Between brackets is the number of accepted species
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Subphylum Chelicerata
- Subphylum Crustacea
- Subphylum Hexapoda
- Class Collembola
- Class Diplura
- Class Entognatha accepted as Hexapoda
- Class Insecta
- Order Alienoptera † accepted as Blattodea
- Order Amphiesmenoptera incertae sedis †
- Order Anoplura accepted as Phthiraptera
- Order Archaeognatha
- Order Archaeorthoptera (awaiting allocation) †
- Order Archaeorthoptera incertae sedis
- Order Argentinoptera †
- Order Blattodea
- Order Blattoptera †
- Order Caloneurida
- Order Caloneurodea †
- Order Cnemidolestodea †
- Order Coleoptera
- Order Coxoplectoptera †
- Order Dermaptera
- Order Diaphanopterodea †
- Order Diaphanopteroidea accepted as Diaphanopterodea †
- Order Dicliptera †
- Order Dicondylia incertae sedis
- Order Dictyoptera (awaiting allocation)
- Order Dictyoptera incertae sedis
- Order Diptera
- Order Embiodea
- Order Endopterygota incertae sedis
- Order Eoblattida †
- Order Ephemeroptera
- Order Eugeroptera †
- Order Geraroptera †
- Order Geroptera †
- Order Glosselytrodea †
- Order Grylloblattodea
- Order Hemiptera
- Order Homoptera accepted as Hemiptera
- Order Hymenoptera
- Order Hypoperlida †
- Order Insecta (awaiting allocation)
- Order Insecta incertae sedis
- Order Isoptera accepted as Blattodea
- Order Kukaloptera †
- Order Lepidoptera
- Family Acanthopteroctetidae Davis, 1978
- Family Acraeidae Boisduval, 1833 accepted as Nymphalidae Rafinesque, 1815
- Family Acrolepidae accepted as Glyphipterigidae Stainton, 1854
- Family Acrolepiidae Heinemann, 1870 accepted as Glyphipterigidae Stainton, 1854
- Family Acrolophidae Fracker, 1915 accepted as Tineidae Latreille, 1810
- Family Adelidae Bruand, 1850
- Family Aenigmatineidae Kristensen & Edwards in Kristensen et al., 2015
- Family Aganaidae Boisduval, 1833 accepted as Erebidae Leach, 1815
- Family Agaristidae Boisduval, 1833 accepted as Noctuidae Latreille, 1809
- Family Agathiphagidae Kristensen, 1967
- Family Agonoxenidae Meyrick, 1926 accepted as Elachistidae Bruand, 1850
- Family Aididae Schaus, 1906
- Family Alucitidae Leach, 1815
- Family Amathusiidae Moore, 1894 accepted as Nymphalidae Rafinesque, 1815
- Family Amphisbatidae Spuler, 1910 accepted as Lypusidae Herrich-Schäffer, 1857
- Family Amphitheridae Meyrick, 1914 accepted as Roeslerstammiidae Bruand, 1850
- Family Andesianidae Davis & Gentili, 2003
- Family Anomoeotidae Hering, 1937 accepted as Himantopteridae Rogenhofer, 1884
- Family Anomosetidae Tillyard, 1919
- Family Anthelidae Turner, 1904
- Family Apatelodidae Neumoegen & Dyar, 1894
- Family Apoprogonidae Hampson, 1918 accepted as Sematuridae Guenée, 1858
- Family Arbelidae Hampson, 1893 accepted as Metarbelidae Strand, 1909
- Family Archaeolepidae Whalley, 1985 †
- Family Arctiidae Leach, 1815 accepted as Erebidae Leach, 1815
- Family Argyresthiidae Bruand, 1850
- Family Arrhenophanidae Walsingham, 1913 accepted as Psychidae Boisduval, 1829
- Family Ascololepidopterigidae Zhang, Shih, Labandeira & Ren in Zhang et al., 2013 †
- Family Attevidae Mosher, 1916
- Family Autostichidae Le Marchand, 1947
- Family Axiidae Rebel, 1919 accepted as Cimeliidae Chrétien, 1916
- Family Batrachedridae Heinemann & Wocke, 1876
- Family Bedelliidae Meyrick, 1880
- Family Blastobasidae Meyrick, 1894
- Family Blastodacnidae Clarke, 1962 accepted as Elachistidae Bruand, 1850
- Family Bombycidae Latreille, 1802
- Family Brachodidae Agenjo, 1966
- Family Brahmaeidae Swinhoe, 1892
- Family Brassolidae Boisduval, 1836 accepted as Nymphalidae Rafinesque, 1815
- Family Bucculatricidae Fracker, 1915
- Family Callidulidae Moore, 1877
- Family Carcinidae Meyrick, 1906 accepted as Depressariidae Meyrick, 1883
- Family Carposinidae Walsingham, 1897
- Family Carthaeidae Common, 1966
- Family Castniidae Boisduval, 1828
- Family Cecidosidae Bréthes, 1916
- Family Cercophanidae accepted as Saturniidae Boisduval, 1837
- Family Chimabachidae Heinemann, 1870 accepted as Lypusidae Herrich-Schäffer, 1857
- Family Choreutidae Stainton, 1858
- Family Chrysopolomidae Aurivillius, 1895 accepted as Limacodidae Duponchel, 1845
- Family Cimeliidae Chrétien, 1916
- Family Cochylidae accepted as Tortricidae Latreille, 1802
- Family Cocytiidae accepted as Sphingidae Latreille, 1802
- Family Coelopoetidae Hodges, 1978 accepted as Pterolonchidae Meyrick, 1918
- Family Coleophoridae Bruand, 1850
- Family Copromorphidae Meyrick, 1905
- Family Cosmopterigidae Heinemann & Wocke, 1876
- Family Cosmopterygidae accepted as Cosmopterigidae Heinemann & Wocke, 1876
- Family Cossidae Leach, 1815
- Family Crambidae Latreille, 1810
- Family Crinopterygidae Spuler, 1898 accepted as Incurvariidae Spuler, 1898
- Family Cryptophasidae Kirby, 1897 accepted as Xyloryctidae Meyrick, 1890
- Family Ctenuchidae Kirby, 1837 accepted as Erebidae Leach, 1815
- Family Cyclotornidae Meyrick, 1912
- Family Cymatophoridae Herrich-Schäffer, 1847 accepted as Drepanidae Boisduval, 1828
- Family Dalceridae Dyar, 1898
- Family Danaidae accepted as Nymphalidae Rafinesque, 1815
- Family Depressariidae Meyrick, 1883
- Family Dioptidae accepted as Notodontidae Stephens, 1829
- Family Doidae Donahue & Brown, 1987
- Family Douglasiidae Heinemann & Wocke, 1876
- Family Drepanidae Boisduval, 1828
- Family Dudgeoneidae Berger, 1958
- Family Elachistidae Bruand, 1850
- Family Endromidae Boisduval, 1828
- Family Eolepidopterigidae Rasnitsyn, 1983 †
- Family Epermeniidae Spuler, 1910
- Family Epicopeiidae Swinhoe, 1892
- Family Epimarptidae Meyrick, 1914 accepted as Batrachedridae Heinemann & Wocke, 1876
- Family Epiplemidae Hampson, 1892 accepted as Uraniidae Leach, 1815
- Family Epipyropidae Dyar, 1903
- Family Erebidae Leach, 1815
- Family Eriocottidae Spuler, 1898
- Family Eriocraniidae Rebel, 1901
- Family Erycinidae Swainson, 1827 accepted as Riodinidae Grote, 1895
- Family Ethmiidae Busck, 1909 accepted as Depressariidae Meyrick, 1883
- Family Eucosmidae Heinrich, 1923 accepted as Tortricidae Latreille, 1802
- Family Eupterotidae Swinhoe, 1892
- Family Euteliidae Grote, 1882
- Family Galacticidae Minet, 1986
- Family Gelechiidae Stainton, 1854
- Family Geometridae Leach, 1815
- Family Glyphipterigidae Stainton, 1854
- Family Glyphipterygidae accepted as Glyphipterigidae Stainton, 1854
- Family Gracillariidae Stainton, 1854
- Family Hedylidae Guenée, 1858
- Family Heliconidae accepted as Nymphalidae Rafinesque, 1815
- Family Heliconiidae Swainson, 1822 accepted as Nymphalidae Rafinesque, 1815
- Family Heliodinidae Heinemann & Wocke, 1876
- Family Heliozelidae Heinemann & Wocke, 1876
- Family Hepialidae Stephens, 1829
- Family Hesperiidae Latreille, 1809
- Family Heterobathmiidae Kristensen & Nielsen, 1979
- Family Heterogynidae Rambur, 1866
- Family Himantopteridae Rogenhofer, 1884
- Family Holcopogonidae Gozmány, 1967 accepted as Autostichidae Le Marchand, 1947
- Family Hyblaeidae Hampson, 1903
- Family Hypsidae accepted as Erebidae Leach, 1815
- Family Immidae Common, 1979
- Family Incurvariidae Spuler, 1898
- Family Ithomiidae accepted as Nymphalidae Rafinesque, 1815
- Family Lacturidae Heppner, 1995
- Family Lasiocampidae Harris, 1841
- Family Lecithoceridae Le Marchand, 1947
- Family Lemoniidae Neumoegen & Dyar, 1894 accepted as Brahmaeidae Swinhoe, 1892
- Family Lepidoptera (awaiting allocation)
- Family Lepidoptera incertae sedis
- Family Libytheidae Boisduval, 1833 accepted as Nymphalidae Rafinesque, 1815
- Family Limacodidae Duponchel, 1845
- Family Lithosiidae Stephens, 1829 accepted as Erebidae Leach, 1815
- Family Lophocoronidae Common, 1973
- Family Lycaenidae Leach, 1815
- Family Lymantriidae Hampson, 1893 accepted as Erebidae Leach, 1815
- Family Lyonetiidae Stainton, 1854
- Family Lypusidae Herrich-Schäffer, 1857
- Family Megalopygidae Herrich-Schäffer, 1855
- Family Megathymidae Comstock & Comstock, 1895 accepted as Hesperiidae Latreille, 1809
- Family Mesokristenseniidae Huang, Nel & Minet, 2010 †
- Family Metachandidae accepted as Oecophoridae Bruand, 1850
- Family Metarbelidae Strand, 1909
- Family Micronoctuidae Fibiger, 2005 accepted as Erebidae Leach, 1815
- Family Micropterigidae Herrich-Schäffer, 1855
- Family Micropterygidae accepted as Micropterigidae Herrich-Schäffer, 1855
- Family Millieriidae Heppner, 1982
- Family Mimallonidae Burmeister, 1878
- Family Mirinidae accepted as Endromidae Boisduval, 1828
- Family Mnesarchaeidae Eyer, 1924
- Family Momphidae Herrich-Schäffer, 1857
- Family Morphidae accepted as Nymphalidae Rafinesque, 1815
- Family Neopseustidae Hering, 1925
- Family Neotheoridae Kristensen, 1978
- Family Nepticulidae Stainton, 1854
- Family Noctuidae Latreille, 1809
- Family Noctuoidea incertae sedis †
- Family Nolidae Bruand, 1847
- Family Notodontidae Stephens, 1829
- Family Nymphalidae Rafinesque, 1815
- Family Ochsenheimeriidae accepted as Ypsolophidae Guenée, 1845
- Family Oecophoridae Bruand, 1850
- Family Oenosandridae Miller, 1991
- Family Olethreutidae accepted as Tortricidae Latreille, 1802
- Family Opostegidae Meyrick, 1893
- Family Orneodidae accepted as Alucitidae Leach, 1815
- Family Orthosiidae accepted as Noctuidae Latreille, 1809
- Family Oxychirotidae accepted as Tineodidae Meyrick, 1885
- Family Oxytenidae accepted as Saturniidae Boisduval, 1837
- Family Palaeosetidae Turner, 1922
- Family Palaephatidae Davis, 1986
- Family Pantheidae Smith, 1898 accepted as Noctuidae Latreille, 1809
- Family Papilionidae Latreille, 1802
- Family Peleopodidae Hodges, 1974
- Family Pericopidae Walker, 1869 accepted as Erebidae Leach, 1815
- Family Phalaenidae accepted as Noctuidae Latreille, 1809
- Family Phaloniidae accepted as Tortricidae Latreille, 1802
- Family Phaudidae Kirby, 1892
- Family Phiditiidae Minet, 1994
- Family Phyllocnistidae accepted as Gracillariidae Stainton, 1854
- Family Pieridae Swainson, 1820
- Family Plutellidae Guenée, 1845
- Family Praydidae Moriuti, 1977
- Family Prodidactidae Epstein & Brown, 2003
- Family Prodoxidae Riley, 1881
- Family Prototheoridae Meyrick, 1917
- Family Pseudarbelidae accepted as Psychidae Boisduval, 1829
- Family Pseudobistonidae Minet, Rajaei & Stüning in Rajaei et al., 2015
- Family Psychidae Boisduval, 1829
- Family Pterolonchidae Meyrick, 1918
- Family Pterophoridae Latreille, 1802
- Family Pterothysanidae accepted as Callidulidae Moore, 1877
- Family Pyralidae Latreille, 1809
- Family Pyralididae accepted as Pyralidae Latreille, 1809
- Family Ratardidae Hampson, 1898
- Family Riodinidae Grote, 1895
- Family Roeslerstammiidae Bruand, 1850
- Family Saturniidae Boisduval, 1837
- Family Satyridae accepted as Nymphalidae Rafinesque, 1815
- Family Schistonoeidae Hodges, 1998
- Family Schreckensteiniidae Fletcher, 1929
- Family Scythrididae Rebel, 1901
- Family Sematuridae Guenée, 1858
- Family Sesiidae Boisduval, 1828
- Family Simaethistidae Minet, 1991
- Family Somabrachyidae Hampson, 1920
- Family Sphingidae Latreille, 1802
- Family Stathmopodidae Janse, 1917
- Family Stenomatidae accepted as Depressariidae Meyrick, 1883
- Family Symmocidae Gozmány, 1957 accepted as Autostichidae Le Marchand, 1947
- Family Syntomidae accepted as Erebidae Leach, 1815
- Family Syringopaidae Hodges, 1998 accepted as Pterolonchidae Meyrick, 1918
- Family Thaumatopoeidae accepted as Notodontidae Stephens, 1829
- Family Thaumetopoeidae accepted as Notodontidae Stephens, 1829
- Family Thyatiridae accepted as Drepanidae Boisduval, 1828
- Family Thyretidae Kiriakoff, 1949 accepted as Erebidae Leach, 1815
- Family Thyrididae Herrich-Schäffer, 1846
- Family Tineidae Latreille, 1810
- Family Tineodidae Meyrick, 1885
- Family Tischeriidae Spuler, 1898
- Family Tortricidae Latreille, 1802
- Family Tridentaformidae Regier, Mitter, Kristensen, Davis, van Nieukerken, Rota, Simonsen, Mitter, Kawahara, Yen, Cummings & Zwick, 2015
- Family Undopterigidae Kozlov, 1988 †
- Family Uraniidae Leach, 1815
- Genus Acachmena Turner, 1911 accepted as Cathetus Fletcher, 1979
- Genus Acropteris Geyer in Hübner, 1832
- Genus Acropterygia Herrich-Schäffer, 1856 accepted as Acropteris Geyer in Hübner, 1832
- Genus Alaplena Jones, 1921
- Genus Alcides Hübner, 1822
- Genus Alcidia Westwood, 1879 accepted as Alcides Hübner, 1822
- Genus Alcidis Hübner, 1823 accepted as Alcides Hübner, 1822
- Genus Anorthodisca Dognin, 1911
- Genus Antiplecta Warren, 1900
- Genus Aoratosema Warren, 1898
- Genus Aorista Warren, 1901
- Genus Aphyodes Warren, 1907
- Genus Aploschema Warren, 1897
- Genus Arussiana Rougeot, 1977
- Genus Asyngria Dognin, 1902
- Genus Auzea Walker, 1862
- Genus Balantiucha Turner, 1911
- Genus Calledapteryx Grote, 1868
- Genus Callidopteryx Pagenstecher, 1909
- Genus Calligia Pagenstecher, 1909 †
- Genus Callizzia Packard, 1876 †
- Genus Capnophylla Warren, 1897
- Genus Cathetus Fletcher, 1979
- Genus Chaetoceras Warren, 1896
- Genus Chaetopyga Warren, 1896
- Genus Chrysiridia Hübner, 1823
- Genus Chrysixidia Pagenstecher, 1909 accepted as Chrysiridia Hübner, 1823
- Genus Chrysocestis Hübner, 1818
- Genus Chundana Walker, 1862
- Genus Cirrhura Warren, 1903
- Genus Coelura Warren, 1897
- Genus Coeluromima Warren, 1900
- Genus Coelurotricha Warren, 1906
- Genus Crypsicoela Dognin, 1902
- Genus Cyphura Warren, 1902
- Genus Dasmeuda Walker, 1860
- Genus Decetia Walker, 1860
- Genus Decetiodes Warren, 1897
- Genus Dicroplema Gaede, 1916
- Genus Dirades Walker, 1866
- Genus Diradopsis Warren, 1898
- Genus Dissoprumna Warren, 1897
- Genus Dysaethria Turner, 1911
- Genus Dysrhombia Warren, 1896
- Genus Epiplema Herrich-Schäffer, 1856
- Genus Epipleura Walker, 1861 accepted as Epiplema Herrich-Schäffer, 1856
- Genus Eversmannia Staudinger in Staudinger & Wocke, 1871 accepted as Epiplema Herrich-Schäffer, 1856
- Genus Falcinodes Guenée, 1857
- Genus Gandiza Pagenstecher, 1909 accepted as Orudiza Walker, 1861
- Genus Gathynia Walker, 1862
- Genus Gathynia Walker in Tennent, 1861 accepted as Gathynia Walker, 1862
- Genus Gymnoplocia Warren, 1905
- Genus Heteroplema Warren, 1902
- Genus Himaplema Smetacek, 2005
- Genus Homoplexis Warren, 1907
- Genus Hyperplema Warren, 1897
- Genus Hypoplema Janse, 1932
- Genus Lars Hübner, 1807
- Genus Leuconotha Warren, 1897
- Genus Leucoplema Janse, 1932
- Genus Lobogethes Warren, 1896
- Genus Lophopygia Warren, 1904
- Genus Lophotosoma Warren, 1904
- Genus Lyssa Hübner, 1823
- Genus Macrostylodes Warren, 1896
- Genus Madepiplema Boudinot, 1982
- Genus Maenia Pagenstecher, 1909
- Genus Mania Hübner, 1821
- Genus Meleaba Walker, 1861
- Genus Meliaba Walker, 1858 accepted as Meleaba Walker, 1861
- Genus Mesoglypta Warren, 1897
- Genus Metorthocheilus Hampson, 1893
- Genus Micronia Guenée, 1857
- Species Micronia aculeata Guenée, 1857
- Species Micronia albidiorata Mabille, 1893
- Species Micronia crassistriga Warren
- Species Micronia dilatistriga Warren
- Species Micronia discata Warren
- Species Micronia doddsiana Lucas
- Species Micronia falca Swinhoe
- Species Micronia fuscifimbria Warren
- Species Micronia gannata Guenée
- Species Micronia interrupta Pagenstecher
- Species Micronia ithygramma Meyrick
- Species Micronia justaria Walker
- Species Micronia obliterata Warren
- Species Micronia pluviosa Warren, 1897
- Species Micronia punctatissima Gaede, 1929
- Species Micronia responsaria Walker
- Species Micronia semifasciata Mabille, 1879
- Species Micronia sinuosa Warren
- Species Micronia strigifera Warren
- Species Micronia thibetaria Poujade, 1895
- Species Micronia zebrata Warren
- Genus Molybdophora Guenée, 1857
- Genus Monobolodes Warren, 1898
- Genus Monoplema Janse, 1932
- Genus Morphomima Warren, 1904
- Genus Nedusia Hübner, 1818
- Genus Neodeta Warren, 1906
- Genus Neodirades Warren, 1904
- Genus Neoplema Warren, 1904
- Genus Notoptya Warren, 1906
- Genus Nyctalemon Dalman, 1825
- Genus Nyctibadistes Warren, 1897
- Genus Orontes Swainson, 1833 accepted as Alcides Hübner, 1822
- Genus Orudiza Walker, 1861
- Genus Paloda Walker, 1861
- Genus Pangteyia Smetacek, 2005
- Genus Paradecetia Swinhoe, 1894
- Genus Paroecia Warren, 1907
- Genus Paurophlebia Dognin, 1911
- Genus Phazaca Walker, 1863
- Genus Philagraula Hulst, 1896
- Genus Platerosia Warren, 1896
- Genus Powondrella Dalla Torre, 1924
- Genus Psamathia Walker, 1861
- Genus Pseudhyria Hampson, 1895
- Genus Pseudodirades Janse, 1932
- Genus Pseudomicronia Moore, 1887
- Genus Pterotosoma Warren, 1903
- Genus Rhombophylla Turner, 1911
- Genus Saccoploca Warren, 1904
- Genus Schidax Hübner, 1818
- Genus Siculodopsis Warren, 1897
- Genus Somwaria Smetacek, 2005
- Genus Stesichora Meyrick, 1886
- Genus Strophidia Hübner, 1823
- Genus Sylviplema Smetacek, 2005
- Genus Symphytophleps Warren, 1909
- Genus Syngria Guenée, 1857
- Genus Syngriodes Warren, 1905
- Genus Thysanocraspeda Warren, 1904
- Genus Tricolpia Warren, 1907
- Genus Trotorhombia Warren, 1904
- Genus Urania Fabricius, 1807
- Genus Urapteritra Viette, 1972
- Genus Urapteroides Moore in Hewitson & Moore, 1888
- Genus Xysterophora Sinnema & Sinnema-Bloemen, 2016 accepted as Cyphura Warren, 1902
- Family Urodidae Kyrki, 1988
- Family Ustyurtiidae Kaila, Heikkilä & Nupponen, 2020
- Family Whalleyanidae Minet, 1991
- Family Xylorictidae accepted as Xyloryctidae Meyrick, 1890
- Family Xyloryctidae Meyrick, 1890
- Family Yponomeutidae Stephens, 1829
- Family Ypsolophidae Guenée, 1845
- Family Zygaenidae Latreille, 1809
- Family Zygaenoidea (awaiting allocation)
- Order Lophioneurida †
- Order Mallophaga
- Order Mantodea
- Order Mantophasmatodea
- Order Mecoptera
- Order Mecopterida incertae sedis
- Order Megaloptera
- Order Megasecoptera †
- Order Miomoptera †
- Order Neoptera incertae sedis
- Order Neuroptera
- Order Neuropteroidea incertae sedis †
- Order Notoptera
- Order Odonata
- Order Odonatoptera (awaiting allocation) †
- Order Odonatoptera incertae sedis
- Order Orthoptera
- Order Orthopterida incertae sedis
- Order Palaeodictyoptera †
- Order Palaeoptera incertae sedis
- Order Panorthoptera incertae sedis
- Order Paoliida †
- Order Paraneoptera (awaiting allocation)
- Order Perielytrodea †
- Order Permopsocida †
- Order Permotrichoptera †
- Order Phasmatodea
- Order Phasmida accepted as Phasmatodea
- Order Phasmoptera accepted as Phasmatodea
- Order Phthiraptera
- Order Plecoptera
- Order Polyneoptera incertae sedis
- Order Protelytroptera †
- Order Protoblattoidea †
- Order Protocoleoptera † accepted as Protelytroptera †
- Order Protodonata †
- Order Protoelytroptera †
- Order Protohemiptera †
- Order Protohymenoptera †
- Order Protorthoptera †
- Order Protozygoptera †
- Order Psocoptera
- Order Raphidioptera
- Order Siphonaptera
- Order Skleroptera †
- Order Strepsiptera
- Order Tarachoptera †
- Order Thripida incertae sedis
- Order Thysanoptera
- Order Thysanura accepted as Insecta
- Order Titanoptera †
- Order Trichoptera
- Order Zoraptera
- Order Zygentoma
- Genus Bifarius Tasch, 1961 †
- Genus Cyclocephalus Tasch, 1961 †
- Genus Hypatocephala Tasch, 1961 †
- Genus Permolimulinella Tasch, 1963 †
- Genus Strongylocephalus Tasch, 1961 †
- Class Protura
- Subphylum Myriapoda
- Subphylum Trilobitomorpha †
- Class Arachnomorpha (awaiting allocation)
- Class Arthropoda (awaiting allocation)
- Class Artiopoda †
- Class Crustaceomorpha incertae sedis †
- Class Dinocaridida †
- Class Labrophora incertae sedis
- Class Lamellipedia incertae sedis
- Class Megacheira †
- Class Thylacocephala †
- Class Xenocarida incertae sedis
- Order Canadaspidida † accepted as Hymenocarina †
- Order Cheloniellida †
- Order Emeraldellida † accepted as Arthropoda
- Order Fuxianhuiida †
- Order Habeliida †
- Order Hymenocarina †
- Order Isoxyida †
- Order Pectocaridida † accepted as Hymenocarina †
- Order Waptiida † accepted as Hymenocarina †
- Family Bomakellidae Fedonkin, 1987 †
- Family Burgessiidae Walcott, 1912 †
- Family Emeraldellidae Raymond, 1935 †
- Family Guangweicarididae Luo, Fu, Hu, Li, Hou, You, Pang & Liu, 2007 †
- Genus Aaveqaspis Peel & Stein, 2009 †
- Genus Acheronauta Pulsipher, Anderson, Wright, Kluessendorf, Mikulic & Schiffbauer, 2022 †
- Genus Arthroaspis Stein, Budd, Peel & Harper, 2013 †
- Genus Astutuscaris Jiao & Du, 2022 †
- Genus Bennettarthra Fayers, Trewin & Morrissey, 2010 †
- Genus Bushizheia O'Flynn & Liu in O'Flynn et al., 2020 †
- Genus Chuandianella Hou & Bergström, 1991 †
- Genus Dioxycaris Gürich, 1929 †
- Genus Dongshanocaris Hou, Bergström, Wang, Feng & Chen, 1999 †
- Genus Duraznovis Lara, Cariglino & Zavattieri in Lara et al., 2019 †
- Genus Duraznovs Lara, Cariglino & Zavattieri in Lara et al., 2019 † accepted as Duraznovis Lara, Cariglino & Zavattieri in Lara et al., 2019 †
- Genus Esmeraldacaris Waggoner, 2003 †
- Genus Fibulacaris Izquierdo-López & Caron, 2019 †
- Genus Kiisortoqia Stein, 2010 †
- Genus Kylinxia Zeng, Zhao, Niu, Zhu & Huang, 2020 †
- Genus Lihuacaris Jiao, Pates, Lerosey-Aubril, Ortega-Hernández, Yang, Lan & Zhang, 2021 †
- Genus Norikeya Tanaka, Siveter & Williams, 2013 †
- Genus Nothozoe Barrande, 1872 †
- Genus Nothozoe Barrande in Bigsby, 1868 † accepted as Nothozoe Barrande, 1872 †
- Genus Notozoe Zittel, 1885 † accepted as Nothozoe Barrande, 1872 †
- Genus Pakucaris Izquierdo-López & Caron, 2021 †
- Genus Pambdelurion Budd, 1998 †
- Genus Parvibellus Liu, Dunlop, Steiner & Shu, 2022 †
- Genus Pleuralata McCoy, Strother & Briggs, 2012 †
- Genus Pseudoangustidontus Van Roy & Tetlie, 2006 †
- Genus Pteroessa Hudson & Gosse, 1886
- Genus Sidneyia Walcott, 1911 †
- Genus Siriocaris Lagebro, Stein & Peel, 2009 †
- Genus Vermontcaris Pari, Briggs & Gaines, 2022 †
- Genus Youti Smith, Long, Dhungana, Dobson, Yang & Zhang, 2024 †
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Phylum Cnidaria
- Phylum Ctenophora
- Phylum Cycliophora
- Phylum Cycloneuralia incertae sedis
- Phylum Ecdysozoa incertae sedis †
- Phylum Echinodermata
- Phylum Entoprocta
- Phylum Gastrotricha
- Phylum Gnathostomulida
- Phylum Hemichordata
- Phylum Hyolitha †
- Phylum Kinorhyncha
- Phylum Lobopoda †
- Phylum Loricifera
- Phylum Micrognathozoa
- Phylum Mollusca
- Phylum Monoblastozoa accepted as Animalia incertae sedis
- Phylum Nematoda
- Phylum Nematomorpha
- Phylum Nemertea
- Phylum Onychophora
- Phylum Orthonectida
- Phylum Phoronida
- Phylum Placozoa
- Phylum Platyhelminthes
- Phylum Pogonophora accepted as Siboglinidae Caullery, 1914
- Phylum Porifera
- Phylum Priapula accepted as Priapulida
- Phylum Priapulida
- Phylum Problematica † accepted as Animalia incertae sedis
- Phylum Rhombozoa
- Phylum Rotifera
- Phylum Scalidophora incertae sedis
- Phylum Sipuncula
- Phylum Tardigrada
- Phylum Trace fossils †
- Phylum Vendobionta †
- Phylum Vestimentifera accepted as Siboglinidae Caullery, 1914
- Phylum Vetulicolia †
- Phylum Vinctiplicata incertae sedis †
- Phylum Xenacoelomorpha
- Genus Trilobocaris Pribyl, 1953 †
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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