crypsis Waterhouse, 1877 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Leiocrinus
     Leiocrinus Springer, 1902 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Leiocrinus d'Orbigny, 1850 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)

Leioderma
     Leioderma Willemoes-Suhm, 1873 (uncertain)· Animalia (Kingdom) > Sipuncula (Phylum) > Sipuncula (awaiting allocation) (Class) > Sipuncula (awaiting allocation) (Order) > Sipuncula (awaiting allocation) (Family)
     Leioderma Nylander, 1888 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Peltigerales (Order) > Pannariaceae (Family)
 Leioderma Tryon in Tryon & Pilsbry, 1882 † accepted as Liopeplum Dall, 1890 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Volutidae (Family)
 Leioderma Stensiö, 1918 † accepted as Wimania Stensiö, 1921 † · Animalia (Kingdom) > Chordata (Phylum) > Sarcopterygii (Class) > Coelacanthiformes (Order) > Coelacanthiformes (awaiting allocation) (Family)
 Leioderma Stafford, 1904 accepted as Steringophorus Odhner, 1905 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Fellodistomidae (Family)

Leiodes
     Leiodes Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
 Leiodes Schmidt, 1841 accepted as Anisotoma Panzer, 1797 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Leiodon
 Leiodon Wood, 1846 accepted as Somniosus Lesueur, 1818 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Squaliformes (Order) > Somniosidae (Family)
     Leiodon Swainson, 1839 accepted as Leiodon Swainson, 1839 (nomen dubium)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Tetraodontidae (Family)
 Leiodon Shuttlew. ex Sherff, 1936 accepted as Coreopsis Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leiodon Owen, 1841 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Mosasauridae (Family)

Leiognathus
 Leiognathus Canestrini, 1884 accepted as Ornithonyssus Sambon, 1928 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opilioacarida (Order) > Opilioacaridae (Family)
     Leiognathus Ni, 1984 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Conodonta (Class) > Conodonta (awaiting allocation) (Order) > (Family)
     Leiognathus Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Leiognathidae (Family)

Leiolepis
 Leiolepis Heller, 1952 † accepted as Alleiolepis Heller, 1953 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Semionotiformes (Order) > Semionotiformes (awaiting allocation) (Family)
     Leiolepis Goldenberg, 1875 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Leiolepis Cuvier, 1829 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Agamidae (Family)
 Leiolepis Duméril, 1853 accepted as Calloselasma Cope, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Viperidae (Family)

Leiolobium
 Leiolobium H.G.L. Reichenbach, 1829 accepted as Leiolobium H.G.L. Reichenbach, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
     Leiolobium Bentham, 1837 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Leiomerus
 Leiomerus Pierce, 1916 accepted as Leiomerus Boheman, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leiomerus Gemminger & Harold, 1871 accepted as Leiomerus Gemminger & Harold, 1871 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)
     Leiomerus Boheman, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leionota
 Leionota Marseul, 1853 accepted as Hololepta Paykull, 1811 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)
 Leionota Dejean, 1833 accepted as Hololepta Paykull, 1811 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Histeridae (Family)

Leionotus
     Leionotus Koch, 1842-43 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)
     Leionotus Saussure, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
 Leionotus Kirby & Spence, 1828 accepted as Dytiscus Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)
     Leionotus Cocteau & Bibron in Sagra, 1843 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Tropidophiidae (Family)
     Leionotus Jan, 1863 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)

Leiopa
 Leiopa Gray, 1841 accepted as Leipoa Gould, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Megapodiidae (Family)
 Leiopa Agassiz, 1846 accepted as Leipoa Gould, 1841 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Galliformes (Order) > Megapodiidae (Family)

Leiopathes
     Leiopathes Haime, 1849 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Antipatharia (Order) > Leiopathidae (Family)
     Leiopathes Gray, 1840 accepted as Leiopathes Gray, 1840 (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Hexacorallia (awaiting allocation) (Order) > (Family)

Leiopeplus
     Leiopeplus Murray, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Nitidulidae (Family)
     Leiopeplus Broun, 1893 accepted as Chrysopeplus Gebien, 1942 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Leiophloea
 Leiophloea (Acharius) Gray, 1821 accepted as Arthopyrenia A. Massalongo, 1852 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Arthopyreniaceae (Family)
     Leiophloea Trevisan, 1860 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Arthopyreniaceae (Family)

Leiophyllum
 Leiophyllum R.A. Hedwig, 1806 accepted as Kalmia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
 Leiophyllum (Persoon) S. Elliott, 1817 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)
     Leiophyllum Schrammen, 1924 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Lithistida (awaiting allocation) (Family)

Leioplacis
     Leioplacis Chevrolat in Dejean, 1836 accepted as Leioplacis Chevrolat, 1843 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Leioplacis Chevrolat, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Leiopterus
     Leiopterus Schönherr, 1833 accepted as Myrmex Sturm, 1826 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leiopterus Stephens, 1835 accepted as Liopterus Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Dytiscidae (Family)

Leioptilus
 Leioptilus Gray, 1860 accepted as Ptilosarcus Verrill, 1865 · Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Scleralcyonacea (Order) > Pennatulidae (Family)
 Leioptilus Wallengren, 1860 accepted as Hellinsia Tutt, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pterophoridae (Family)

Leiopus
 Leiopus Beddard, 1886 accepted as Leviapseudes Sieg, 1983 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Tanaidacea (Order) > Apseudidae (Family)
     Leiopus Audinet-Serville, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Leiosella
     Leiosella Canu & Bassler, 1917 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Cheilostomatida (awaiting allocation) (Family)
     Leiosella Lendenfeld, 1888 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Dictyoceratida (Order) > Spongiidae (Family)

Leiosoma
     Leiosoma Dejean, 1836 accepted as Eleusis Laporte, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Leiosoma Motschoulsky, 1839 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Diplopoda (awaiting allocation) (Order) > (Family)
     Leiosoma Silvestri, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Paradoxosomatidae (Family)
     Leiosoma Felder, 1874 accepted as Erocha Walker, 1854 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Leiosoma Nicolet, 1855 accepted as Liacarus Michael, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Liacaridae (Family)
 Leiosoma Cotteau in Cotteau & Triger, 1869 † accepted as Trochalosoma Lambert, 1897 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Phymosomatoida (Order) > Phymosomatidae (Family)
 Leiosoma Stephens, 1829 accepted as · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leiosoma Chevrolat, 1846 accepted as Eleusis Laporte, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leiospongia
 Leiospongia de Laubenfels, 1955 † accepted as Cassianochaetetes Engeser & Taylor, 1989 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Agelasida (Order) > Astroscleridae (Family)
     Leiospongia d'Orbigny, 1849 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Agelasida (Order) > (Family)

Leiostoma
     Leiostoma Swainson, 1840 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicidae (Family)
     Leiostoma Swainson, 1840 [2] (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Volutidae (Family)
     Leiostoma (W. Mitten) Paris, 1897 (uncertain)· Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Orthotrichales (Order) > Orthotrichaceae (Family)

Leiostomus
     Leiostomus Swainson, 1840 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Volutidae (Family)
     Leiostomus Lacepède, 1802 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sciaenidae (Family)

Leiosynodontis
 Leiosynodontis Bleeker, 1862 accepted as Synodontis Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Mochokidae (Family)
     Leiosynodontis Bleeker, 1862, nom. nud. accepted as Synodontis Cuvier, 1816 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Mochokidae (Family)

Leiothorax
     Leiothorax Pinna, 1974 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Caridea (awaiting allocation) (Family)
     Leiothorax Wittmer, 1978 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cantharidae (Family)

Leiothrix
     Leiothrix Swainson in Richardson, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)
     Leiothrix Ruhland in Engler, 1903 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Eriocaulaceae (Family)

Leirus
 Leirus Dahl, 1823 accepted as Leirus Dejean, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Leirus Zimmermann in Gistl, 1832 accepted as Leirus Dejean, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Leirus Lowe, 1834 accepted as Schedophilus Cocco, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Centrolophidae (Family)
 Leirus Dejean, 1828 accepted as Amara Bonelli, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Leitneria
     Leitneria Evans, 1957 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Mesostigmata (Order) > Halolaelapidae (Family)
     Leitneria Chapman, 1860 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Simaroubaceae (Family)

Leiurus
 Leiurus Kaup in Duméril, 1856 accepted as Myrichthys Girard, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Ophichthidae (Family)
 Leiurus Gray, 1845 accepted as Hemidactylus Oken, 1817 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)
     Leiurus Ehrenberg in Hemprich & Ehrenberg, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Scorpiones (Order) > Buthidae (Family)
 Leiurus Swainson, 1839 accepted as Abalistes Jordan & Seale, 1906 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Balistidae (Family)

Leja
 Leja Dejean, 1821 accepted as Bembidion Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
 Leja Gimmerthal, 1832 accepted as Leia Meigen, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Mycetophilidae (Family)

Lejeunia
 Lejeunia Gerlach, 1961 accepted as Lejeunecysta D.G. Artzner & G. Dörhöfer, 1978 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Peridiniales (Order) > Protoperidiniaceae (Family)
 Lejeunia M.-A. Libert, 1820 accepted as Lejeunia M.-A. Libert, 1820 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Porellales (Order) > Lejeuneaceae (Family)

Lekanophyllum
     Lekanophyllum Wedekind, 1924 † · Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)
     Lekanophyllum Wedekind, 1923 † accepted as Lekanophyllum Wedekind, 1924 † (nomen nudum)· Animalia (Kingdom) > Cnidaria (Phylum) > (Class) > Rugosa (Order) > Rugosa (awaiting allocation) (Family)

Leleupia
 Leleupia Delucchi, 1962 accepted as Tanzanicesa Koçak & Kemal, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Pteromalidae (Family)
     Leleupia Jeannel, 1949 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leleupiella
 Leleupiella Karaman, 1959 † accepted as Trogloleleupia Ruffo, 1974 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Ingolfiellidae (Family)
     Leleupiella Jeannel, 1952 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Lelex
 Lelex Nicéville, 1899 accepted as Lelecella Hemming, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nymphalidae (Family)
 Lelex Rafinesque, 1815 accepted as Lelex Rafinesque, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Arachnida (awaiting allocation) (Order) > Arachnida (awaiting allocation) (Family)

Lelongia
 Lelongia Mello-Leitão, 1938 accepted as Procleobis Kraepelin, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Solifugae (Order) > Ammotrechidae (Family)
     Lelongia Kraglievich, 1932 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Caviidae (Family)

Leloupia
     Leloupia Kaas & Van Belle, 1990 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Callochitonidae (Family)
     Leloupia P. Pelseneer, 1903 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Ischnochitonida (Order) > Ischnochitonidae (Family)

Lemanea
     Lemanea Bory de Saint-Vincent, 1808 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Batrachospermales (Order) > Batrachospermaceae (Family)
 Lemanea S. Sirodot, 1872 accepted as Paralemanea (P.C. Silva) M.L. Vis & R.G. Sheath, 1992 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Batrachospermales (Order) > Batrachospermaceae (Family)

Lemania
 Lemania Forel, 1878 accepted as Hygrobates Koch in Panzer, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Hygrobatidae (Family)
 Lemania Bory in C.A. Agardh, 1824 accepted as Lemanea Bory de Saint-Vincent, 1808 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Batrachospermales (Order) > Batrachospermaceae (Family)

Lembidium
 Lembidium Körber, 1855 accepted as Anisomeridium (J. Müller Arg.) M. Choisy, 1928 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Monoblastiales (Order) > Monoblastiaceae (Family)
     Lembidium Mitten in J.D. Hooker, 1867 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Lepidoziaceae (Family)

Lemboides
     Lemboides Stebbing, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Aoridae (Family)
 Lemboides Kahl, 1931 accepted as Paralembus Kahl, 1933 · Chromista (Kingdom) > Ciliophora (Phylum) > Oligohymenophorea (Class) > Philasterida (Order) > Paralembidae (Family)

Lembulus
     Lembulus Sowerby, 1842 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lembulus Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Nuculanida (Order) > Nuculanidae (Family)

Lembus
 Lembus Cohn, 1866 accepted as Cohnilembus Kahl, 1933 · Chromista (Kingdom) > Ciliophora (Phylum) > Oligohymenophorea (Class) > Scuticociliatida (Order) > Cohnilembidae (Family)
 Lembus Günther, 1859 accepted as Gobiomorus Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Eleotridae (Family)

Lementina
 Lementina Gray, 1842 accepted as Lemintina Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Vermetidae (Family)
 Lementina Risso, 1826 accepted as Thylacodes Guettard, 1770 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Vermetidae (Family)

Lemia
     Lemia Guenée in Duponchel, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Lemia Vandelli, 1788 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Portulacaceae (Family)

Lemkea
     Lemkea G. Morgan-Jones & R.C. Sinclair, 1983 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Lemkea Kotthaus, 1968 accepted as Gnathophis Kaup, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Congridae (Family)

Lemmermannia
 Lemmermannia Chodat, 1900 accepted as Crucigenia Morren, 1830 · Plantae (Kingdom) > Chlorophyta (Phylum) > Trebouxiophyceae (Class) > Trebouxiophyceae incertae sedis (Order) > Trebouxiophyceae incertae sedis (Family)
 Lemmermannia A.A. Elenkin, 1933 accepted as Lemmermanniella L. Geitler in A. Engler & K. Prantl, 1942 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Chroococcales (Order) > Chroococcaceae (Family)

Lemmermanniella
     Lemmermanniella L. Geitler in A. Engler & K. Prantl, 1942 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Synechococcales (Order) > Synechococcaceae (Family)
 Lemmermanniella B.V. Skvortzov, 1968 accepted as Skvortzoviella Bourrelly, 1970 · Chromista (Kingdom) > Cryptista (Phylum) > Cryptophyceae (Class) > Cryptomonadales (Order) > Butschliellaceae (Family)

Lemmus
     Lemmus Link, 1795 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Cricetidae (Family)
 Lemmus Rochebrune, 1843 accepted as Lemmus Link, 1795 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Cricetidae (Family)

Lemna
 Lemna Duméril, 1856 accepted as Lamna Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Lamniformes (Order) > Lamnidae (Family)
     Lemna Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
 Lemna Rafinesque, 1817 accepted as · Plantae (Kingdom) > Marchantiophyta (Phylum) > Marchantiopsida (Class) > Marchantiales (Order) > Ricciaceae (Family)

Lemniscia
     Lemniscia Lowe, 1855 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicidae (Family)
     Lemniscia Schreber, 1789 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Humiriaceae (Family)

Lemonia
 Lemonia Lindley, 1840 accepted as Ravenia Vellozo, 1829 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)
     Lemonia Hübner, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Brahmaeidae (Family)

Lemonias
 Lemonias Hübner, 1806 accepted as Lemonias Hübner, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Riodinidae (Family)
     Lemonias Hübner, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Riodinidae (Family)
 Lemonias Illiger in Wiedemann, 1818 accepted as Lemonias Hübner, 1807 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Riodinidae (Family)

Lemonniera
 Lemonniera Lecomte ex Baehni, 1938 accepted as Neolemonniera Heine, 1960 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)
     Lemonniera De Wildeman, 1894 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Discinellaceae (Family)

Lempijius
     Lempijius Bonaparte, 1854, nom. nud. accepted as Otus Pennant, 1769 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)
 Lempijius Bonaparte, 1854 accepted as Otus Pennant, 1769 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Strigiformes (Order) > Strigidae (Family)

Lemur
     Lemur Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Lemuridae (Family)
 Lemur Hübner, 1809-1813 accepted as Lemur Hübner, 1809-1813 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Lemurella
     Lemurella Seyrig, 1952 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)
     Lemurella Schlechter, 1925 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Lemuriana
     Lemuriana Griveaud, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Lemuriana Distant, 1905 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Lena
     Lena Herz, 1904 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Lena Casey, 1886 accepted as Sunius Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Lenaella
     Lenaella Byalyi, 1973 † · Animalia (Kingdom) > Mollusca (Phylum) > Monoplacophora (Class) > Cyrtonellida (Order) > Cyrtonellidae (Family)
     Lenaella Haman, 1988 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)
     Lenaella K.B. Korde, 1959 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Lenia
     Lenia Martin, 1828 † accepted as Lenia Martin, 1828 † (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lenia Dolnik in Dolnik & Vorontsova, 1971 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Acrescentida (Order) > Gymnosolenidae (Family)
 Lenia Hoffmann, 1977 † accepted as Asperia Semikhatov, 1978 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Minicolumellida (Order) > Pseudogymnosolenidae (Family)

Lennea
     Lennea Klotzsch in Link, Klotzsch & Otto, 1842 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Lennea R. Kräusel & H. Weyland, 1932 † accepted as · Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)

Lenneocrinus
     Lenneocrinus Schmidt, 1909 † accepted as Lenneocrinus Jaekel, 1918 † (nomen nudum)· Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)
     Lenneocrinus Jaekel, 1918 † · Animalia (Kingdom) > Echinodermata (Phylum) > Crinoidea (Class) > Monobathrida (Order) > Monobathrida (awaiting allocation) (Family)

Lenormandia
 Lenormandia Trevisan, 1843 accepted as · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Fucales (Order) > Durvillaeaceae (Family)
 Lenormandia Montagne, 1844 accepted as · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Solieriaceae (Family)
 Lenormandia Delise in Desmazières, 1841 accepted as Normandina Nylander, 1855 · Fungi (Kingdom) > Ascomycota (Phylum) > Eurotiomycetes (Class) > Verrucariales (Order) > Verrucariaceae (Family)
     Lenormandia Sonder, 1845 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
 Lenormandia E.G. von Steudel, 1850 accepted as Chrysopogon Trinius, 1820 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Lens
     Lens P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Lens Simpson, 1900 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Unionoida (Order) > Unionidae (Family)

Lensia
     Lensia Totton, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Lensia Pugh & Pages, 1995 accepted as Gilia Pugh & Pagès, 1995 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)
 Lensia Alvarino & Wojtan, 1984 accepted as Dimophyes Moser, 1925 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Siphonophorae (Order) > Diphyidae (Family)

Lenticula
     Lenticula Held, 1837 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Lenticula J. Hill, 1757 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Lenticularia
     Lenticularia van Achterberg, 2003 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)
     Lenticularia Séguier, 1754 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)
 Lenticularia Gray, 1840 accepted as Lenticularia Gray, 1840 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Lucinidae (Family)
 Lenticularia Friche-Joset & Montandon, 1856 accepted as Lemna Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Lenticulina
     Lenticulina Lamarck, 1804 · Chromista (Kingdom) > Retaria (Phylum) > Globothalamea (Class) > Lagenida (Order) > Vaginulinidae (Family)
     Lenticulina Férussac, 1821 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lentigo
     Lentigo Mörch, 1868 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Lentigo Jousseaume, 1886 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Strombidae (Family)

Lentilla
     Lentilla Conti & Monari, 1992 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Pterioida (Order) > Pterioida (awaiting allocation) (Family)
 Lentilla W.F. Wight ex D. Fairchild, 1912 accepted as Lens P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Lentiscus
     Lentiscus P. Miller, 1754 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Anacardiaceae (Family)
 Lentiscus O. Kuntze, 1891 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Anacardiaceae (Family)

Lenwebbia
     Lenwebbia N. Snow & G.P. Guymer, 2003 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Myrtales (Order) > Myrtaceae (Family)
     Lenwebbia Stanisic, 1990 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Charopidae (Family)

Lenzia
     Lenzia Perry, Boucot & Gabrielse, 1981 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Delthyrididae (Family)
 Lenzia Oudemans, 1928 accepted as Calvolia Oudemans, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Astigmata (Order) > Winterschmidtiidae (Family)
     Lenzia R.A. Philippi, 1863 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Montiaceae (Family)
     Lenzia Rickards & Wright, 1999 † accepted as Lenzograptus Loydell, 2020 † (junior homonym)· Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptoloidea (Order) > Graptoloidea incertae sedis (Family)
     Lenzia Kieffer, 1922 accepted as Lenzia Kieffer, 1922 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Lenzites
     Lenzites E.M. Fries, 1836 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Polyporaceae (Family)
     Lenzites Becker & House, 1994 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Anarcestida (Order) > Mimoceratidae (Family)

Leo
 Leo Oken, 1816 accepted as Panthera Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Felidae (Family)
 Leo Frisch, 1775 accepted as Panthera Oken, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Felidae (Family)

Leocephalus
     Leocephalus Ivshin, 1962 † · Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Ptychopariida (Order) > Ptychopariida (awaiting allocation) (Family)
     Leocephalus Ivshin, 1983 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

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

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

Leocrates
     Leocrates Stål, 1875 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Orthoptera (awaiting allocation) (Family)
     Leocrates Kinberg, 1866 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Hesionidae (Family)

Leodamas
     Leodamas Kinberg, 1866 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Orbiniida (Order) > Orbiniidae (Family)
     Leodamas Ehlers, 1901 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Orbiniida (Order) > Orbiniidae (Family)

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

Leonardia
 Leonardia Mearns, 1905 accepted as Trichastoma Blyth, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Sylviidae (Family)
     Leonardia Tapparone-Canefri, 1889 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Leonardia Urban, 1922 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Sapindaceae (Family)

Leonardosia
 Leonardosia Mello-Leitão, 1935 accepted as Promitobates Roewer, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Leonardosia F.W. Sommer in F.W. Lange, 1954 † · Plantae (Kingdom) > Charophyta (Phylum) > Charophyceae (Class) > Charales (Order) > Porocharaceae (Family)

Leonhardellina
 Leonhardellina Guéorguiev, 1976 accepted as Leonhardella Reitter, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
     Leonhardellina Jeannel, 1948 accepted as Leonhardella Reitter, 1903 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Leonhardia
     Leonhardia Reitter, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
     Leonhardia Opiz, 1857 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Leonia
 Leonia Dugès, 1889 accepted as Hornia Riley, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Meloidae (Family)
     Leonia Baird, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)
     Leonia Gray, 1840 accepted as Leonia Baird, 1850 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Pomatiidae (Family)
     Leonia Carvalho, 1991 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Leonia Ruiz & Pavon, 1799 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Violaceae (Family)
 Leonia Cervantes in La Llave & Lexarza, 1825 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Leonia Lindquist, 1986 accepted as Deleonia Lindquist, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tarsonemidae (Family)

Leoniella
 Leoniella Mitrofanov, 1973 accepted as Priscapalpus De Leon, 1961 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Tenuipalpidae (Family)
     Leoniella F.H. Cramer, 1964 † · Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)

Leonotus
 Leonotus † accepted as Leonodus Mader, 1986 † · Animalia (Kingdom) > Chordata (Phylum) > Chondrichthyes (Class) > Elasmobranchiomorphi (awaiting allocation) (Order) > Elasmobranchiomorphi (awaiting allocation) (Family)
     Leonotus Britton, 1986 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Leontium
 Leontium Thomson, 1864 accepted as Chloridolum Thomson, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Leontium sensu Lacordaire, 1869 accepted as Chelidonium Thomson, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Leontocebus
 Leontocebus Elliot, 1913 accepted as Leontopithecus Lesson, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Cebidae (Family)
 Leontocebus Wagner in Schreber, 1839 accepted as Saguinus Hoffmannsegg, 1807 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Primates (Order) > Cebidae (Family)

Leontochaeta
 Leontochaeta Agassiz, 1846 accepted as Sparrmannia Laporte de Castelnau, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Leontochaeta Erichson, 1847 accepted as Sparrmannia Laporte de Castelnau, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Leonurus
     Leonurus Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)
 Leonurus P. Miller, 1754 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Leopardus
     Leopardus Forsskål, 1775 accepted as Leopardus Forsskål, 1775 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Leopardus Gray, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Felidae (Family)

Leopoldia
 Leopoldia Parlatore, 1845 accepted as Muscari P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Asparagaceae (Family)
 Leopoldia Herbert, 1821 accepted as Leopoldia Herbert, 1821 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
     Leopoldia Baumberger, 1906 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Berriasellidae (Family)

Leopoldius
     Leopoldius Rondani, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Conopidae (Family)
 Leopoldius Serène, 1971 accepted as Serenepilumnus Türkay & Schuhmacher, 1985 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pilumnidae (Family)

Lepas
     Lepas Linnaeus, 1758 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Pedunculata (Order) > Lepadidae (Family)
     Lepas de Costa, 1778 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Lepeta
     Lepeta Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Lepetidae (Family)
     Lepeta Gray, 1840 accepted as Lepeta Gray, 1847 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Patellogastropoda (Order) > Lepetidae (Family)

Lepia
 Lepia N.A. Desvaux, 1815 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Lepia J. Hill, 1759 accepted as Zinnia Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lepiactis
     Lepiactis Rafinesque, 1837 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lepiactis Rafinesque, 1838 accepted as Utricularia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lentibulariaceae (Family)

Lepiceroides
 Lepiceroides Schedl, 1957 accepted as Hypothenemus Westwood, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Lepiceroides Kirejtshuk & Poinar, 2013 † accepted as Lepichelus Kirejtshuk & Poinar in Kirejtshuk, 2017 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lepiceridae (Family)

Lepicerus
     Lepicerus Motschoulsky, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lepiceridae (Family)
 Lepicerus Eichhoff, 1878 accepted as Lepidocerus Rye, 1880 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lepidacanthus
 Lepidacanthus Agassiz, 1846 † accepted as Monocentris Bloch & Schneider, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Beryciformes (Order) > Monocentridae (Family)
 Lepidacanthus K.B. Presl, 1845 accepted as Aphelandra R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)

Lepidactylus
     Lepidactylus Say, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Haustoriidae (Family)
     Lepidactylus Meinert, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Haustoriidae (Family)

Lepidanthus
 Lepidanthus Nuttall, 1835 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
 Lepidanthus Nuttall, 1841 accepted as Matricaria Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lepidanthus C.G.D. Nees, 1830 accepted as Hypodiscus C.G.D. Nees in J. Lindley, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Restionaceae (Family)

Lepidaster
 Lepidaster Verrill, 1871 accepted as Leiaster Peters, 1852 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Valvatida (Order) > Ophidiasteridae (Family)
     Lepidaster Forbes, 1850 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)

Lepidella
 Lepidella Vogdes, 1893 accepted as Lepidella Vogdes, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Lepidella E.-J. Gilbert, 1925 accepted as Saproamanita S.A. Redhead, A. Vizzini, D.C. Drehmel & M. Contu, 2016 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Amanitaceae (Family)
 Lepidella Van Tieghem, 1912 accepted as Lepidaria Van Tieghem, 1895 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Loranthaceae (Family)
     Lepidella Zacharias, 1906 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Lepidia
 Lepidia Agassiz, 1846 accepted as Lepidia Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Lepidia Savigny, 1822 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)

Lepidilla
     Lepidilla Matthew, 1886 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Ostracoda (awaiting allocation) (Order) > Ostracoda incertae sedis (Family)
 Lepidilla Ribaga, 1905 accepted as Pteroxanium Enderlein, 1922 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Lepidopsocidae (Family)

Lepidina
 Lepidina Paclt, 1963 accepted as Lepidospora Escherich, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Nicoletiidae (Family)
     Lepidina Silvestri, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Nicoletiidae (Family)

Lepidion
 Lepidion Menge in Berendt, 1854 † accepted as Lepidotrix Menge in Berendt, 1854 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Lepidotrichidae (Family)
     Lepidion Swainson, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)

Lepidium
 Lepidium Menge in Berendt, 1854 † accepted as Lepidotrix Menge in Berendt, 1854 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Lepidotrichidae (Family)
 Lepidium Agassiz, 1846 accepted as Lepidion Swainson, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)
     Lepidium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Lepidium Hurst, 1896 accepted as Leptoclinum Milne Edwards, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Aplousobranchia (Order) > Didemnidae (Family)

Lepidobaris
 Lepidobaris Lea, 1927 accepted as Linogeraeus Casey, 1920 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lepidobaris Champion, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lepidoblennius
     Lepidoblennius Steindachner, 1867 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Tripterygiidae (Family)
 Lepidoblennius Sauvage, 1874 accepted as Springeratus Shen, 1971 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Clinidae (Family)

Lepidocarpus
 Lepidocarpus Adanson, 1763 accepted as Protea Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Lepidocarpus A. Rothpletz, 1880 † accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lycopodiopsida (awaiting allocation) (Order) > Lycopodiopsida (awaiting allocation) (Family)

Lepidocephalus
     Lepidocephalus Bleeker, 1859 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cobitidae (Family)
     Lepidocephalus Hallowell, 1860 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)

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

Lepidochiton
 Lepidochiton Meerow accepted as Leptochiton Sealy, 1937 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)
 Lepidochiton Gray, 1821 accepted as Lepidochitona Gray, 1821 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Lepidochitonidae (Family)

Lepidochora
     Lepidochora Koch, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Lepidochora Gebien, 1938 accepted as Lepidochora Koch, 1952 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Lepidochromis
 Lepidochromis Fowler & Bean, 1928 accepted as Chromis Cuvier, 1814 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pomacentridae (Family)
 Lepidochromis Poll, 1981 accepted as Greenwoodochromis Poll, 1983 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)

Lepidocnemeplatia
     Lepidocnemeplatia Kaszab, 1938 accepted as Lepidocnemeplatia Bousquet & Bouchard, 2018 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Lepidocnemeplatia Bousquet & Bouchard, 2018 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Lepidocystis
     Lepidocystis Foerste in Resser & Howell, 1938 † · Animalia (Kingdom) > Echinodermata (Phylum) > Eocrinoidea (Class) > Imbricata (Order) > Imbricata (awaiting allocation) (Family)
     Lepidocystis Lesquereux, 1880 † (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lepidocarpales (Order) > Lepidocarpaceae (Family)

Lepidodactylus
     Lepidodactylus Fitzinger, 1843 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gekkonidae (Family)
 Lepidodactylus Agassiz, 1846 accepted as Lepidodactylus Agassiz, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Haustoriidae (Family)

Lepidoderma
     Lepidoderma de Bary in Rostafinski, 1873 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxomycetes (Class) > Physarales (Order) > Didymiaceae (Family)
 Lepidoderma Zelinka, 1889 accepted as Lepidodermella Blake, 1933 · Animalia (Kingdom) > Gastrotricha (Phylum) > (Class) > Chaetonotida (Order) > Chaetonotidae (Family)
 Lepidoderma Waterhouse, 1875 accepted as Dermolepida Arrow, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Lepidoderma Reuss, 1855 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Trilobita (Class) > Trilobita (awaiting allocation) (Order) > Trilobita (awaiting allocation) (Family)

Lepidodermopsis
 Lepidodermopsis Wilczek & Meylan, 1934 accepted as Lepidoderma de Bary in Rostafinski, 1873 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxomycetes (Class) > Physarales (Order) > Didymiaceae (Family)
 Lepidodermopsis F. von Höhnel, 1909 accepted as Didymium H.A. Schrader, 1797 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxomycetes (Class) > Physarales (Order) > Didymiaceae (Family)

Lepidodes
     Lepidodes Guenée, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Lepidodes Westwood, 1841 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)

Lepidodiplosis
     Lepidodiplosis Kieffer, 1911 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)
     Lepidodiplosis Kieffer, 1912 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)

Lepidodiscus
     Lepidodiscus Witt, 1886 † · Chromista (Kingdom) > Bacillariophyta (Phylum) > Coscinodiscophyceae (Class) > Coscinodiscales (Order) > Heliopeltaceae (Family)
     Lepidodiscus Meek & Worthen, 1869 † · Animalia (Kingdom) > Echinodermata (Phylum) > Edrioasteroidea (Class) > Isorophida (Order) > Isorophida (awaiting allocation) (Family)

Lepidodus
 Lepidodus Lacordaire, 1866 accepted as Timorus Schönherr, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Lepidodus Erichson, 1842 accepted as Lepidodus Erichson, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)

Lepidoglanis
 Lepidoglanis Legalov, 1997 accepted as Neoglanis Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Lepidoglanis Vaillant, 1889 accepted as Gastromyzon Günther, 1874 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Balitoridae (Family)

Lepidolites
     Lepidolites E.O. Ulrich, 1879 † · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Cyclocrinales (Order) > Cyclocrinaceae (Family)
 Lepidolites Ulrich, 1889 † accepted as Lepidolites E.O. Ulrich, 1879 † · Plantae (Kingdom) > Chlorophyta (Phylum) > Ulvophyceae (Class) > Cyclocrinales (Order) > Cyclocrinaceae (Family)

Lepidolopha
     Lepidolopha C. Winkler, 1894 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lepidolopha Gray, 1869 accepted as Lepidolopha Gray, 1869 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Lepidoma
 Lepidoma (Acharius) S.F. Gray, 1821 accepted as Lecidoma G. Schneider & H. Hertel in H. Hertel, 1981 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Lecanorales (Order) > Lecanorales incertae sedis (Family)
 Lepidoma Link, 1809 accepted as Rhizocarpon Ramond de Carbonières ex A.P. de Candolle in Lamarck & A.P. de Candolle, 1805 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Rhizocarpales (Order) > Rhizocarpaceae (Family)

Lepidomenia
     Lepidomenia Marion, 1883 accepted as Lepidomenia Marion, 1883 (nomen nudum)· Animalia (Kingdom) > Mollusca (Phylum) > Aplacophora (Class) > Pholidoskepia (Order) > Lepidomeniidae (Family)
     Lepidomenia Kowalewsky in Brock, 1883 · Animalia (Kingdom) > Mollusca (Phylum) > Aplacophora (Class) > Pholidoskepia (Order) > Lepidomeniidae (Family)

Lepidomuricea
     Lepidomuricea Kükenthal, 1919 · Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Malacalcyonacea (Order) > Acanthogorgiidae (Family)
     Lepidomuricea Verrill, 1922 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Lepidomyia
 Lepidomyia Kieffer, 1894 accepted as Ledomyia Kieffer, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Cecidomyiidae (Family)
 Lepidomyia Borgmeier, 1922 accepted as Lepidophoromyia Borgmeier, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)
 Lepidomyia Loew, 1864 accepted as Lepidostola Mik, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)
 Lepidomyia Bezzi, 1903 accepted as Lepidomya Bigot, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Empididae (Family)

Lepidon
     Lepidon Swainson, 1839 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Lepidon accepted as Lepidion Swainson, 1838 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Moridae (Family)

Lepidonema
     Lepidonema Cobb, 1898 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Hystrignathidae (Family)
     Lepidonema F.E.L. Fischer & C.A. Meyer, 1836 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lepidophora
 Lepidophora Tepper, 1895 accepted as Eppertia Shaw, 1925 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blattidae (Family)
     Lepidophora Westwood, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)

Lepidophorella
     Lepidophorella Poppius, 1909 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Lepidophorella Schaeffer, 1897 · Animalia (Kingdom) > Arthropoda (Phylum) > Collembola (Class) > Entomobryomorpha (Order) > Tomoceridae (Family)

Lepidophorus
     Lepidophorus Kirby, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Lepidophorus Taschenberg, 1882 accepted as Kelloggia Carriker, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phthiraptera (Order) > Philopteridae (Family)

Lepidophthalmus
     Lepidophthalmus Holmes, 1904 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Callichiridae (Family)
 Lepidophthalmus Fage, 1924 accepted as Spelaeomysis Caroli, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Mysida (Order) > Lepidophthalmidae (Family)

Lepidophyllum
     Lepidophyllum Cassini, 1816 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Lepidophyllum A.T. Brongniart, 1828 † accepted as Lepidophylloides N.S. Snigirevskaja, 1958 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lepidodendrales (Order) > Lepidodendrales (awaiting allocation) (Family)
     Lepidophyllum Odhner, 1902 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Zoogonidae (Family)
 Lepidophyllum I. Trinajstić, 1980 accepted as Phyllolepidum I. Trinajstić, 1990 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Lepidopleum
 Lepidopleum Auctt. accepted as Claparedepelogenia Pettibone, 1997 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Sigalionidae (Family)
 Lepidopleum Perrier, 1897 accepted as Claparedepelogenia Pettibone, 1997 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Sigalionidae (Family)

Lepidopleura
 Lepidopleura Leloup, 1981 accepted as Lepidopleurus Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Lepidopleurida (Order) > Leptochitonidae (Family)
 Lepidopleura Leach, 1847 accepted as Lepidopleurus Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Lepidopleurida (Order) > Leptochitonidae (Family)

Lepidopleurus
 Lepidopleurus Claparède, 1868 accepted as Claparedepelogenia Pettibone, 1997 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Phyllodocida (Order) > Sigalionidae (Family)
     Lepidopleurus Dall, 1879 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lepidopleurus Duncan & Sladen, 1885 † (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Camarodonta (Order) > Trigonocidaridae (Family)
     Lepidopleurus Risso, 1826 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Lepidopleurida (Order) > Leptochitonidae (Family)

Lepidops
 Lepidops Stimpson, 1860 accepted as Lepidopa Stimpson, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Albuneidae (Family)
 Lepidops Zimmer in Kükenthal & Krumbach, 1927 accepted as Spelaeomysis Caroli, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Mysida (Order) > Lepidopidae (Family)

Lepidopsetta
 Lepidopsetta Günther, 1880 accepted as Mancopsetta Gill, 1881 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Achiropsettidae (Family)
     Lepidopsetta Gill, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Pleuronectidae (Family)

Lepidopterus
     Lepidopterus Pohlig, 1892 † accepted as Westollia White & Moy-Thomas, 1940 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Aeduelliformes (Order) > Aeduellidae (Family)
 Lepidopterus Agassiz, 1846 accepted as Lepidopterus Agassiz, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Stromateidae (Family)

Lepidopus
 Lepidopus Dana, 1849 accepted as Perissopus Steenstrup & Lütken, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pandaridae (Family)
 Lepidopus Van Dyke, 1936 accepted as Cryptolepidus Van Dyke, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lepidopus Goüan, 1770 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Trichiuridae (Family)
     Lepidopus Cuvier, 1800 accepted as Lepidopus Cuvier, 1800 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Lepidopygia
 Lepidopygia Reichenbach, 1862 accepted as Lemuresthes Wolters, 1949 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeridae (Family)
 Lepidopygia Sclater, 1862 accepted as Lepidopyga Reichenbach, 1855 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)

Lepidorhynchus
     Lepidorhynchus Bleeker, 1879 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Lepidorhynchus Richardson, 1846 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Macrouridae (Family)

Lepidosoma
 Lepidosoma Porta, 1907 accepted as Serrasentis Van Cleave, 1923 · Animalia (Kingdom) > Acanthocephala (Phylum) > Palaeacanthocephala (Class) > Echinorhynchida (Order) > Rhadinorhynchidae (Family)
 Lepidosoma Agassiz, 1846 accepted as Dyslobus Leconte, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Lepidosoma Swainson, 1839 accepted as Trachyrincus Giorna, 1809 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Macrouridae (Family)
     Lepidosoma Wagler, 1830 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gymnophthalmidae (Family)
 Lepidosoma Agassiz, 1846 [2] accepted as Labrisomus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labrisomidae (Family)
 Lepidosoma Gemminger & Harold, 1871 accepted as Dyslobus Leconte, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lepidosomus
 Lepidosomus Agassiz, 1846 accepted as Lepisomus Kirby, 1837 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Bostrichidae (Family)
 Lepidosomus Perroud & Montrouzier, 1864 accepted as Baladaeus Fauvel, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Lepidospongia
 Lepidospongia sensu Dendy, 1924 accepted as Lepidothenea de Laubenfels, 1936 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Phymaraphiniidae (Family)
     Lepidospongia Roemer, 1864 † · Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)

Lepidospora
 Lepidospora Warren, 1906 accepted as Erioptereta Fletcher, 1979 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Lepidospora Escherich, 1905 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Nicoletiidae (Family)

Lepidostemon
 Lepidostemon J.C. Hasskarl, 1844 accepted as Lepistemon Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Convolvulaceae (Family)
     Lepidostemon J.D. Hooker & T. Thomson, 1861 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Lepidostemon Lemaire, 1862 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Scrophulariaceae (Family)

Lepidostoma
     Lepidostoma Bremekamp, 1940 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Lepidostoma Rambur, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Lepidostomatidae (Family)

Lepidotes
 Lepidotes Roon in Schenkling, 1910 accepted as Lepidotes Roon in Schenkling, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lucanidae (Family)
     Lepidotes Agassiz, 1832 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lepisosteiformes (Order) > Lepidotidae (Family)
     Lepidotes Johnston & Tiegs, 1922 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)

Lepidotheca
     Lepidotheca Cairns, 1983 · Animalia (Kingdom) > Cnidaria (Phylum) > Hydrozoa (Class) > Anthoathecata (Order) > Stylasteridae (Family)
 Lepidotheca Nuttall, 1841 accepted as Matricaria Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Lepidothrix
 Lepidothrix Silvestri, 1913 † accepted as Lepidotrix Menge in Berendt, 1854 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Zygentoma (Order) > Lepidotrichidae (Family)
     Lepidothrix Bonaparte, 1854, nom. nud. accepted as Lepidothrix Bonaparte, 1854 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pipridae (Family)
     Lepidothrix Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Pipridae (Family)
     Lepidothrix Agassiz, 1846 accepted as Lepithrix Lepeletier & Serville, 1828 (unjustified emendation)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabeidae (Family)
     Lepidothrix Foissner, 2016 · Chromista (Kingdom) > Ciliophora (Phylum) > Spirotrichea (Class) > Hypotrichida (Order) > Urosomoididae (Family)

Lepidotis
     Lepidotis Séguy, 1935 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Muscidae (Family)
 Lepidotis Palisot de Beauvois ex Mirbel in Lamarck & Mirbel, 1802 accepted as Lycopodium Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Lycopodiopsida (Class) > Lycopodiales (Order) > Lycopodiaceae (Family)

Lepidotomyia
 Lepidotomyia Theobald, 1905 [2] accepted as Aedes Meigen, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)
 Lepidotomyia Theobald, 1905 accepted as Aedes Meigen, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Culicidae (Family)

Lepidotrochus
 Lepidotrochus Belyaev & Mironov, 1980 accepted as Neolepidotrochus Bohn, 2005 · Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Apodida (Order) > Myriotrochidae (Family)
     Lepidotrochus Koken, 1895 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Archaeogastropoda (Order) > Archaeogastropoda (awaiting allocation) (Family)

Lepidotus
 Lepidotus Clements, 1902 accepted as Lepiota (Persoon) S.F. Gray, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
 Lepidotus Stephens, 1830 accepted as Lacon Laporte, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
 Lepidotus Gistel, 1834 accepted as Agriotes Eschscholtz in Thon, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Lepidotus Agassiz, 1833 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Semionotiformes (Order) > Semionotidae (Family)
 Lepidotus Asso, 1801 accepted as Brama Bloch & Schneider, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Bramidae (Family)
 Lepidotus Curtis, 1838 accepted as Prosternon Latreille, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Lepidozonotriletes
 Lepidozonotriletes A.A. Luber ex R. Potonié, 1958 † accepted as · Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)
     Lepidozonotriletes P.A. Hacquebard, 1957 † (uncertain)· Plantae (Kingdom) > Sporae dispersae (Phylum) > (Class) > (Order) > (Family)

Lepidurus
     Lepidurus Leach, 1819 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Notostraca (Order) > Triopsidae (Family)
 Lepidurus Janchen in Janchen & Neumeyer, 1944 accepted as Parapholis Hubbard, 1946 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Lepimacrus
 Lepimacrus Wilson, 1932 accepted as Echthrogaleus Steenstrup & Lütken, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pandaridae (Family)
     Lepimacrus Hesse, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pandaridae (Family)

Lepinema
     Lepinema Rafinesque, 1837 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
     Lepinema L.B. Zhang & L. Zhang in Zhang & Zhang, 2020 accepted as Ellipisorus L.B. Zhang & L. Zhang in Zhang & Zhang, 2020 (junior homonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)

Lepiotella
 Lepiotella J. Rick, 1938 accepted as Volvolepiota Singer, 1959 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)
 Lepiotella (E.J. Gilbert) Konrad, 1934 accepted as Chamaemyces Earle, 1909 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Agaricaceae (Family)

Lepipterus
 Lepipterus Cuvier in Cuvier & Valenciennes, 1830 accepted as Pachyurus Agassiz in Spix & Agassiz, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Sciaenidae (Family)
     Lepipterus Rafinesque, 1815 accepted as Lepipterus Rafinesque, 1815 (nomen dubium)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Stromateidae (Family)

Lepisia
     Lepisia Lepeletier & Serville, 1828 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Lepisia K.B. Presl, 1829 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)

Lepisoma
 Lepisoma DeKay, 1842 accepted as Labrisomus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Labrisomidae (Family)
 Lepisoma Gray, 1845 accepted as Leposoma Spix, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gymnophthalmidae (Family)

Lepista
     Lepista (E.M. Fries) W.G. Smith, 1870 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Clitocybaceae (Family)
     Lepista S. Imai, 1937 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Tricholomataceae (Family)
     Lepista Wallengren, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Lepista Zalessky, 1927 † (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Lepitherium
     Lepitherium Geoffroy, 1839 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Lepitherium Geoffroy, 1833 accepted as Lepitherium Geoffroy, 1833 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)

Lepithrix
 Lepithrix Nietner, 1856 accepted as Loxoncus Schmidt-Goebel, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Lepithrix Lepeletier & Serville, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Lepium
     Lepium Sellards, 1909 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Protorthoptera (Order) > Phenopteridae (Family)
     Lepium Enderlein, 1906 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Psocoptera (awaiting allocation) (Family)

Lepoderma
 Lepoderma Salvini-Plawen, 1992 accepted as Falcidens Salvini-Plawen, 1968 · Animalia (Kingdom) > Mollusca (Phylum) > Aplacophora (Class) > Chaetodermatida (Order) > Chaetodermatidae (Family)
     Lepoderma Looss, 1899 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)

Lepodus
     Lepodus Branson & Mehl, 1933 † (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Annelida (awaiting allocation) (Class) > Annelida (awaiting allocation) (Order) > Annelida (awaiting allocation) (Family)
 Lepodus Rafinesque, 1810 accepted as Brama Bloch & Schneider, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Bramidae (Family)

Leporella
     Leporella A.S. George, 1971 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Leporella Agassiz, 1878 accepted as Lefroyella Thomson, 1878 · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Hexactinosida (Order) > Euretidae (Family)

Leporina
     Leporina Reitter, 1920 accepted as (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Leporina Velenovský, 1947 accepted as Coprotus Korf ex Korf & Kimbrough in Kimbrough & Korf, 1967 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Thelebolales (Order) > Thelebolaceae (Family)

Leposoma
 Leposoma Motschoulsky, 1845 accepted as Dyslobus Leconte, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leposoma Spix, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Gymnophthalmidae (Family)

Leposternon
     Leposternon Wagler in Spix, 1824 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Amphisbaenidae (Family)
     Leposternon Spix & Martius, 1823 accepted as Leposternon Wagler in Spix, 1824 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Amphisbaenidae (Family)

Lepra
 Lepra Scopoli, 1777 accepted as · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Pertusariales (Order) > Pertusariaceae (Family)
     Lepra Chevallier, 1826 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Lepra Willdenow, 1787 accepted as Illosporium C.F.P. Martius, 1817 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Hypocreales (Order) > Hypocreales incertae sedis (Family)

Lepraea
 Lepraea [auctt.] accepted as Leprea Malmgren, 1867 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)
     Lepraea Malmgren, 1865 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Terebellida (Order) > Terebellidae (Family)

Leprocaulinus
     Leprocaulinus Kaszab, 1982 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Leprocaulinus Uvarov, 1940 accepted as Leprocaulinus Uvarov, 1940 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Lonchodidae (Family)

Leprocaulus
     Leprocaulus Redtenbacher in Brunner & Redtenbacher, 1908 accepted as Leprocaulinus Uvarov, 1940 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Lonchodidae (Family)
 Leprocaulus Fairmaire, 1896 accepted as Hexarhopalus Fairmaire, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

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

Lepronota
     Lepronota Chevrolat in Dejean, 1836 accepted as Lepronota Chapuis, 1874 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Lepronota Chapuis, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Leprosoma
 Leprosoma Thomson, 1860 accepted as Lepromoris Pascoe, 1864 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Leprosoma Dejean, 1835 accepted as Leprosoma Thomson, 1860 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Leprosoma Bärensprung, 1859 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Leprotes
 Leprotes Weise, 1923 accepted as Demotina Baly, 1863 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Leprotes Baly, 1863 accepted as Fidia Motschulsky, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Lepsia
 Lepsia Quoy, 1839 accepted as Cerataspis Gray, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Aristeidae (Family)
 Lepsia Hutton, 1883 accepted as Haustrum Perry, 1811 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Muricidae (Family)
 Lepsia Klotzsch, 1854 accepted as Begonia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Cucurbitales (Order) > Begoniaceae (Family)

Lepta
     Lepta Schmitz, 1938 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)
     Lepta Bordoni, 2002 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Lepta Loureiro, 1790 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Sapindales (Order) > Rutaceae (Family)

Leptacanthus
     Leptacanthus Agassiz, 1837 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Leptacanthus C.G.D. Nees in Wallich, 1832 accepted as Strobilanthes Blume, 1826 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Acanthaceae (Family)
     Leptacanthus Agassiz, 1836 † accepted as Leptacanthus Agassiz, 1836 † (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Leptacme
     Leptacme Warren, 1897 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Leptacme Ehrmann, 1927 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Clausiliidae (Family)

Leptaenalosia
     Leptaenalosia King, 1850 † accepted as Strophalosia King, 1844 † (nomen nudum)· Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Productida (Order) > Strophalosiidae (Family)
 Leptaenalosia King in de Verneuil, 1845 † accepted as Leptaenalosia King in de Verneuil, 1845 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)

Leptaenella
 Leptaenella Fredericks, 1918 † accepted as Leptaena Dalman, 1828 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Leptaenidae (Family)
 Leptaenella Sokolskaja in Sarycheva & Sokolskaja, 1952 † accepted as Leptagonia M'Coy in Griffith, 1844 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Leptaenidae (Family)

Leptalea
     Leptalea Erichson, 1839 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Leptalea Looss, 1899 accepted as Emoleptalea Looss, 1900 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Cephalogonimidae (Family)

Leptameira
     Leptameira Lang, 1936 accepted as Leptameira Huys, 2009 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Ameiridae (Family)
     Leptameira Huys, 2009 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Ameiridae (Family)

Leptapion
 Leptapion Ehret, 1990 accepted as Ischnopterapion Bokor, 1923 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
     Leptapion Wagner, 1932 accepted as Ischnopterapion Bokor, 1923 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)

Leptarius
     Leptarius Woodring, 1964 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
 Leptarius Gill, 1863 accepted as Sciades Müller & Troschel, 1849 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ariidae (Family)

Leptarthra
     Leptarthra Lower, 1902 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
     Leptarthra Baly, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Leptarthrophaena
 Leptarthrophaena Blackwelder, 1952 accepted as Gyrophaena Mannerheim, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Leptarthrophaena Scheerpeltz & Höfler, 1948 accepted as Gyrophaena Mannerheim, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leptarthrus
 Leptarthrus Bernhauer, 1903 accepted as Priochirus Sharp, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Leptarthrus Dietz, 1891 accepted as Atractomerus Duponchel & Chevrolat, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leptarthrus Stephens, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)

Leptasida
     Leptasida Reitter, 1917 accepted as Asida Latreille, 1802 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Leptasida Chatanay, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Leptaspis
     Leptaspis Hardy & Williams, 2018 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Diaspididae (Family)
     Leptaspis Fitzinger, 1861 accepted as Leptaspis Fitzinger, 1861 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Elapidae (Family)
     Leptaspis R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Leptaspis Gross, 1933 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Leptaspis Bleeker, 1851 accepted as Selaroides Bleeker, 1851 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Carangidae (Family)

Leptaxis
     Leptaxis Lowe, 1852 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicidae (Family)
 Leptaxis Rafinesque, 1837 accepted as Tolmiea Torrey & A. Gray, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Saxifragales (Order) > Saxifragaceae (Family)
     Leptaxis Reuss, 1868 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Leptechinus
     Leptechinus Gauthier, 1889 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Phymosomatoida (Order) > Phymosomatoida (awaiting allocation) (Family)
 Leptechinus Tornquist, 1897 † accepted as Tornquistellus Berg, 1899 † · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Echinocystitoida (Order) > Echinocystitoida (awaiting allocation) (Family)

Leptella
     Leptella Hall & Clarke, 1892 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Strophomenata (Class) > Strophomenatida (Order) > Taffiidae (Family)
     Leptella Reuter, 1893 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Psocoptera (Order) > Psocoptera (awaiting allocation) (Family)
 Leptella Carus, 1880 accepted as Lepetella Verrill, 1880 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Lepetellidae (Family)

Leptesthes
     Leptesthes Meek, 1871 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneroida (awaiting allocation) (Family)
     Leptesthes Warren, 1894 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Leptia
 Leptia Chevrolat, 1838 accepted as Spectralia Casey, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)
     Leptia Guenée, 1845 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Leptia Dejean, 1833 accepted as Spectralia Casey, 1909 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Buprestidae (Family)

Leptichnus
     Leptichnus Taylor, Wilson & Bromley, 1999 † accepted as Finichnus Taylor, Wilson & Bromley, 2013 † (junior homonym)· Animalia (Kingdom) > Trace fossils (Phylum) > (Class) > (Order) > Podichnidae (Family)
     Leptichnus Simroth, 1896 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Helicarionidae (Family)

Leptidea
 Leptidea Mulsant, 1839 accepted as Nathrius Brèthes, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Leptidea Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)

Leptidia
 Leptidia Butler, 1886 accepted as Leptidea Billberg, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)
 Leptidia Scudder, 1875 accepted as Leptidea Billberg, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)
 Leptidia accepted as Nathrius Brèthes, 1916 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Leptina
 Leptina Pictet, 1855 † accepted as Cardilia Deshayes in Lamarck, 1835 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Cardiliidae (Family)
 Leptina A.C. Batista & E.P. Peres, 1960 accepted as Discosia Libert ex E.M. Fries, 1849 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Amphisphaeriales (Order) > Discosiaceae (Family)
 Leptina Guenée, 1852 accepted as Baileya Grote, 1896 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Nolidae (Family)
     Leptina Meigen, 1830 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Leptinia
 Leptinia Brunner von Wattenwyl & Redtenbacher, 1908 accepted as Leptynia Pantel, 1890 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Phasmatodea (Order) > Phasmatidae (Family)
 Leptinia H.O. Juel, 1897 accepted as Puccinia Persoon, 1794 · Fungi (Kingdom) > Basidiomycota (Phylum) > Pucciniomycetes (Class) > Pucciniales (Order) > Pucciniaceae (Family)

Leptinostethus
     Leptinostethus Borchmann, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Leptinostethus Schimmel & Tarnawski, 2010 accepted as Leptinostethus Schimmel & Tarnawski, 2010 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)

Leptinotarsa
 Leptinotarsa Stal, 1858 accepted as Leptinotarsa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Leptinotarsa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Leptinotarsa Biolley, 1897 accepted as Leptinotarsa Biolley, 1897 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Subulinidae (Family)
 Leptinotarsa Klug, 1850 accepted as Leptinotarsa Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Leptis
 Leptis Fabricius, 1805 accepted as Rhagio Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Rhagionidae (Family)
     Leptis E.H.F. Meyer ex Ecklon & Zeyher, 1836 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Leptobaris
 Leptobaris Champion, 1909 accepted as Leptinobaris Champion, 1909 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leptobaris Gerstaecker, 1855 accepted as Aorus Schönherr, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leptobasis
     Leptobasis Selys, 1877 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Coenagrionidae (Family)
     Leptobasis Hagen, 1868 accepted as Leptobasis Selys, 1877 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Coenagrionidae (Family)
     Leptobasis Dulac, 1867 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
 Leptobasis Elenkin, 1915 accepted as Fortiea De Toni, 1936 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Fortieaceae (Family)

Leptobelus
     Leptobelus Stål, 1866 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Leptobelus Zimmerman, 1994 accepted as Stenobelus Zimmerman in Alonso-Zarazaga & Lyal, 1999 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Belidae (Family)

Leptoblennius
 Leptoblennius Bath, 1978 accepted as Parahypsos Bath, 1982 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Blenniidae (Family)
 Leptoblennius Gill, 1860 accepted as Lumpenus Reinhardt, 1836 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Stichaeidae (Family)

Leptobolus
     Leptobolus Hall, 1872 † · Animalia (Kingdom) > Brachiopoda (Phylum) > Lingulata (Class) > Lingulida (Order) > Obolidae (Family)
 Leptobolus Kirby, 1891 accepted as Leptobolus Kirby, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Leptocalanus
 Leptocalanus Bernard, 1958 accepted as Calocalanus Giesbrecht, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Paracalanidae (Family)
     Leptocalanus Giesbrecht, 1888 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)

Leptocaris
     Leptocaris Scott, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Harpacticoida (Order) > Darcythompsoniidae (Family)
 Leptocaris Aurivillius, 1898 accepted as Mesopodopsis Czerniavsky, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Mysida (Order) > Mysidae (Family)

Leptocarpus
     Leptocarpus Holthuis, 1950 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Palaemonidae (Family)
     Leptocarpus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Restionaceae (Family)

Leptocaulis
 Leptocaulis Nuttall ex A.P. de Candolle, 1829 accepted as Spermolepis Rafinesque, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
     Leptocaulis J.X. Li & R.L. Zhao., 2024 accepted as Leptocaulis J.X. Li & R.L. Zhao., 2024 (junior homonym)· Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Lycoperdaceae (Family)

Leptocephalus
     Leptocephalus Scopoli, 1777 accepted as Conger Bosc, 1817 (unavailable name)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Congridae (Family)
 Leptocephalus Cuvier, 1798 accepted as Leptocephalus Cuvier, 1798 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Congridae (Family)
 Leptocephalus Gmelin, 1789 accepted as Leptocephalus Gmelin, 1789 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Congridae (Family)
 Leptocephalus Basilewsky, 1855 accepted as Chanodichthys Bleeker, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Leptocephalus Gronow, 1763 accepted as · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Congridae (Family)

Leptocera
     Leptocera Kröber, 1928 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Therevidae (Family)
     Leptocera Diakonoff, 1983 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Tortricidae (Family)
 Leptocera Jacubowa, 1906 accepted as Notoplana Laidlaw, 1903 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Polycladida (Order) > Notoplanidae (Family)
     Leptocera Dejean, 1821 accepted as Glaucytes Thomson, 1857 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Leptocera Latreille in Cuvier, 1829 accepted as Glaucytes Thomson, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
     Leptocera Olivier, 1813 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sphaeroceridae (Family)
 Leptocera Motschoulsky, 1859 accepted as Leptocerus Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Leptoceridae (Family)

Leptoceras
 Leptoceras R.D. Fitzgerald, 1891 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
     Leptoceras Uhlig, 1883 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Ammonitida (Order) > Protancyloceratidae (Family)
     Leptoceras (R. Brown) J. Lindley, 1840 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Leptocercus
 Leptocercus Cabanis in Tschudi, 1846 accepted as Euscarthmus Wied, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
 Leptocercus Thomson, 1871 accepted as Leptocercus Thomson, 1871 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Leptocercus Rafinesque, 1819 accepted as Lepturus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)

Leptocereus
     Leptocereus Rafinesque, 1819 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Leptocereus (A. Berger) N.L. Britton & J.N. Rose, 1909 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)

Leptocerus
     Leptocerus Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Leptoceridae (Family)
 Leptocerus Schönherr in Germar, 1824 accepted as Alceis Billberg, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leptocerus Konow, 1907 accepted as Leptocerus Konow, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Leptocerus Müller, 1817 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Latridiidae (Family)

Leptocervus
     Leptocervus Capasso Barbato, 1991 † accepted as Cervus Linnaeus, 1758 (junior subjective synonym)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)
     Leptocervus Capasso Barbato, 1992 † accepted as Cervus Linnaeus, 1758 (junior subjective synonym)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Artiodactyla (Order) > Cervidae (Family)

Leptochaete
 Leptochaete J.H. Léveillé, 1846 accepted as Hymenochaete J.H. Léveillé, 1846 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Hymenochaetales (Order) > Hymenochaetaceae (Family)
 Leptochaete I. Zmitrovich & W. Spirin, 2006 accepted as Atheliachaete W. Spirin & I. Zmitrovich, 2011 · Fungi (Kingdom) > Basidiomycota (Phylum) > Basidiomycota incertae sedis (Class) > Basidiomycota incertae sedis (Order) > Basidiomycota incertae sedis (Family)
 Leptochaete A. Borzì in É. Bornet & C. Flahault, 1886 accepted as Homoeothrix (G. Thuret ex E. Bornet & C. Flahault) O. Kirchner in A. Engler & Prantl, 1898 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Oscillatoriales (Order) > Homoeotrichaceae (Family)

Leptocheilus
 Leptocheilus accepted as Leptochilus Saussure, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
     Leptocheilus Till, 1908 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leptocheirus
     Leptocheirus Zaddach, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Corophiidae (Family)
 Leptocheirus Merriam, 1903 † accepted as Merriamia Boulenger, 1904 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Ichthyosauria (Order) > Shastasauridae (Family)

Leptochela
     Leptochela Stimpson, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Pasiphaeidae (Family)
     Leptochela Boeck, 1876 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Amphipoda (awaiting allocation) (Family)

Leptocheles
     Leptocheles M'Coy, 1849 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Leptocheles M'Coy, 1853 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)

Leptochilus
     Leptochilus Kaulfuss, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Polypodiaceae (Family)
 Leptochilus Loew, 1872 accepted as Epacmus Osten-Sacken, 1887 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Bombyliidae (Family)
     Leptochilus Saussure, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
 Leptochilus Cossmann, 1909 † accepted as Leptochilus Cossmann, 1909 † · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leptochironomus
     Leptochironomus Lenz, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)
     Leptochironomus Pagast, 1931 accepted as Leptochironomus Lenz, 1941 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Chironomidae (Family)

Leptochirus
 Leptochirus Dana, 1849 accepted as Leptocheirus Zaddach, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Corophiidae (Family)
     Leptochirus Troschel, 1844 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
     Leptochirus Germar, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leptochiton
     Leptochiton Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Lepidopleurida (Order) > Leptochitonidae (Family)
     Leptochiton Sealy, 1937 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Amaryllidaceae (Family)

Leptochlamys
     Leptochlamys West, 1901 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Tubulinea (Class) > Arcellinida (Order) > Hyalospheniidae (Family)
     Leptochlamys Diedicke, 1921 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Leptochlamys Kirkaldy, 1907 accepted as Leptolamia Metcalf, 1936 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cixiidae (Family)

Leptochloris
 Leptochloris W. Munro ex C.E.O. Kuntze, 1891 accepted as Trichloris E. Fournier ex Bentham, 1881 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Leptochloris Amyot, 1847 accepted as Leptochloris Amyot, 1847 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Leptochromis
 Leptochromis Regan, 1920 accepted as Reganochromis Whitley, 1929 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Cichlidae (Family)
 Leptochromis Bleeker, 1875 accepted as Pseudochromis Rüppell, 1835 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Pseudochromidae (Family)

Leptocircus
     Leptocircus Swainson, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Papilionidae (Family)
     Leptocircus Attems, 1931 accepted as Apheloria Chamberlin, 1921 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Xystodesmidae (Family)

Leptocladia
 Leptocladia F. Buxbaum, 1951 accepted as Mammillaria A.H. Haworth, 1812 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
     Leptocladia J.G. Agardh, 1892 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Gigartinales (Order) > Dumontiaceae (Family)
 Leptocladia L. Marvanová & E. Descals, 1985 accepted as Stenocladiella L. Marvanová & E. Descals, 1987 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Leptocladus
 Leptocladus D. Oliver, 1864 accepted as Mostuea Didrichsen, 1853 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gelsemiaceae (Family)
 Leptocladus Owen, 1871 † accepted as Peramus Owen, 1871 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Amphitheriida (Order) > Peramuridae (Family)

Leptocleidus
     Leptocleidus Müller, 1936 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Dactylogyridea (Order) > Dactylogyridae (Family)
     Leptocleidus Andrews, 1922 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Plesiosauria (Order) > Rhomaleosauridae (Family)

Leptoclinium
     Leptoclinium (Nuttall) A. Gray, 1879 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leptoclinium G. Gardner ex Bentham & J.D. Hooker, 1873 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Leptoclinium Gervais, 1840 accepted as Leptoclinum Milne Edwards, 1842 · Animalia (Kingdom) > Chordata (Phylum) > Ascidiacea (Class) > Aplousobranchia (Order) > Didemnidae (Family)

Leptocnemis
     Leptocnemis Selys, 1886 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Platycnemididae (Family)
     Leptocnemis Dombrow, 2001 accepted as Phillsoppia Allsopp & Schoolmeesters, 2024 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Leptocnemus
     Leptocnemus Koch, 1839 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
     Leptocnemus Dejean, 1835 accepted as Ischnocnemis Thomson, 1864 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Leptocnemus Hong & Wang, 1990 † accepted as Necromera Martynov, 1926 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerophytidae (Family)

Leptocodon
     Leptocodon (J.D. Hooker) Lemaire, 1856 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)
 Leptocodon Sonder in W.H. Harvey & Sonder, 1865 accepted as Treichelia Vatke, 1874 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Campanulaceae (Family)

Leptocola
     Leptocola Gerstaecker, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Deroplatyidae (Family)
     Leptocola Holloway, 2005 accepted as Coltopela Holloway, 2008 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Leptocoma
     Leptocoma Cabanis, 1851 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Nectariniidae (Family)
     Leptocoma Lessing, 1831 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leptoconus
 Leptoconus Diener, 1921 † accepted as Lepiconus Stoppani, 1857 † · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Scleractinia (awaiting allocation) (Family)
 Leptoconus Swainson, 1840 accepted as Conus Linnaeus, 1758 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Conidae (Family)

Leptocryptus
     Leptocryptus Thomson, 1873 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Leptocryptus Cameron, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Leptoctenista
 Leptoctenista Warren, 1894 accepted as Leptoctenopsis Warren, 1895 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Geometridae (Family)
     Leptoctenista Warren, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pyralidae (Family)

Leptocypris
     Leptocypris Sars, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Cyprididae (Family)
     Leptocypris Boulenger, 1900 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Leptocythere
     Leptocythere Sars, 1925 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Leptocytheridae (Family)
 Leptocythere Müller in Kükenthal & Krumbach, 1927 accepted as Leptocythere Sars, 1925 · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Leptocytheridae (Family)

Leptodactylus
     Leptodactylus Fitzinger, 1826 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Leptodactylidae (Family)
 Leptodactylus Fraser, 1845 accepted as Phegornis Gray, 1847 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriidae (Family)

Leptodemus
     Leptodemus Reuter, 1900 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Lygaeidae (Family)
 Leptodemus Zelinka, 1907 accepted as Kinorhynchus Sheremetevskij, 1974 · Animalia (Kingdom) > Kinorhyncha (Phylum) > Allomalorhagida (Class) > (Order) > Pycnophyidae (Family)

Leptodera
     Leptodera Dujardin, 1845 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Alloionematidae (Family)
 Leptodera Dujardin, 1844 † accepted as Agfa Chitwood, 1935 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Agfidae (Family)
 Leptodera Audinet-Serville, 1838 accepted as Leptoderes Audinet-Serville, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Leptoderes
 Leptoderes Dujardin, 1845 accepted as Leptodera Dujardin, 1845 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Alloionematidae (Family)
 Leptoderes Dujardin, 1844 † accepted as Agfa Chitwood, 1935 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Rhabditida (Order) > Agfidae (Family)
     Leptoderes Audinet-Serville, 1838 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Tettigoniidae (Family)

Leptoderma
     Leptoderma G. Lister, 1913 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Myxomycetes (Class) > (Order) > (Family)
     Leptoderma Vaillant, 1886 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Osmeriformes (Order) > Alepocephalidae (Family)

Leptodermella
     Leptodermella F. von Höhnel, 1915 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Leptodermella Rhumbler, 1935 accepted as Leptodermella Rhumbler, 1935 (taxon inquirendum)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Leptoderops
     Leptoderops Koch, 1934 accepted as Leptoderops Löbl, Bouchard, Merkl & Bousquet in Iwan & Löbl, 2020 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Leptoderops Löbl, Bouchard, Merkl & Bousquet in Iwan & Löbl, 2020 accepted as Thraustocolus Kraatz, 1865 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Leptodes
     Leptodes Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
 Leptodes Swainson, 1838 accepted as Chauliodus Bloch & Schneider, 1801 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Stomiiformes (Order) > Stomiidae (Family)
     Leptodes Solier, 1838 accepted as Leptodes Dejean, 1834 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Leptodesmus
     Leptodesmus Saussure, 1859 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Polydesmida (Order) > Polydesmidae (Family)
     Leptodesmus Zacharias, 1903 (uncertain)· Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Leptodinium
     Leptodinium K.W. Klement, 1960 † · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gonyaulacales (Order) > Gonyaulacaceae (Family)
 Leptodinium J. Cachon & M. Cachon, 1969 accepted as Cachonodinium A.R. Loeblich III, 1980 · Chromista (Kingdom) > Miozoa (Phylum) > Noctiluciphyceae (Class) > Noctilucales (Order) > Leptodiscaceae (Family)

Leptodiscus
 Leptodiscus Tucolesco, 1962 accepted as Tucolesca Lom in Corliss, 1979 · Chromista (Kingdom) > Ciliophora (Phylum) > Ciliophora (awaiting allocation) (Class) > Ciliophora (awaiting allocation) (Order) > Ciliophora (awaiting allocation) (Family)
     Leptodiscus Conil & Pirlet in Pirlet & Conil, 1974 † (uncertain)· Protozoa (Kingdom) > Sarcomastigota (awaiting allocation) (Phylum) > (Class) > (Order) > Sarcomastigota (awaiting allocation) (Family)
 Leptodiscus D. Bukry & M.N. Bramlette, 1969 † accepted as Pedinocyclus D. Bukry & M.N. Bramlette, 1971 † · Chromista (Kingdom) > Haptophyta (Phylum) > Coccolithophyceae (Class) > Coccolithophyceae incertae sedis (Order) > (Family)
     Leptodiscus Hertwig, 1877 · Chromista (Kingdom) > Miozoa (Phylum) > Noctiluciphyceae (Class) > Noctilucales (Order) > Leptodiscaceae (Family)
     Leptodiscus Baal, 1937 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Leptodiscus Gerdemann, 1953 accepted as Mycoleptodiscus S.A. Ostazeski, 1968 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Sordariomycetidae incertae sedis (Order) > Magnaporthaceae (Family)

Leptodomus
     Leptodomus Schönherr in Sturm, 1843 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leptodomus M'Coy in Griffith, 1844 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Trigoniida (Order) > Myophoriidae (Family)

Leptodon
 Leptodon Quélet, 1886 accepted as Steccherinum S.F. Gray, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Meruliaceae (Family)
 Leptodon Gaudry, 1860 † accepted as Pliohyrax Osborn, 1899 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Hyracoidea (Order) > Pliohyracidae (Family)
     Leptodon D.M.H. Mohr, 1803 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Leucodontales (Order) > Leptodontaceae (Family)
     Leptodon Sundevall, 1836 (1835) · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Accipitriformes (Order) > Accipitridae (Family)

Leptodontium
 Leptodontium G.S. de Hoog, 1977 accepted as Leptodontidium G.S. de Hoog, 1979 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Helotiales incertae sedis (Family)
     Leptodontium (Müller Hal.) Hampe ex S.O. Lindberg, 1864 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Bartramiaceae (Family)

Leptodora
 Leptodora Dewitz, 1892 † accepted as Leptodera Dujardin, 1845 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Panagrolaimida (Order) > Alloionematidae (Family)
     Leptodora Lilljeborg, 1861 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Leptodoridae (Family)

Leptodothiorella
 Leptodothiorella F. von Höhnel ex H.A. Van der Aa, 1973 accepted as Leptodothiorella F. von Höhnel, 1918 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Botryosphaeriales (Order) > Botryosphaeriaceae (Family)
     Leptodothiorella F. von Höhnel, 1918 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Botryosphaeriales (Order) > Botryosphaeriaceae (Family)

Leptodrilus
     Leptodrilus Wassell, 1984 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)
     Leptodrilus Benham, 1909 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Oligochaeta (awaiting allocation) (Order) > Oligochaeta (awaiting allocation) (Family)

Leptogaster
     Leptogaster Signoret, 1861 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Leptogaster Bleeker, 1870 accepted as Escualosa Whitley, 1940 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Clupeiformes (Order) > Clupeidae (Family)
     Leptogaster Meigen, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Asilidae (Family)
 Leptogaster Selys, 1860 accepted as Heteragrion Selys, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Megapodagrionidae (Family)

Leptogastrella
     Leptogastrella Rasnitsyn, 1975 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
 Leptogastrella Cobb, 1920 accepted as Paramonohystera Steiner, 1916 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Monhysterida (Order) > Xyalidae (Family)

Leptogiopsis
     Leptogiopsis Nylander, 1884 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Mastodiaceae (Family)
 Leptogiopsis J. Müller Arg., 1882 accepted as Leptogium (Acharius) S.F. Gray, 1821 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Peltigerales (Order) > Collemataceae (Family)
 Leptogiopsis Trevisan, 1880 accepted as Leptogium (Acharius) S.F. Gray, 1821 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Peltigerales (Order) > Collemataceae (Family)

Leptoglanis
     Leptoglanis Boulenger, 1902 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Amphiliidae (Family)
 Leptoglanis Eigenmann, 1912 accepted as Leptorhamdia Eigenmann, 1918 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Heptapteridae (Family)

Leptoglossa
     Leptoglossa Klug, 1839 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Chrysididae (Family)
 Leptoglossa Solsky, 1869 accepted as Leptoglossula Eichelbaum, 1915 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Leptoglossa Friese, 1925 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Apidae (Family)

Leptoglossum
 Leptoglossum (M.C. Cooke) P.A. Saccardo, 1884 accepted as Microglossum Gillet, 1879 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Leotiales (Order) > Leotiaceae (Family)
 Leptoglossum P.A. Karsten, 1879 accepted as Arrhenia E.M. Fries, 1849 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Tricholomataceae (Family)

Leptoglossus
 Leptoglossus Swainson, 1837 accepted as Acanthorhynchus Gould, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Meliphagidae (Family)
     Leptoglossus Guérin, 1831 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Coreidae (Family)

Leptoglottis
     Leptoglottis A.P. de Candolle ex J. Torrey & A. Gray, 1840 accepted as Mimosa Linnaeus, 1753 (junior subjective synonym)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
 Leptoglottis A.P. de Candolle, 1827 accepted as Mimosa Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Leptognathia
     Leptognathia Sars, 1882 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Tanaidacea (Order) > Leptognathiidae (Family)
 Leptognathia Hansen, 1913 accepted as Thorkelius Bird, 2004 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Tanaidacea (Order) > Leptognathiidae (Family)

Leptognathiella
     Leptognathiella Bird & Holdich, 1984 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Tanaidacea (Order) > Colletteidae (Family)
     Leptognathiella Hansen, 1913 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Tanaidacea (Order) > Colletteidae (Family)

Leptognathus
 Leptognathus Hodge, 1860 accepted as Lohmannella Trouessart, 1901 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Halacaridae (Family)
     Leptognathus Westwood, 1841 accepted as Cryptodontes Burmeister, 1847 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Leptognathus Swainson, 1838 accepted as Ophisurus Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Ophichthidae (Family)
     Leptognathus Duméril & Bibron, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Leptognathus Kramer, 1879 accepted as Porolohmannella Viets, 1933 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Halacaridae (Family)

Leptogonys
     Leptogonys Mello-Leitão, 1931 accepted as Sphaerobunus Roewer, 1917 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)
 Leptogonys Mello-Leitão, 1932 accepted as Sphaerobunus Roewer, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Gonyleptidae (Family)

Leptogramma
     Leptogramma Curtis, 1833 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Leptogramma J. Smith, 1841 accepted as Cyclosorus Link, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Thelypteridaceae (Family)

Leptographa
 Leptographa A. Jatta, 1892 accepted as Toninia A. Massalongo, 1852 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Rhizocarpales (Order) > Catillariaceae (Family)
 Leptographa (Th. Fries) M. Choisy, 1950 accepted as Ptychographa Nylander, 1874 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Agyriales (Order) > Agyriaceae (Family)
     Leptographa Hübner, 1823 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Leptograpsus
     Leptograpsus H. Milne Edwards, 1853 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Grapsidae (Family)
 Leptograpsus Ruedemann, 1908 † accepted as Leptograptus Lapworth, 1873 † · Animalia (Kingdom) > Hemichordata (Phylum) > Graptolithina (Class) > Graptoloidea (Order) > Nemagraptidae (Family)

Leptoiulus
     Leptoiulus Verhoeff, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Julida (Order) > Julidae (Family)
     Leptoiulus Verhoeff, 1893 accepted as Leptoiulus Verhoeff, 1894 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Julida (Order) > Julidae (Family)

Leptolepis
     Leptolepis Agassiz, 1832 † · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Leptolepidiformes (Order) > Leptolepididae (Family)
 Leptolepis Guichenot, 1867 accepted as Pampus Bonaparte, 1834 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Stromateidae (Family)
     Leptolepis Geinitz, 1868 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Leptolepis Boeckeler, 1888 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
     Leptolepis Ley, 1917 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Leptolobium
 Leptolobium Bentham, 1837 accepted as Glycine Willdenow, 1802 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Leptolobium J.R. Th. Vogel, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Leptoloma
 Leptoloma Chase, 1906 accepted as Digitaria A. Haller, 1768 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Leptoloma Martens in Albers, 1860 accepted as Dialeuca Albers, 1850 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Cepolidae (Family)

Leptolophus
     Leptolophus Swainson, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
     Leptolophus Remy, 1965 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Perissodactyla (Order) > Pachynolophidae (Family)

Leptomantis
 Leptomantis Giglio-Tos, 1915 accepted as Leptomantella Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Mantodea (Order) > Leptomantellidae (Family)
     Leptomantis Peters, 1867 · Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Anura (Order) > Rhacophoridae (Family)

Leptomastoides
 Leptomastoides Anonymous, 1968 accepted as Leptomastax Pirazzoli, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Leptomastoides Karaman, 1962 accepted as Leptomastax Pirazzoli, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leptomenes
     Leptomenes Giordani Soika, 1939 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)
 Leptomenes Bruce, 2006 accepted as Leptomenaeus Bruce, 2007 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Palaemonidae (Family)

Leptomera
 Leptomera Latreille in Cuvier, 1817 accepted as Phtisica Slabber, 1769 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Caprellidae (Family)
 Leptomera Montrouzier, 1864 accepted as Polytoxus Spinola, 1850 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)

Leptomeres
     Leptomeres Walker in Curtis, 1829-30 accepted as Leptomeres Walker in Curtis, 1829-30 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Leptomeres Rambur, 1842 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Chloroperlidae (Family)

Leptomeria
 Leptomeria Sieber accepted as Amperea A.H.L. Jussieu, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Leptomeria R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Santalales (Order) > Santalaceae (Family)

Leptomeris
 Leptomeris Laporte, 1832 accepted as Anthocoris Fallén, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Anthocoridae (Family)
     Leptomeris Hübner, 1825 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Leptomicrus
 Leptomicrus Jeannel, 1951 accepted as Octomicrellus Jeannel, 1949 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Leptomicrus Fauvel, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leptomimus
     Leptomimus Wollaston, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leptomimus Herczek & Popov, 2010 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)

Leptomitus
     Leptomitus C.A. Agardh, 1824 · Chromista (Kingdom) > Pseudofungi (Phylum) > Oomycetes (Class) > Leptomitales (Order) > Leptomitaceae (Family)
     Leptomitus Walcott, 1886 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Protomonaxonida (Order) > Leptomitidae (Family)

Leptomorpha
     Leptomorpha Faldermann, 1835 accepted as Blaps Fabricius, 1775 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Leptomorpha Chevrolat in Dejean, 1836 accepted as Leptomorpha Germar, 1842 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Leptomorpha Germar, 1842 accepted as Leptispa Baly, 1858 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Leptomus
 Leptomus Rafinesque, 1815 accepted as Leptus Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Erythraeidae (Family)
 Leptomus Casey, 1914 accepted as Omus Eschscholtz, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cicindelidae (Family)

Leptomya
     Leptomya A. Adams, 1864 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Semelidae (Family)
 Leptomya Conrad, 1867 † accepted as Periplomya Conrad, 1870 † · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Semelidae (Family)

Leptomyza
     Leptomyza Stejneger, 1885 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Leptomyza Macquart, 1835 accepted as Anthomyza Fallén, 1810 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anthomyzidae (Family)

Lepton
     Lepton Zetterstedt, 1838 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)
     Lepton Schouteden, 1912 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Reduviidae (Family)
     Lepton Turton, 1822 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Lasaeidae (Family)

Leptonema
 Leptonema W.J. Hooker, 1844 accepted as Draba Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
     Leptonema A.H.L. Jussieu, 1824 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)
 Leptonema Reinke, 1888 accepted as Leptonematella P.C. Silva, 1959 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Ectocarpales (Order) > Chordariaceae (Family)
     Leptonema Hovind-Hougen, 1983 · Bacteria (Kingdom) > Spirochaetae (Phylum) > Spirochaetes (Class) > Leptospirales (Order) > Leptospiraceae (Family)
 Leptonema L. Rabenhorst, 1857 accepted as · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Cyanophyceae (awaiting allocation) (Order) > Cyanophyceae (awaiting allocation) (Family)
     Leptonema J. Smith Dalry, 1896 † · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)
     Leptonema Guérin-Meneville, 1844 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Trichoptera (Order) > Hydropsychidae (Family)
 Leptonema Jairajpuri, 1964 accepted as Dorylaimoides Thorne & Swanger, 1936 · Animalia (Kingdom) > Nematoda (Phylum) > Dorylaimea (Class) > Dorylaimida (Order) > Mydonomidae (Family)
     Leptonema Ijima, 1927 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
     Leptonema Lendenfeld, 1915 accepted as Cyliconemaoida Dohrmann, 2017 (junior homonym)· Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Amphidiscosida (Order) > Hyalonematidae (Family)

Leptoneta
     Leptoneta Simon, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Leptonetidae (Family)
     Leptoneta Sinitshenkova in Sinichenkova, 1989 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Ephemeroptera (Order) > Leptophlebiidae (Family)

Leptoneura
 Leptoneura Brongniart, 1885 † accepted as Ischnoneura Brongniart, 1893 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Cnemidolestodea (Order) > Ischnoneuridae (Family)
     Leptoneura Wallengren, 1857 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Leptonia
 Leptonia (E.M. Fries) P. Kummer, 1871 accepted as Entoloma (E.M. Fries ex Rabenhorst) Kummer, 1871 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Entolomataceae (Family)
     Leptonia Sharp, 1883 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Leptonia Singh, Tewari & Gupta, 1979 † (uncertain)· Plantae (Kingdom) > Acritarcha (Phylum) > (Class) > (Order) > (Family)

Leptonix
 Leptonix Lesson, 1842 accepted as Aonyx Lesson, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
 Leptonix Swainson, 1833 accepted as Leptonix Swainson, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Leptonotus
 Leptonotus Motschoulsky, 1870 accepted as Parapropus Ganglbauer, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)
     Leptonotus Kaup, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Syngnathiformes (Order) > Syngnathidae (Family)

Leptonyx
 Leptonyx Hitchcock, 1865 † accepted as Stenonyx Lull, 1904 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Saurischia (Order) > Anchisauripodidae (Family)
 Leptonyx Swainson, 1837 accepted as Coryphaspiza Gray, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Fringillidae (Family)
     Leptonyx Swainson, 1833 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Leptonyx Jacobson, 1895 accepted as Theone Gistel, 1857 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
 Leptonyx Gray, 1837 accepted as Leptonychotes Gill, 1872 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Phocidae (Family)
 Leptonyx Lesson, 1842 accepted as Aonyx Lesson, 1827 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Carnivora (Order) > Mustelidae (Family)
     Leptonyx Carpenter, 1864 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Turbinidae (Family)

Leptoparius
     Leptoparius Peters, 1864 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)
 Leptoparius Bernhauer, 1917 accepted as Rolla Blackwelder, 1952 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leptopeltina
 Leptopeltina Spegazzini, 1924 accepted as Stomiopeltis F. Theissen, 1914 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetidae incertae sedis (Order) > Micropeltidaceae (Family)
 Leptopeltina Petrak, 1947 accepted as Leptopeltis F. von Höhnel, 1917 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Leptopeltidaceae (Family)

Leptopeza
 Leptopeza G.H. Otth, 1871 accepted as Plicaria Fuckel, 1870 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pezizaceae (Family)
     Leptopeza Macquart, 1827 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Hybotidae (Family)

Leptophallus
 Leptophallus Coiffait, 1956 accepted as Leptophius Coiffait, 1983 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
     Leptophallus Lühe in Brauer, 1909 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Dicrocoeliidae (Family)

Leptophara
     Leptophara Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Leptophara Stål, 1869 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Issidae (Family)

Leptopharynx
 Leptopharynx Rydberg, 1914 accepted as Perityle Bentham, 1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leptopharynx Mermod, 1914 · Chromista (Kingdom) > Ciliophora (Phylum) > Nassophorea (Class) > Nassulida (Order) > Leptopharyngidae (Family)

Leptophidium
     Leptophidium Hallowell, 1860 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Colubridae (Family)
 Leptophidium Gill, 1863 accepted as Lepophidium Gill, 1895 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Ophidiidae (Family)

Leptophora
     Leptophora Six, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Phoridae (Family)
     Leptophora Rafinesque, 1819 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leptophragma
 Leptophragma Bentham ex Dunal in Alph. de Candolle, 1852 accepted as Calibrachoa Cervantes in La Llave & Lexarza, 1825 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Solanaceae (Family)
     Leptophragma Zittel, 1878 † · Animalia (Kingdom) > Porifera (Phylum) > Hexactinellida (Class) > Dictyida (Order) > Leptophragmatidae (Family)

Leptophycus
 Leptophycus J.H. Johnson, 1940 † accepted as Cyanoleptophycus E.A. Molinari-Novoa & M.D. Guiry, 2021 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > (Order) > (Family)
 Leptophycus K.B. Korde, 1954 † accepted as Palaeoleptophycus K.B. Korde, 1958 † · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Rivulariaceae (Family)
     Leptophycus A. Fritsch, 1908 † · Plantae (Kingdom) > Algae incertae sedis (Phylum) > (Class) > (Order) > (Family)

Leptophyllum
     Leptophyllum Cohn, 1902 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
 Leptophyllum Klemm, 1883 accepted as Leptophyllum Klemm, 1883 · Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
 Leptophyllum Verhoeff, 1895 accepted as Enantiulus Attems, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Julida (Order) > Julidae (Family)

Leptophyllus
 Leptophyllus J. Cachon & M. Cachon-Enjumet, 1964 accepted as Abedinium A.R. Loeblich Jr. & A.R. Loeblich III, 1966 · Chromista (Kingdom) > Miozoa (Phylum) > Noctiluciphyceae (Class) > Noctilucales (Order) > Leptodiscaceae (Family)
 Leptophyllus Hope, 1842 accepted as Oxynopterus Hope, 1842 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Elateridae (Family)
     Leptophyllus Quenstedt, 1876 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)

Leptoplax
     Leptoplax Dall, 1882 · Animalia (Kingdom) > Mollusca (Phylum) > Polyplacophora (Class) > Acanthochitonida (Order) > Acanthochitonidae (Family)
 Leptoplax O.E. Schulz, 1933 accepted as Peltaria N.J. Jacquin, 1762 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)

Leptopleuron
 Leptopleuron C. Presl accepted as Nephrolepis Schott, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Polypodiales (Order) > Nephrolepidaceae (Family)
     Leptopleuron Owen, 1851 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Procolophonomorpha (Order) > Procolophonidae (Family)

Leptopodia
     Leptopodia Leach, 1815 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Leptopodia Boudier, 1885 accepted as Helvella Linnaeus, 1753 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Helvellaceae (Family)
 Leptopodia Leach, 1814 accepted as Inachus Weber, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Majidae (Family)

Leptopodus
 Leptopodus Goldfuss, 1820 accepted as Grammonus Gill, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Bythitidae (Family)
     Leptopodus Schinz in Cuvier, 1822 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Leptopodus Chaudoir, 1875 accepted as Pseudoceneus Tschitscherin, 1891 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Leptopogon
 Leptopogon G.E. Roberty, 1960 accepted as Andropogon Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Leptopogon Cabanis, 1844 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
     Leptopogon A. Borzì, 1907 · Bacteria (Kingdom) > Cyanobacteria (Phylum) > Cyanophyceae (Class) > Nostocales (Order) > Hapalosiphonaceae (Family)

Leptopora
     Leptopora d'Orbigny, 1849 † · Animalia (Kingdom) > Bryozoa (Phylum) > Stenolaemata (Class) > Cyclostomatida (Order) > Cyclostomatida (awaiting allocation) (Family)
     Leptopora Winchell, 1863 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Leptopora Rafinesque, 1808 accepted as Poria Persoon, 1794 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Polyporales (Order) > Polyporaceae (Family)

Leptoprion
     Leptoprion Myannil & Zaslavskaya, 1985 † · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta incertae sedis (Family)
     Leptoprion Krekich-Strassoldo, 1914 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Anthicidae (Family)

Leptops
     Leptops Schönherr, 1833, nom. nud. accepted as Leptopius Oke, 1951 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leptops Rafinesque, 1820 accepted as Pylodictis Rafinesque, 1819 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Siluriformes (Order) > Ictaluridae (Family)
 Leptops Schönherr, 1833 accepted as Leptopius Oke, 1951 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leptops Heinrich, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Ichneumonidae (Family)

Leptopsalis
     Leptopsalis Trouessart, 1888 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Halacaridae (Family)
 Leptopsalis Thorell, 1882 accepted as Stylocellus Westwood, 1874 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Opiliones (Order) > Stylocellidae (Family)

Leptoptera
     Leptoptera Boisduval in Lucas, 1842 accepted as Leptoptera Boisduval in Lucas, 1842 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Leptoptera Scudder, 1875 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Leptopteris
     Leptopteris K.B. Presl, 1845 · Plantae (Kingdom) > Tracheophyta (Phylum) > Polypodiopsida (Class) > Osmundales (Order) > Osmundaceae (Family)
 Leptopteris Blume, 1850-1851 accepted as Gelsemium A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Loganiaceae (Family)
     Leptopteris Brongniart, 1829 † accepted as (unavailable name)· Plantae (Kingdom) > Tracheophyta (Phylum) > Pteridophyta/Pteridospermophyta (unclassified foliage) (Class) > Pteridophyta/Pteridospermophyta (awaiting allocation) (Order) > Pteridophytes/Pteridosperms (awaiting allocation) (Family)

Leptopterix
 Leptopterix Boie, 1822 accepted as Leptopterix Boie, 1822 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Oriolidae (Family)
     Leptopterix Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Psychidae (Family)

Leptopterus
     Leptopterus Bonaparte, 1854 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Corvidae (Family)
     Leptopterus Puton, 1875 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Leptopterygius
     Leptopterygius von Huene, 1922 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Ichthyosauria (Order) > Ichthyosauria (awaiting allocation) (Family)
 Leptopterygius Troschel, 1860 accepted as Gouania Nardo, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiesociformes (Order) > Gobiesocidae (Family)

Leptopteryx
     Leptopteryx Horsfield, 1821 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Oriolidae (Family)
     Leptopteryx Zetterstedt, 1837 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Leptopteryx Agassiz, 1846 accepted as Leptopterix Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Psychidae (Family)

Leptoptila
 Leptoptila Gloger, 1842 accepted as Leptoptilos Lesson, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Ciconiidae (Family)
 Leptoptila Bonaparte, 1837 accepted as Leptotila Swainson, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Columbiformes (Order) > Columbidae (Family)

Leptoptilum
     Leptoptilum Öpik, 1930 (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Leptoptilum Kölliker, 1880 accepted as Funiculina Lamarck, 1816 (junior subjective synonym)· Animalia (Kingdom) > Cnidaria (Phylum) > Octocorallia (Class) > Scleralcyonacea (Order) > Funiculinidae (Family)

Leptopus
     Leptopus Haliday, 1832 accepted as Xanthochlorus Loew, 1857 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)
 Leptopus Fraser, 1845 accepted as Phegornis Gray, 1847 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriidae (Family)
 Leptopus Lamarck, 1818 accepted as Phalangipus Latreille, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Majidae (Family)
     Leptopus Latreille, 1809 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Leptopodidae (Family)
     Leptopus Fallén, 1823 accepted as Sciapus Zeller, 1842 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Dolichopodidae (Family)
     Leptopus Hartig, 1837 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Tenthredinidae (Family)
     Leptopus Dejean, 1833 accepted as Elaphocera Géné, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Leptopus Rafinesque, 1814 accepted as Lophotus Giorna, 1809 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Lampriformes (Order) > Lophotidae (Family)
     Leptopus Decaisne in Jacquemont, 1843-1844 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Phyllanthaceae (Family)
 Leptopus Klotzsch & Garcke in Klotzsch, 1859 accepted as Euphorbia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Leptopus Mayer, 1835 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Amphibia (Class) > Amphibia (awaiting allocation) (Order) > Amphibia (awaiting allocation) (Family)

Leptorchestes
     Leptorchestes Thorell, 1870 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Salticidae (Family)
 Leptorchestes Canestrini & Berlese, 1885 accepted as Zetorchestes Berlese, 1888 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Oribatida (Order) > Zetorchestidae (Family)

Leptorhaphis
     Leptorhaphis Körber, 1855 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Naetrocymbaceae (Family)
 Leptorhaphis Regan, 1913 accepted as Poeciliopsis Regan, 1913 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cyprinodontiformes (Order) > Poeciliidae (Family)

Leptorhina
 Leptorhina Stephens, 1829 accepted as Helius Lepeletier & Serville, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)
     Leptorhina Stephens, 1829, nom. nud. accepted as Helius Lepeletier & Serville, 1828 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)

Leptorhynchos
     Leptorhynchos Longrich, Barnes, Clark & Millar, 2013 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Saurischia (Order) > Caenagnathidae (Family)
     Leptorhynchos Lessing, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leptorhynchus
 Leptorhynchus Du Bus, 1835 accepted as Cladorhynchus Gray, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Charadriiformes (Order) > Charadriidae (Family)
     Leptorhynchus Ménétriés, 1835 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Rhinocryptidae (Family)
 Leptorhynchus Swainson, 1837 accepted as Enicognathus Gray, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
 Leptorhynchus Herrick, 1884 † accepted as Rhynchotalona Norman, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Chydoridae (Family)
 Leptorhynchus Guérin-Méneville, 1838 accepted as Ithystenus Pascoe, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Leptorhynchus Lowe, 1852 accepted as Nemichthys Richardson, 1848 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Nemichthyidae (Family)
 Leptorhynchus Smith, 1840 accepted as Ophisurus Lacepède, 1800 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Anguilliformes (Order) > Ophichthidae (Family)
 Leptorhynchus Clift, 1828 † accepted as Gavialis Oppel, 1811 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Crocodylia (Order) > Gavialidae (Family)
 Leptorhynchus Boisduval, 1835 accepted as Ithystenus Pascoe, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)

Leptoria
     Leptoria Milne Edwards & Haime, 1848 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Merulinidae (Family)
 Leptoria Stephens, 1835 accepted as Leptosia Hübner, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)

Leptorima
     Leptorima Rafinesque, 1810 accepted as Leptorima Rafinesque, 1810 (nomen dubium)· Plantae (Kingdom) > Algae (awaiting allocation) (Phylum) > Algae (awaiting allocation) (Class) > Algae (awaiting allocation) (Order) > Algae (awaiting allocation) (Family)
     Leptorima Perner in Barrande, 1907 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > (Order) > Murchisoniidae (Family)

Leptornis
     Leptornis Reichenbach, 1850 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Meliphagidae (Family)
     Leptornis Pucheran, 1853 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Meliphagidae (Family)
     Leptornis Billberg, 1820 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)

Leptorrhynchus
 Leptorrhynchus Gemminger & Harold, 1872 accepted as Ithystenus Pascoe, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)
 Leptorrhynchus Bergroth, 1905 † accepted as Rhynchotalona Norman, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Branchiopoda (Class) > Diplostraca (Order) > Chydoridae (Family)

Leptorynchus
 Leptorynchus Lesson, 1837 accepted as Leptorynchus Lesson, 1837 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Passeriformes (awaiting allocation) (Family)
 Leptorynchus Swainson, 1837 accepted as Enicognathus Gray, 1840 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Psittaciformes (Order) > Psittacidae (Family)
     Leptorynchus Falconer & Cautley, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Reptilia (awaiting allocation) (Order) > Reptilia (awaiting allocation) (Family)
 Leptorynchus Boisduval, 1835 accepted as Ithystenus Pascoe, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Brentidae (Family)

Leptoscapha
     Leptoscapha Fairmaire, 1886 accepted as Brachypophlaeus Fairmaire, 1897 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Leptoscapha P. Fischer, 1883 † · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Volutidae (Family)

Leptoscapus
     Leptoscapus Chevrolat, 1878 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leptoscapus Faust, 1886 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Leptoscelis
     Leptoscelis Dejean, 1835 accepted as Anisopodus White, 1855 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Leptoscelis Agassiz, 1846 accepted as Leptosceles Haliday, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Empididae (Family)
     Leptoscelis Laporte, 1832 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Leptoscelis Des Murs, 1847 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Leptoscelis Erichson, 1847 accepted as Leptoscelis Dejean, 1835 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Leptoschoenus
     Leptoschoenus C.G.D. Nees, 1840 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)
 Leptoschoenus Gemminger & Harold, 1871 accepted as Leptoschoinus Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leptoschoenus Agassiz, 1846 accepted as Leptoschoinus Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leptoschoinella
     Leptoschoinella Hustache, 1951 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leptoschoinella Hustache, 1938 accepted as Leptoschoinella Hustache, 1951 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leptoschoinus
     Leptoschoinus Dejean, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leptoschoinus Schoenherr, 1833 accepted as Leptoschoinus Dejean, 1835 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leptoscyphus
     Leptoscyphus Mitten, 1851 · Plantae (Kingdom) > Marchantiophyta (Phylum) > Jungermanniopsida (Class) > Jungermanniales (Order) > Lophocoleaceae (Family)
     Leptoscyphus Allman, 1864 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Leptoseris
     Leptoseris Milne Edwards & Haime, 1849 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Agariciidae (Family)
 Leptoseris Nuttall, 1841 accepted as Malacothrix A.P. de Candolle, 1838 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leptosia
     Leptosia Guenée, 1841 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Leptosia Topsent, 1892 accepted as Hymedesmia Bowerbank, 1864 · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Poecilosclerida (Order) > Hymedesmiidae (Family)
     Leptosia Hübner, 1818 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Pieridae (Family)

Leptosiagon
     Leptosiagon Owen, 1873 accepted as Macropus Shaw, 1790 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Diprotodontia (Order) > Macropodidae (Family)
 Leptosiagon Owen, 1874 accepted as Macropus Shaw, 1790 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Diprotodontia (Order) > Macropodidae (Family)
     Leptosiagon Trask, 1856 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Polychaeta (awaiting allocation) (Order) > Polychaeta (awaiting allocation) (Family)

Leptosiphon
     Leptosiphon Fischer, 1872 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Leptosiphon Bentham, 1833 accepted as Linanthus Bentham, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Polemoniaceae (Family)

Leptosoma
 Leptosoma Westwood, 1838 accepted as Lixus Fabricius, 1801 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leptosoma Risso, 1826 accepted as Stenosoma Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Idoteidae (Family)
 Leptosoma Travassos, 1920 accepted as Physaloptera Rudolphi, 1819 · Animalia (Kingdom) > Nematoda (Phylum) > Chromadorea (Class) > Spirurida (Order) > Physalopteridae (Family)
     Leptosoma Stafford, 1904 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Leptosoma Desmarest, 1823 accepted as Leptosoma Desmarest, 1823 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Leptosoma Desmarest, 1825 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
 Leptosoma Bonaparte, 1850 accepted as Leptosomus Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Leptosomidae (Family)
 Leptosoma Boisduval in d'Urville, 1832 accepted as Nyctemera Hübner, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Leptosoma Nardo, 1827 accepted as Pleuronectes Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Pleuronectidae (Family)
 Leptosoma Fitzinger, 1843 accepted as Lerista Bell, 1833 · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Squamata (Order) > Scincidae (Family)

Leptosomus
 Leptosomus Agassiz, 1846 accepted as Somileptus Swainson, 1839 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cobitidae (Family)
     Leptosomus Von der Marck, 1863 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
 Leptosomus Gistl, 1848 accepted as Pleuronectes Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Pleuronectiformes (Order) > Pleuronectidae (Family)
     Leptosomus D.F.L. Schlechtendal, 1862 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Commelinales (Order) > Pontederiaceae (Family)
     Leptosomus Vieillot, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Coraciiformes (Order) > Leptosomidae (Family)
 Leptosomus Schönherr, 1823 accepted as Rhadinosomus Schönherr, 1840 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leptosphaerella
     Leptosphaerella Spegazzini, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Leptosphaerella (P.A. Saccardo) Hara, 1913 accepted as Phaeosphaeria I. Miyake, 1909 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Phaeosphaeriaceae (Family)
     Leptosphaerella Haeckel, 1887 (uncertain)· Chromista (Kingdom) > Retaria (Phylum) > Polycystinea (Class) > Polycystinea (awaiting allocation) (Order) > Radiolaria (awaiting allocation) (Family)

Leptosphaerites
     Leptosphaerites Richon, 1885 † · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)
 Leptosphaerites J. Felix, 1894 † accepted as · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Xylariales incertae sedis (Family)

Leptospira
     Leptospira Noguchi, 1917 (Approved Lists, 1980) · Bacteria (Kingdom) > Spirochaetae (Phylum) > Spirochaetes (Class) > Leptospirales (Order) > Leptospiraceae (Family)
     Leptospira Boucot, Johnson & Staton, 1964 † accepted as Rhyncholeptospira[ Ceccolini & Cianferoni, 2022 † (junior homonym)· Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Spiriferida (Order) > Rhynchospirinidae (Family)
     Leptospira Swainson, 1840 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leptospora
     Leptospora Rafinesque, 1808 · Fungi (Kingdom) > Fungi (awaiting allocation) (Phylum) > (Class) > (Order) > (Family)
     Leptospora Rabenhorst, 1857 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Dothideomycetes incertae sedis (Order) > Dothideomycetes incertae sedis (Family)

Leptosporium
 Leptosporium (P.A. Saccardo) Höhnel in Falck, 1923 accepted as Fusicolla Bonorden, 1851 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
 Leptosporium Bonorden, 1857 accepted as Vibrissea E.M. Fries, 1822 · Fungi (Kingdom) > Ascomycota (Phylum) > Leotiomycetes (Class) > Helotiales (Order) > Vibrisseaceae (Family)

Leptostigma
     Leptostigma Archibald & Rasnitsyn, 2023 † · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Cimbicidae (Family)
     Leptostigma Arnott, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Leptostoma
     Leptostoma Rafinesque, 1818 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) > Pisces (awaiting allocation) (Family)
     Leptostoma Whitman, 1886 (uncertain)· Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Hirudinoidea (awaiting allocation) (Order) > Hirudinoidea (awaiting allocation) (Family)
     Leptostoma Swainson, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Leptostyla
     Leptostyla Lioy, 1864 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
 Leptostyla Stål, 1873 accepted as Leptopharsa Stål, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Tingidae (Family)

Leptostylis
     Leptostylis G.O. Sars, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Cumacea (Order) > Diastylidae (Family)
     Leptostylis Bentham in Bentham & J.D. Hooker, 1876 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Sapotaceae (Family)

Leptostyloides
     Leptostyloides Jones, 1969 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Cumacea (Order) > Diastylidae (Family)
     Leptostyloides Gilmour, 1963 accepted as Amniscus Dejean, 1835 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Leptostylus
 Leptostylus Fischel, 1927 accepted as Leptofischelia Strand, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Theraphosidae (Family)
     Leptostylus Leconte, 1852 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)
 Leptostylus Faust, 1892 accepted as Litostylus Faust, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leptotabanus
     Leptotabanus Kröber, 1931 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Leptotabanus Lutz, 1914 accepted as Leptotabanus Lutz, 1914 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)

Leptotaenia
     Leptotaenia Cohn, 1901 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Cyclophyllidea (Order) > Progynotaeniidae (Family)
 Leptotaenia Nuttall in Torrey & A. Gray, 1840 accepted as Lomatium Rafinesque, 1819 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Leptotes
     Leptotes Scudder, 1876 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lycaenidae (Family)
     Leptotes J. Lindley, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Leptoteuthis
 Leptoteuthis Verrill, 1884 accepted as Chiroteuthis d'Orbigny [in Férussac & d'Orbigny], 1841 · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Chiroteuthidae (Family)
     Leptoteuthis d'Orbigny, 1845 † · Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Teuthoidea (Order) > Teuthoidea (awaiting allocation) (Family)

Leptotheca
 Leptotheca Fauvel, 1904 accepted as Leptobia Fauvel, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Ptinidae (Family)
     Leptotheca Schwägrichen, 1824 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Rhizogoniales (Order) > Orthodontiaceae (Family)
 Leptotheca Thélohan, 1895 accepted as Ceratomyxa Thélohan, 1892 · Animalia (Kingdom) > Cnidaria (Phylum) > Myxosporea (Class) > Bivalvulida (Order) > Ceratomyxidae (Family)

Leptothrix
     Leptothrix Menge, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Linyphiidae (Family)
     Leptothrix Heylaerts, 1892 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Leptothrix (Dumortier) Dumortier, 1868 accepted as Hordelymus (Jessen) Harz, 1885 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Leptothrix Kützing, 1843 (Approved Lists, 1980) · Bacteria (Kingdom) > Proteobacteria (Phylum) > Betaproteobacteria (Class) > Burkholderiales (Order) > Burkholderiales incertae sedis (Family)
 Leptothrix Heikertinger & Csiki, 1940 accepted as Orthaltica Crotch, 1873 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Leptothyra
     Leptothyra sensu Pease, 1869 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Colloniidae (Family)
 Leptothyra J. G. Cooper, 1867 accepted as Homalopoma Carpenter, 1864 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Trochida (Order) > Colloniidae (Family)

Leptothyrella
     Leptothyrella Muir-Wood, 1965 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Platidiidae (Family)
     Leptothyrella P.A. Saccardo, 1885 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)

Leptothyris
 Leptothyris Muir-Wood, 1959 accepted as Leptothyrella Muir-Wood, 1965 · Animalia (Kingdom) > Brachiopoda (Phylum) > Rhynchonellata (Class) > Terebratulida (Order) > Platidiidae (Family)
     Leptothyris Conrad in Kerr, 1875 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leptotipula
     Leptotipula Alexander, 1917 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tipulidae (Family)
     Leptotipula Bode, 1953 † (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Limoniidae (Family)

Leptotomus
 Leptotomus Matthew, 1910 † accepted as Tapomys Wood, 1962 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Rodentia (Order) > Ischyromyidae (Family)
 Leptotomus Gahan, 1894 accepted as Macracanthus Chaudoir, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Leptotrachelus
 Leptotrachelus Brian, 1903 accepted as Areotrachelus Wilson, 1924 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Lernaeidae (Family)
     Leptotrachelus Latreille, 1829 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)
     Leptotrachelus Von der Marck, 1863 † accepted as Benthesikyme White & Moy-Thomas, 1940 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Aulopiformes (Order) > Dercetidae (Family)
     Leptotrachelus Watson, 1921 † accepted as Gorgonops Owen, 1876 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Therapsida (Order) > Gorgonopidae (Family)

Leptotrema
 Leptotrema Montagne & R.B. van den Bosch in Miquel, 1855-1857(?) accepted as Ocellularia G.F.W. Meyer, 1825 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Leptotrema van Achterberg, 1988 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Braconidae (Family)

Leptotrichum
     Leptotrichum Corda, 1842 · Fungi (Kingdom) > Ascomycota (Phylum) > Ascomycota incertae sedis (Class) > Ascomycota incertae sedis (Order) > Ascomycota incertae sedis (Family)
     Leptotrichum Müller Hal., 1847 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Dicranales (Order) > Dicranaceae (Family)

Leptotrichus
 Leptotrichus Clark, 1860 accepted as Brachyscelis Germar, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Leptotrichus Budde-Lund, 1885 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Isopoda (Order) > Porcellionidae (Family)

Leptoxis
     Leptoxis Haldeman in Chenu, 1846 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Leptoxis Rafinesque, 1819 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Sorbeoconcha (Order) > Pleuroceridae (Family)

Lepturidea
     Lepturidea Fauvel, 1905 accepted as Lepturidea Fauvel, 1862 (unavailable name)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)
     Lepturidea Fauvel, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Tenebrionidae (Family)

Lepturopsis
 Lepturopsis Steudel, 1854 accepted as Olyra Linnaeus, 1759 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
     Lepturopsis Linsley & Chemsak, 1976 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Lepturus
 Lepturus Swainson, 1837 accepted as Euscarthmus Wied, 1831 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
     Lepturus Brisson, 1760 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Lepturus Leuckart, 1848 accepted as Lepturus Leuckart, 1848 · Animalia (Kingdom) > Nematoda (Phylum) > Nematoda (awaiting allocation) (Class) > Nematoda (awaiting allocation) (Order) > Nematoda (awaiting allocation) (Family)
     Lepturus Gouan, 1770 accepted as Lepturus Gouan, 1770 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Trichiuridae (Family)
 Lepturus Reichenbach, 1853 accepted as Phaethon Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Phaethontiformes (Order) > Phaethontidae (Family)
 Lepturus Möhring, 1758 accepted as Phaethon Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Phaethontiformes (Order) > Phaethontidae (Family)
 Lepturus Gronow in Gray, 1854 accepted as Coryphaenoides Gunnerus, 1765 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gadiformes (Order) > Macrouridae (Family)
     Lepturus R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Lepturus Gill, 1861 accepted as Trichiurus Linnaeus, 1758 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Trichiuridae (Family)

Leptus
     Leptus Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Erythraeidae (Family)
 Leptus Thomson, 1863 accepted as Cryptolestes Ganglbauer, 1899 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cucujidae (Family)
 Leptus Duftschmid, 1825 accepted as Silvanus Latreille, 1804 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Silvanidae (Family)

Lepyroniella
     Lepyroniella Schmidt, 1924 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cercopidae (Family)
     Lepyroniella Melichar, 1913 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Cercopidae (Family)

Leratia
 Leratia Patouillard, 1907 accepted as Leratiomyces Bresinsky & Binder, 1998 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)
     Leratia V.F. Brotherus & Paris in V.F. Brotherus, 1909 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Orthotrichales (Order) > Orthotrichaceae (Family)

Leratiomyces
 Leratiomyces Bresinsky & Binder, 1998 accepted as Leratiomyces Bresinsky & M. Binder, 1998 ex P.D. Bridge, B.M. Spooner, R.E. Beever & D.C. Park, 2008 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)
     Leratiomyces Bresinsky & M. Binder, 1998 ex P.D. Bridge, B.M. Spooner, R.E. Beever & D.C. Park, 2008 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Strophariaceae (Family)

Leria
     Leria Robineau-Desvoidy, 1830 accepted as Heleomyza Fallén, 1810 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Heleomyzidae (Family)
 Leria A.P. de Candolle, 1812 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leria Adanson, 1763 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Lerina
     Lerina Walker, 1854 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
     Lerina Bolivar, 1902 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)

Lerius
 Lerius Gistl, 1848 accepted as Stenorrhynchus Dejean, 1821 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Lerius Gistl, 1848 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Passalidae (Family)

Lernaeenicus
     Lernaeenicus Le Sueur, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pennellidae (Family)
 Lernaeenicus Wilson, 1932 accepted as Lernaeenicus Le Sueur, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pennellidae (Family)

Lernaeocera
 Lernaeocera Nordmann, 1832 accepted as Lernaeocera Nordmann, 1832 · Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Lernaeocera Blainville, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pennellidae (Family)

Lernaeomyzon
 Lernaeomyzon Nordmann, 1832 accepted as Collocheres Canu, 1893 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Asterocheridae (Family)
 Lernaeomyzon Blainville, 1822 accepted as Lernentoma Blainville, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Cyclopoida (Order) > Chondracanthidae (Family)

Lernaeonema
 Lernaeonema H. Milne Edwards, 1840 accepted as Lernaeenicus Le Sueur, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pennellidae (Family)
 Lernaeonema Agassiz, 1846 accepted as Lernaeenicus Le Sueur, 1824 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pennellidae (Family)

Lernaeopenna
 Lernaeopenna Nordmann, 1832 accepted as Pennella Oken, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pennellidae (Family)
 Lernaeopenna Blainville, 1822 accepted as Pennella Oken, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Pennellidae (Family)

Lerouxia
 Lerouxia E.P. Plumstead, 1961 † accepted as Paravojnovskya A.B. Doweld, 2004 † · Plantae (Kingdom) > Tracheophyta (Phylum) > Pinopsida (Class) > Vojnovskyales (Order) > Vojnovskyaceae (Family)
 Lerouxia Mérat, 1812 accepted as Lysimachia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Primulaceae (Family)
     Lerouxia Moret, 1926 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Theonellidae (Family)

Leroya
 Leroya Grandidier, 1887 accepted as Lanistes Montfort, 1810 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Architaenioglossa (Order) > Ampullariidae (Family)
 Leroya A. Cavaco, 1970 accepted as Pyrostria Commerson ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)
     Leroya Lewis & Dippenaar-Schoeman, 2014 accepted as Ansistaria Sherwood, 2022 (junior homonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Thomisidae (Family)

Leroyia
 Leroyia Bourguignat, 1887 accepted as Leroyia Bourguignat, 1887 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
 Leroyia A. Cavaco, 1970 accepted as Pyrostria Commerson ex A.L. Jussieu, 1789 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Lesbia
     Lesbia Lesson, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Apodiformes (Order) > Trochilidae (Family)
 Lesbia Rafinesque, 1815 accepted as Lebia Latreille, 1802 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Carabidae (Family)

Leschenaultia
 Leschenaultia Alcock, 1909 accepted as Spiralothelphusa Bott, 1968 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Gecarcinucidae (Family)
 Leschenaultia R. Brown, 1810 accepted as Lechenaultia R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Goodeniaceae (Family)
     Leschenaultia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Lesia
     Lesia J.L. Clark & J.F. Smith, 2013 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Gesneriaceae (Family)
 Lesia Kriesche, 1923 accepted as Pascoea White, 1855 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Cerambycidae (Family)

Leskia
 Leskia Gray, 1851 accepted as Palaeostoma Wright, 1868 · Animalia (Kingdom) > Echinodermata (Phylum) > Echinoidea (Class) > Spatangoida (Order) > Palaeostomatidae (Family)
     Leskia Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)

Lesleya
     Lesleya Lesquereux, 1880 † (uncertain)· Plantae (Kingdom) > Plantae (awaiting allocation) (Phylum) > Plantae (awaiting allocation) (Class) > Plantae (awaiting allocation) (Order) > Plantae (awaiting allocation) (Family)
     Lesleya Bate, 1978 † · Animalia (Kingdom) > Arthropoda (Phylum) > Ostracoda (Class) > Podocopida (Order) > Podocopida (awaiting allocation) (Family)

Lesquerella
 Lesquerella S. Watson, 1888 accepted as Physaria (Nuttall) A. Gray, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Brassicales (Order) > Brassicaceae (Family)
     Lesquerella Chardez & Thomas, 1980 · Chromista (Kingdom) > Cercozoa (Phylum) > Thecofilosea (Class) > Tectofilosida (Order) > Psammonobiotidae (Family)

Lesquereusia
     Lesquereusia Schlumberger, 1845 · Protozoa (Kingdom) > Amoebozoa (Phylum) > Tubulinea (Class) > Arcellinida (Order) > Lesquereusiidae (Family)
 Lesquereusia Agassiz, 1846 accepted as Lesquereusia Agassiz, 1846 · Protozoa (Kingdom) > (Phylum) > Protozoa (awaiting allocation) (Class) > (Order) > (Family)

Lessertia
     Lessertia Smith, 1908 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Linyphiidae (Family)
     Lessertia A.P. de Candolle, 1802 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Lessiniella
     Lessiniella Vörös, 1993 † (uncertain)· Animalia (Kingdom) > Brachiopoda (Phylum) > Brachiopoda (awaiting allocation) (Class) > Brachiopoda (awaiting allocation) (Order) > Brachiopoda (awaiting allocation) (Family)
     Lessiniella Pavan, 1941 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Leiodidae (Family)

Lessonia
     Lessonia Bory de Saint-Vincent, 1825 · Chromista (Kingdom) > Ochrophyta (Phylum) > Phaeophyceae (Class) > Laminariales (Order) > Lessoniaceae (Family)
     Lessonia Swainson in Richardson, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Passeriformes (Order) > Tyrannidae (Family)
     Lessonia Eydoux & Souleyet, 1852 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Lessonia Labbé, 1934 accepted as Lessonina Starobogatov, 1976 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Systellommatophora (Order) > Onchidiidae (Family)

Lestes
 Lestes Gistl, 1848 accepted as Lachesana Strand, 1932 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Zodariidae (Family)
 Lestes Krøyer, 1845 accepted as Sphyrion Cuvier, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Siphonostomatoida (Order) > Sphyriidae (Family)
     Lestes Leach, 1815 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Lestidae (Family)
     Lestes Yan & Tang, 1976 † accepted as Yantanglestes Ideker & Yan, 1980 † (junior homonym)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mesonychia (Order) > Mesonychidae (Family)

Lestevina
 Lestevina Bordoni, 1973 † accepted as Lesteva Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Lestevina Anonymous, 1978 accepted as Lesteva Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)
 Lestevina Bordoni, 1999 accepted as Lesteva Latreille, 1796 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Lesueurella
 Lesueurella Fowler, 1908 accepted as Lesueurina Fowler, 1908 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Leptoscopidae (Family)
 Lesueurella Cossmann, 1915 † accepted as Lesueurilla Koken, 1898 † · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca incertae sedis (Class) > Gastropoda/Monoplacophora incertae sedis (Order) > Lesueurillidae (Family)

Lesueuria
     Lesueuria Woelkerling & Ducker, 1987 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Corallinales (Order) > Mastophoraceae (Family)
     Lesueuria Milne Edwards, 1841 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Lobata (Order) > Bolinopsidae (Family)
 Lesueuria Duncker, 1928 accepted as Lesueurigobius Whitley, 1950 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Gobiiformes (Order) > Gobiidae (Family)

Letaba
     Letaba Dyar, 1912 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
     Letaba Hesse, 1947 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)

Letepsammia
     Letepsammia Yabe & Eguchi, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Micrabaciidae (Family)
     Letepsammia Yabe & Sugiyama, 1932 · Animalia (Kingdom) > Cnidaria (Phylum) > Hexacorallia (Class) > Scleractinia (Order) > Micrabaciidae (Family)

Lethia
 Lethia Menge, 1869 accepted as Lathys Simon, 1884 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Dictynidae (Family)
     Lethia Hübner, 1819 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Lethia P. Ravenna, 1986 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Iridaceae (Family)

Lethonymus
 Lethonymus Marseul, 1857 accepted as Anogcodes Dejean, 1834 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Oedemeridae (Family)
     Lethonymus Schmidt, 1846 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Coleoptera (awaiting allocation) (Family)

Lethotremus
     Lethotremus Gilbert, 1896 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Cyclopteridae (Family)
     Lethotremus Jordan & Starks, 1895 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Scorpaeniformes (Order) > Cyclopteridae (Family)

Lethus
     Lethus Rehn, 1934 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Episactidae (Family)
     Lethus Say, 1837 accepted as Zethus Fabricius, 1805 (misspelling - incorrect subsequent spelling)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Vespidae (Family)

Letitia
     Letitia Schintlmeister, 1997 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Notodontidae (Family)
     Letitia Iredale, 1941 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Stylommatophora (Order) > Camaenidae (Family)

Leto
 Leto R.A. Philippi, 1891 accepted as Helogyne Nuttall, 1841 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leto Hübner, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hepialidae (Family)

Lettsomia
 Lettsomia Roxburgh, 1824 accepted as Argyreia Loureiro, 1790 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Solanales (Order) > Convolvulaceae (Family)
 Lettsomia Ruiz & Pavon, 1794 accepted as Freziera Willdenow, 1799 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Theaceae (Family)

Leucadendron
     Leucadendron R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Leucadendron Linnaeus, 1753 accepted as Protea Linnaeus, 1771 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)
 Leucadendron O. Kuntze, 1891 accepted as Leucospermum R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Proteales (Order) > Proteaceae (Family)

Leucadenia
     Leucadenia Schlechter, 1919 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Leucadenia J.F. Klotzsch ex H.E. Baillon, 1864 accepted as Croton Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)

Leucalia
     Leucalia Haeckel, 1870 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
     Leucalia Grant, 1830 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)

Leucandra
 Leucandra Klotzsch, 1841 accepted as Tragia Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Euphorbiaceae (Family)
     Leucandra Haeckel, 1872 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Sycettida (Order) > Grantiidae (Family)

Leucania
     Leucania Ochsenheimer, 1816 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Leucania Lendenfeld, 1885 accepted as Leuconia Grant, 1833 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Sycettida (Order) > Grantiidae (Family)

Leucanthemum
 Leucanthemum J. Burman ex O. Kuntze, 1891 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leucanthemum P. Miller, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leucaria
     Leucaria Haeckel, 1870 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)
     Leucaria Mulsant, 1876 accepted as Leucaria Mulsant, 1876 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Leucas
     Leucas Brandt, 1873 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)
     Leucas R. Brown, 1810 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Leucaspis
     Leucaspis Targioni-Tozzetti, 1869 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Diaspididae (Family)
 Leucaspis Burmeister, 1835 accepted as Leucospis Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Leucospidae (Family)

Leucaster
     Leucaster Gauthier, 1888 (uncertain)· Animalia (Kingdom) > Echinodermata (Phylum) > Echinodermata (awaiting allocation) (Class) > Echinodermata (awaiting allocation) (Order) > Echinodermata (awaiting allocation) (Family)
 Leucaster Koehler, 1912 accepted as Cuenotaster Thiéry in Koehler, 1920 · Animalia (Kingdom) > Echinodermata (Phylum) > Asteroidea (Class) > Spinulosida (Order) > Solasteridae (Family)
     Leucaster J.D. Choisy in Alph. de Candolle, 1849 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Nyctaginaceae (Family)

Leuce
     Leuce Chambers, 1875 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)
 Leuce Opiz, 1852 accepted as Leuce Opiz, 1852 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Salicaceae (Family)

Leucippe
 Leucippe Agassiz, 1845 accepted as Leucippe Agassiz, 1845 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Majidae (Family)
     Leucippe Pomel, 1852 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Mammalia (awaiting allocation) (Order) > Mammalia (awaiting allocation) (Family)

Leuciscus
     Leuciscus Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Leuciscus Walbaum, 1792 accepted as Leuciscus Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)
 Leuciscus Klein, 1775 accepted as Leuciscus Cuvier, 1816 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Leuckartia
 Leuckartia Claus, 1863 accepted as Lucicutia Giesbrecht, 1898 · Animalia (Kingdom) > Arthropoda (Phylum) > Maxillopoda (Class) > Calanoida (Order) > Lucicutiidae (Family)
 Leuckartia Moniez, 1879 accepted as Eubothrium Nybelin, 1922 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Cestoda (Class) > Bothriocephalidea (Order) > Triaenophoridae (Family)
     Leuckartia Agassiz, 1862 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)

Leucocephalus
 Leucocephalus Amyot, 1846 accepted as Leucocephalus Amyot, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
     Leucocephalus Day, Smith, Benoit, Fernandez & Rubidge, 2018 † · Animalia (Kingdom) > Chordata (Phylum) > Reptilia (Class) > Theriodontia (Order) > Burnetiidae (Family)

Leucocera
 Leucocera Chevrolat, 1843 accepted as Leucocera Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)
     Leucocera Turczaninow, 1848 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Calyceraceae (Family)
     Leucocera Chevrolat in Dejean, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Chrysomelidae (Family)

Leucochilus
     Leucochilus Kraatz, 1897 accepted as Discopeltis Burmeister, 1842 (junior subjective synonym)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Leucochilus Böttger in Martens, 1880 accepted as Leucochilus Böttger in Martens, 1880 · Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leucochlamys
 Leucochlamys Zugmayer, 1911 accepted as Sciadonus Garman, 1899 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Ophidiiformes (Order) > Aphyonidae (Family)
 Leucochlamys E.F. Poeppig ex Engler, 1879 accepted as Spathiphyllum H.W. Schott in H.W. Schott & Endlicher, 1832 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Alismatales (Order) > Araceae (Family)

Leucochloridiomorpha
     Leucochloridiomorpha Allison, 1943 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Strigeidida (Order) > Leucochloridiomorphidae (Family)
     Leucochloridiomorpha Gower, 1938 accepted as Leucochloridiomorpha Allison, 1943 (nomen nudum)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Strigeidida (Order) > Leucochloridiomorphidae (Family)

Leucocoma
     Leucocoma (E.L. Greene) Nieuwland, 1914 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ranunculales (Order) > Ranunculaceae (Family)
 Leucocoma Ehrhart ex Rydberg, 1917 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Cyperaceae (Family)

Leucocortinarius
     Leucocortinarius J.E. Lange, 1935 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Cortinariaceae (Family)
     Leucocortinarius (J.E. Lange) Singer, 1945 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Tricholomataceae (Family)

Leucocraspedum
     Leucocraspedum Rydberg, 1917 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Gentianaceae (Family)
     Leucocraspedum Kraatz, 1859 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leucocytozoon
 Leucocytozoon Danilewsky, 1889 accepted as Leucocytozoon Sambon, 1908 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Haemosporida (Order) > Leucocytozoidae (Family)
     Leucocytozoon Sambon, 1908 · Chromista (Kingdom) > Miozoa (Phylum) > Coccidiomorphea (Class) > Haemosporida (Order) > Leucocytozoidae (Family)

Leucodesmia
     Leucodesmia Warren, 1899 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Leucodesmia Howard, 1895 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Leucodictyon
 Leucodictyon Dalzell, 1850 accepted as Galactia P. Browne, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)
     Leucodictyon Grell, 1991 · Chromista (Kingdom) > Cercozoa (Phylum) > Granofilosea (Class) > Leucodictyida (Order) > Leucodictyidae (Family)

Leucodon
 Leucodon Fatio, 1869 accepted as Crocidura Wagler, 1832 · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Soricomorpha (Order) > Soricidae (Family)
     Leucodon Schwägrichen, 1816 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Isobryales (Order) > Leucodontaceae (Family)

Leucodora
 Leucodora Claparède, 1863 accepted as Polydora Bosc, 1802 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Spionida (Order) > Spionidae (Family)
     Leucodora Mulsant, 1876 accepted as Leucodora Mulsant, 1876 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)

Leucoglossum
     Leucoglossum S. Imai, 1942 · Fungi (Kingdom) > Ascomycota (Phylum) > Geoglossomycetes (Class) > Geoglossales (Order) > Geoglossaceae (Family)
 Leucoglossum B.H. Wilcox, K. Bremer & C.J. Humphries in K. Bremer & C.J. Humphries, 1993 accepted as Mauranthemum R. Vogt & C. Oberprieler, 1995 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leucogonia
     Leucogonia Hampson, 1910 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)
 Leucogonia Meyrick, 1929 accepted as Leucogoniella Fletcher, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Gelechiidae (Family)

Leucogramma
 Leucogramma G.F.W. Meyer, 1825 accepted as Graphina J. Müller Arg., 1880 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
 Leucogramma A. Massalongo, 1860 accepted as Graphina J. Müller Arg., 1880 · Fungi (Kingdom) > Ascomycota (Phylum) > Lecanoromycetes (Class) > Ostropales (Order) > Graphidaceae (Family)
     Leucogramma Hampson, 1926 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Noctuidae (Family)

Leucoiulus
     Leucoiulus Verhoeff, 1893 accepted as Leucoiulus Verhoeff, 1893 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Diplopoda (awaiting allocation) (Order) > (Family)
     Leucoiulus Verhoeff, 1894 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Diplopoda (Class) > Diplopoda (awaiting allocation) (Order) > (Family)

Leucolaena
     Leucolaena Ridley accepted as Leucolena Ridley, 1891 (misspelling - incorrect subsequent spelling)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Leucolaena (A.P. de Candolle) Bentham in Endlicher et al., 1837 accepted as Xanthosia Rudge, 1811 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Leucolepis
     Leucolepis Reichenbach, 1850 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Leucolepis Karsch, 1893 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
     Leucolepis S.O. Lindberg, 1868 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Bryales (Order) > Mniaceae (Family)

Leucoloma
 Leucoloma Fuckel, 1870 accepted as Octospora J. Hedwig, 1789 · Fungi (Kingdom) > Ascomycota (Phylum) > Pezizomycetes (Class) > Pezizales (Order) > Pyronemataceae (Family)
     Leucoloma S.E. Bridel, 1827 · Plantae (Kingdom) > Bryophyta (Phylum) > Bryopsida (Class) > Dicranales (Order) > Dicranaceae (Family)

Leucolophus
 Leucolophus Chevrolat, 1846 accepted as Psuchocephalus Latreille, 1828 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leucolophus Bremekamp, 1940 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Gentianales (Order) > Rubiaceae (Family)

Leucoma
     Leucoma Hübner, 1822 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Erebidae (Family)
 Leucoma Mörch, 1861 accepted as Leucoma Mörch, 1861 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)

Leucomyia
     Leucomyia Brauer & Bergenstamm, 1891 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Diptera (awaiting allocation) (Family)
     Leucomyia Theobald, 1907 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Sarcophagidae (Family)

Leucon
     Leucon Uljanin, 1870 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Turbellaria (Class) > Rhabdocoela (Order) > Polycystididae (Family)
 Leucon Schönherr, 1834 accepted as Graptus Schönherr, 1823 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
     Leucon Krøyer, 1846 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Cumacea (Order) > Leuconidae (Family)
     Leucon Haeckel, 1872 (uncertain)· Animalia (Kingdom) > Porifera (Phylum) > Porifera (awaiting allocation) (Class) > Porifera (awaiting allocation) (Order) > Porifera (awaiting allocation) (Family)

Leuconia
 Leuconia Gray, 1840 accepted as Auriculinella Tausch, 1886 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ellobiida (Order) > Ellobiidae (Family)
     Leuconia Gray, 1847 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ellobiida (Order) > Ellobiidae (Family)
     Leuconia Grant, 1833 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Baerida (Order) > Baeriidae (Family)

Leuconopsis
     Leuconopsis Walker, 1896 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Crustacea (awaiting allocation) (Class) > Crustacea (awaiting allocation) (Order) > Crustacea (awaiting allocation) (Family)
     Leuconopsis Hutton, 1883 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ellobiida (Order) > Ellobiidae (Family)

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

Leucopepla
     Leucopepla Kirkaldy, 1907 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Hemiptera (awaiting allocation) (Family)
 Leucopepla Peile, 1926 accepted as Auriculinella Tausch, 1886 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Ellobiida (Order) > Ellobiidae (Family)

Leucophaea
 Leucophaea Kirby, 1904 accepted as Pycnoscelus Scudder, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)
 Leucophaea Brunner von Wattenwyl, 1865 accepted as Pycnoscelus Scudder, 1862 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Blattodea (Order) > Blaberidae (Family)

Leucophaeus
     Leucophaeus Bonaparte, 1853 accepted as Leucophaeus Bruch, 1853 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)
     Leucophaeus Bruch, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Ciconiiformes (Order) > Laridae (Family)

Leucopholis
 Leucopholis Blanchard, 1845 accepted as Leucopholis Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Leucopholis Chevrolat, 1841 accepted as Leucopholis Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
 Leucopholis G. Gardner, 1843 accepted as Chionolaena A.P. de Candolle, 1836 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leucopholis Dejean, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Leucophora
     Leucophora Robineau-Desvoidy, 1830 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Anthomyiidae (Family)
 Leucophora Goldfuss, 1820 accepted as Leucophora Goldfuss, 1820 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Suctorida (Order) > Suctorida (awaiting allocation) (Family)

Leucophorus
     Leucophorus Brenske, 1892 accepted as Leucophorus Brenske, 1894 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)
     Leucophorus Brenske, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Scarabaeidae (Family)

Leucophrys
     Leucophrys Swainson, 1837 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
     Leucophrys Rendle, 1899 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Poales (Order) > Poaceae (Family)
 Leucophrys Ehrenberg, 1830 accepted as Leucophra Müller, 1780 · Chromista (Kingdom) > Ciliophora (Phylum) > Phyllopharyngea (Class) > Suctorida (Order) > Suctorida (awaiting allocation) (Family)

Leucopsis
     Leucopsis Berthold in Latreille, 1827 (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Leucopsis Dummeril, 1823 accepted as Leucospis Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Leucospidae (Family)
 Leucopsis Turton in Linnaeus, 1802 accepted as Leucospis Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Leucospidae (Family)
     Leucopsis (A.P. de Candolle) J.G. Baker in C.F.P. Martius, 1882 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
 Leucopsis Lendenfeld, 1885 accepted as Guancha Miklucho-Maclay, 1868 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Clathrinida (Order) > Clathrinidae (Family)
 Leucopsis C. Greuet, 1968 accepted as Greuetodinium A.R. Loeblich III, 1980 · Chromista (Kingdom) > Miozoa (Phylum) > Dinophyceae (Class) > Gymnodiniales (Order) > Warnowiaceae (Family)

Leucoptera
     Leucoptera Hübner, 1825 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lyonetiidae (Family)
     Leucoptera B. Nordenstam, 1976 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leucopterum
     Leucopterum Reuter, 1884 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hemiptera (Order) > Miridae (Family)
     Leucopterum Small, 1933 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Fabales (Order) > Fabaceae (Family)

Leucopteryx
     Leucopteryx Packard, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Saturniidae (Family)
     Leucopteryx Fraser, 1933 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Odonata (Order) > Odonata (awaiting allocation) (Family)

Leucopus
 Leucopus P. Kummer, 1871 accepted as Cortinarius (Persoon) S.F. Gray, 1821 · Fungi (Kingdom) > Basidiomycota (Phylum) > Agaricomycetes (Class) > Agaricales (Order) > Cortinariaceae (Family)
 Leucopus Billberg, 1820 accepted as Leucospis Fabricius, 1775 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Leucospidae (Family)
 Leucopus Bertolini, 1872 accepted as Ischnopoda Stephens, 1835 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Staphylinidae (Family)

Leucorchis
 Leucorchis Blume, 1849 accepted as Didymoplexis W. Griffith, 1843 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)
 Leucorchis E.H.F. Meyer, 1839 accepted as Pseudorchis Séguier, 1754 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asparagales (Order) > Orchidaceae (Family)

Leucos
 Leucos Blasius, 1862 accepted as Leucos Blasius, 1862 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Leucos Heckel in Russegger, 1843 accepted as Rutilus Rafinesque, 1820 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Leucosia
     Leucosia Weber, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Leucosiidae (Family)
 Leucosia Leach, 1817 accepted as Leucosia Weber, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Leucosiidae (Family)
 Leucosia Fabricius, 1798 accepted as Leucosia Weber, 1795 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Decapoda (Order) > Leucosiidae (Family)
 Leucosia Rambur, 1866 accepted as Leucosia Rambur, 1866 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Lepidoptera (awaiting allocation) (Family)
 Leucosia Dybowski, 1875 accepted as Leucosia Dybowski, 1875 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Littorinimorpha (Order) > Hydrobiidae (Family)
     Leucosia L.M.A.A. Du Petit-Thouars, 1806 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malpighiales (Order) > Dichapetalaceae (Family)

Leucosmia
     Leucosmia Robertson, 1903 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Megachilidae (Family)
 Leucosmia Bentham, 1843 accepted as Phaleria W. Jack, 1822 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Malvales (Order) > Thymelaeaceae (Family)

Leucosolenia
     Leucosolenia Bowerbank in McAndrew, 1861 accepted as Leucosolenia Bowerbank, 1864 (nomen nudum)· Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Leucosolenida (Order) > Leucosoleniidae (Family)
     Leucosolenia Bowerbank, 1864 · Animalia (Kingdom) > Porifera (Phylum) > Calcarea (Class) > Leucosolenida (Order) > Leucosoleniidae (Family)

Leucosomus
 Leucosomus Motschoulsky, 1860 accepted as Leucophyes Marshall, 1946 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)
 Leucosomus Heckel in Russegger, 1843 accepted as Notemigonus Rafinesque, 1819 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Leucosphaera
     Leucosphaera J. D. Taylor & Glover, 2005 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Lucinidae (Family)
 Leucosphaera H. Raabe, 1940 accepted as · Plantae (Kingdom) > Chlorophyta (Phylum) > Chlorophyta (awaiting allocation) (Class) > Chlorophyta (awaiting allocation) (Order) > Chlorophyta (awaiting allocation) (Family)
 Leucosphaera J.A. von Arx, K.G. Mukerji & N. Singh, 1978 accepted as Leucosphaerina J.A. von Arx, 1987 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Hypocreales (Order) > Bionectriaceae (Family)
     Leucosphaera Gilg in Engler & Prantl, 1897 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Amaranthaceae (Family)

Leucostele
 Leucostele Backeberg, 1953 accepted as Echinopsis Zuccarini, 1837 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Cactaceae (Family)
     Leucostele Thiele, 1927 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leucostemma
 Leucostemma Bentham ex G. Don, 1831 accepted as · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Caryophyllales (Order) > Caryophyllaceae (Family)
     Leucostemma D. Don, 1826 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)

Leucostoma
     Leucostoma Swainson, 1840 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Leucostoma Meigen, 1803 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tachinidae (Family)
     Leucostoma (Nitschke) F. von Höhnel, 1917 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Diaporthales (Order) > Valsaceae (Family)

Leucostrophus
     Leucostrophus Rothschild & Jordan, 1903 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Sphingidae (Family)
 Leucostrophus Flach, 1907 accepted as Strophosoma Billberg, 1820 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Curculionidae (Family)

Leucothea
 Leucothea Jukes-Browne, 1913 accepted as Aphrodora Jukes-Browne, 1914 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Veneridae (Family)
     Leucothea Mertens, 1833 · Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Lobata (Order) > Leucotheidae (Family)
     Leucothea Rafinesque, 1815 accepted as Leucothea Rafinesque, 1815 (nomen nudum)· Animalia (Kingdom) > Ctenophora (Phylum) > Tentaculata (Class) > Lobata (Order) > Leucotheidae (Family)

Leucothoe
     Leucothoe Leach, 1814 · Animalia (Kingdom) > Arthropoda (Phylum) > Malacostraca (Class) > Amphipoda (Order) > Leucothoidae (Family)
     Leucothoe D. Don, 1834 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Ericales (Order) > Ericaceae (Family)

Leucothrix
     Leucothrix A.S. Örsted, 1844 (Approved Lists, 1980) · Bacteria (Kingdom) > Proteobacteria (Phylum) > Gammaproteobacteria (Class) > Thiotrichales (Order) > Thiotrichaceae (Family)
     Leucothrix Munro, 1929 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Tephritidae (Family)
 Leucothrix Olivier, 1911 accepted as Lucidota Laporte, 1833 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Coleoptera (Order) > Lampyridae (Family)

Leucotreron
     Leucotreron Bonaparte, 1854, nom. nud. accepted as Ptilinopus Swainson, 1825 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Columbiformes (Order) > Columbidae (Family)
 Leucotreron Bonaparte, 1854 accepted as Ptilinopus Swainson, 1825 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Columbiformes (Order) > Columbidae (Family)

Leucozona
     Leucozona Schiner, 1860 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Diptera (Order) > Syrphidae (Family)
 Leucozona Bellardi, 1886 accepted as Leucozonia Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neogastropoda (Order) > Fasciolariidae (Family)

Leucozonella
     Leucozonella Schileyko, 1978 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)
     Leucozonella Lindholm, 1927 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)

Leuctra
     Leuctra Stephens, 1836 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Leuctridae (Family)
     Leuctra Stephens, 1833 accepted as Leuctra Stephens, 1836 (nomen nudum)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Plecoptera (Order) > Leuctridae (Family)

Leucus
 Leucus Gray, 1844 accepted as Leucus Gray, 1844 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Aves (awaiting allocation) (Order) > Aves (awaiting allocation) (Family)
 Leucus Agassiz, 1846 accepted as Gila Baird & Girard, 1853 · Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Cypriniformes (Order) > Cyprinidae (Family)

Leurocerus
 Leurocerus Bruner, 1911 accepted as Leurohippus Uvarov, 1940 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Orthoptera (Order) > Acrididae (Family)
     Leurocerus Crawford, 1911 (uncertain)· Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Hymenoptera (Order) > Hymenoptera (awaiting allocation) (Family)

Levanderia
     Levanderia Sturany, 1905 · Animalia (Kingdom) > Mollusca (Phylum) > Bivalvia (Class) > Venerida (Order) > Galeommatidae (Family)
     Levanderia Likharev & Viktor, 1980 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Gastropoda (awaiting allocation) (Order) > Gastropoda (awaiting allocation) (Family)

Leveillea
 Leveillea E.M. Fries, 1849 accepted as Phylacia J.H. Léveillé, 1845 · Fungi (Kingdom) > Ascomycota (Phylum) > Sordariomycetes (Class) > Xylariales (Order) > Xylariaceae (Family)
 Leveillea Vaniot, 1903 accepted as Blumea A.P. de Candolle, 1833 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Asterales (Order) > Asteraceae (Family)
     Leveillea Decaisne, 1839 · Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)

Leveillia
     Leveillia W.H. Harvey, 1849 (uncertain)· Plantae (Kingdom) > Rhodophyta (Phylum) > Florideophyceae (Class) > Ceramiales (Order) > Rhodomelaceae (Family)
     Leveillia Newton, 1891 † (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Archaeogastropoda (Order) > Archaeogastropoda (awaiting allocation) (Family)

Levenia
     Levenia Gray, 1847 · Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Neotaenioglossa (Order) > Neotaenioglossa (awaiting allocation) (Family)
     Levenia Ueno, 1991 † (uncertain)· Chromista (Kingdom) > Retaria (Phylum) > Foraminifera (awaiting allocation) (Class) > (Order) > (Family)

Leviathan
 Leviathan Koch, 1841 † accepted as Mammut Blumenbach, 1799 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Proboscidea (Order) > Mammutidae (Family)
 Leviathan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † accepted as Livyatan Lambert, Bianucci, Post, de Muizon, Salas-Gismondi, Urbina & Reumer, 2010 † · Animalia (Kingdom) > Chordata (Phylum) > Mammalia (Class) > Cetacea (Order) > Physeteroidea (awaiting allocation) (Family)

Levina
 Levina Zapfe, 1963 accepted as Lycinus Thorell, 1894 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Araneae (Order) > Pycnothelidae (Family)
     Levina Evans, 1955 · Animalia (Kingdom) > Arthropoda (Phylum) > Insecta (Class) > Lepidoptera (Order) > Hesperiidae (Family)
     Levina Adanson, 1763 (uncertain)· Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Lamiales (Order) > Lamiaceae (Family)

Levinea
     Levinea Young et al., 1971 (Approved Lists, 1980) · Bacteria (Kingdom) > Proteobacteria (Phylum) > Gammaproteobacteria (Class) > Enterobacterales (Order) > Enterobacteriaceae (Family)
     Levinea Kori, 1985 · Chromista (Kingdom) > Miozoa (Phylum) > Gregarinomorphea (Class) > Arthrogregarida (Order) > Actinocephalidae (Family)

Levinsenella
 Levinsenella Pratt, 1902 accepted as Levinseniella Stiles & Hassall in Ward, 1901 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Microphallidae (Family)
     Levinsenella Harmer, 1926 · Animalia (Kingdom) > Bryozoa (Phylum) > Gymnolaemata (Class) > Cheilostomatida (Order) > Farciminariidae (Family)

Levinsenia
     Levinsenia Mesnil, 1897 · Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Cirratulida (Order) > Paraonidae (Family)
     Levinsenia Hadži, 1917 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
     Levinsenia Bale, 1915 (uncertain)· Animalia (Kingdom) > Cnidaria (Phylum) > Cnidaria (awaiting allocation) (Class) > Cnidaria (awaiting allocation) (Order) > Cnidaria (awaiting allocation) (Family)
 Levinsenia Stossich, 1899 accepted as Spelotrema Jägerskiöld, 1900 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Microphallidae (Family)
 Levinsenia Vasiliev, 1939 accepted as Beringobdella Caballero, 1974 · Animalia (Kingdom) > Annelida (Phylum) > Clitellata (Class) > Rhynchobdellida (Order) > Piscicolidae (Family)

Levinseniella
     Levinseniella Deblock & Pearson, 1971 (uncertain)· Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Trematoda (awaiting allocation) (Order) > Trematoda (awaiting allocation) (Family)
     Levinseniella Stiles & Hassall in Ward, 1901 · Animalia (Kingdom) > Platyhelminthes (Phylum) > Trematoda (Class) > Plagiorchiida (Order) > Microphallidae (Family)

Levisticum
     Levisticum Hill, 1756 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)
 Levisticum Hill, 1756, nom. rej. accepted as Ligusticum Linnaeus, 1753 · Plantae (Kingdom) > Tracheophyta (Phylum) > Magnoliopsida (Class) > Apiales (Order) > Apiaceae (Family)

Lewia
     Lewia M.E. Barr & E.G. Simmons in E.G. Simmons, 1986 · Fungi (Kingdom) > Ascomycota (Phylum) > Dothideomycetes (Class) > Pleosporales (Order) > Pleosporaceae (Family)
 Lewia Zacharda, 1980 accepted as Robustocheles Zacharda, 1980 · Animalia (Kingdom) > Arthropoda (Phylum) > Arachnida (Class) > Actinedida (Order) > Rhagidiidae (Family)

Lewinia
     Lewinia G.R. Gray, 1855 · Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
     Lewinia Bonaparte, 1854 accepted as Lewinia G.R. Gray, 1855 (nomen nudum)· Animalia (Kingdom) > Chordata (Phylum) > Aves (Class) > Gruiformes (Order) > Rallidae (Family)
     Lewinia Rigby & Webby, 1988 † · Animalia (Kingdom) > Porifera (Phylum) > Demospongea (Class) > Lithistida (Order) > Lithistida (awaiting allocation) (Family)

Lewisia
     Lewisia Chitty, 1857 (uncertain)· Animalia (Kingdom) > Mollusca (Phylum) > Mollusca (awaiting allocation) (Class) > Mollusca (awaiting allocation) (Order) > Mollusca (awaiting allocation) (Family)
     Lewisia Davis, 1887 † (uncertain)· Animalia (Kingdom) > Chordata (Phylum) > Pisces (awaiting allocation) (Class) > Pisces (awaiting allocation) (Order) &