Between brackets is the number of accepted species
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2 Shows the number of accepted species within the taxon
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Phylum Brachiopoda
- Phylum Bryozoa
- Phylum Cephalorhyncha incertae sedis
- Phylum Chaetognatha
- Phylum Chitinozoa †
- Phylum Chordata
- Subphylum Cephalochordata
- Subphylum Tunicata accepted as Urochordata
- Subphylum Urochordata
- Subphylum Vertebrata
- Superclass Tetrapoda
- Class Amphibia
- Class Aves
- Class Mammalia
- Subclass Prototheria
- Subclass Theria
- Infraclass Eutheria
- Order Afrosoricida
- Order Amphitheriida †
- Order Anagalida †
- Order Arctostylopida †
- Order Artiodactyla
- Order Asioryctitheria †
- Order Astrapotheria †
- Order Bellua accepted as Perissodactyla
- Order Bibymalagasia †
- Order Carnivora
- Family Adapisoriculidae Van Valen, 1967 †
- Family Ailuridae Gray, 1843
- Family Ailuropodidae Grevé, 1894 accepted as Ursidae Gray, 1825
- Family Amphicynodontidae Simpson, 1945 †
- Family Amphicyonidae Haeckel, 1886 †
- Family Barbourofelidae Schultz et al., 1970 †
- Family Canidae Fischer, 1817
- Family Caniformia incertae sedis
- Family Carnivora (awaiting allocation)
- Family Carnivora incertae sedis
- Family Desmatophocidae Hay, 1930 †
- Family Didymictidae Flynn & Galiano, 1982 †
- Family Enaliarctidae Tedford, 1976 †
- Family Eupleridae Chenu, 1850
- Family Felidae Gray, 1821
- Genus Abacinonyx Kretzoi, 1929 † accepted as Acinonyx Brookes, 1828
- Genus Abelia Kretzoi, 1938 †
- Genus Acinomyx de Beaumont, 1964 accepted as Acinonyx Brookes, 1828
- Genus Acinonyx Brookes, 1828
- Genus Adeilosmilus Jiangzuo, Werdelin & Sun, 2022 †
- Genus Adelphailurus Hibbard, 1934 †
- Genus Aellurina Trouessart, 1885 accepted as Prionailurus Sewertzow, 1858
- Genus Aelurina Gill, 1872 accepted as Prionailurus Sewertzow, 1858
- Genus Afrosmilus Kretzoi, 1929 † accepted as Pseudaelurus Gervais, 1850 †
- Genus Ailurin Gervais, 1855 accepted as Prionailurus Sewertzow, 1858
- Genus Ailurina Trouessart, 1885 accepted as Prionailurus Sewertzow, 1858
- Genus Ailurinus Gervais, 1870 accepted as Prionailurus Sewertzow, 1858
- Genus Ailurogale Fitzinger, 1869 accepted as Prionailurus Sewertzow, 1858
- Genus Ailurun Gyldenstolpe, 1919 accepted as Prionailurus Sewertzow, 1858
- Genus Archaelurus Cope, 1879 †
- Genus Asilifelis Werdelin, 2011
- Genus Avitofelis Kretzoi, 1930 accepted as Felis Linnaeus, 1758
- Genus Badiofelis Pocock, 1932 accepted as Catopuma Severtzov, 1858
- Genus Brachyprosopus Schaub, 1942 † accepted as Schaubia Camp, Welles & Green, 1949 †
- Genus Caracal Gray, 1843
- Species Caracal caracal (Schreber, 1776)
- Genus Caracala Gray, 1842 accepted as Caracal Gray, 1843
- Genus Catolynx Severtzov, 1858 accepted as Felis Linnaeus, 1758
- Genus Catolynx Gray, 1867
- Genus Catopuma Severtzov, 1858
- Genus Catus Frisch, 1775 accepted as Felis Linnaeus, 1758
- Genus Cervaria Gray, 1867 accepted as Lynx Kerr, 1792
- Genus Chaus Gray, 1843 accepted as Felis Linnaeus, 1758
- Genus Chrysailurus Severtzov, 1858 accepted as Profelis Severtzov, 1858
- Genus Cinaylurus Lund, 1839 accepted as Acinonyx Brookes, 1828
- Genus Colocolo Pocock, 1941 accepted as Leopardus Gray, 1842
- Genus Cynaelurus Agassiz, 1846 accepted as Acinonyx Brookes, 1828
- Genus Cynaelurus Gloger, 1841 accepted as Acinonyx Brookes, 1828
- Genus Cynailurus Wagler, 1830 accepted as Acinonyx Brookes, 1828
- Genus Cynofelis Lesson, 1842 accepted as Acinonyx Brookes, 1828
- Genus Dendrailurus Severtzov, 1858 accepted as Leopardus Gray, 1842
- Genus Diamantofelis Morales, Pickford, Soria & Fraile, 1998 †
- Genus Dinobastis Cope, 1893 † accepted as Homotherium Fabrini, 1890 †
- Genus Dinofelis Zdansky, 1926 †
- Genus Dolichofelis Kretzoi, 1929 †
- Genus Drepanodon Nesti, 1826
- Genus Dromopanthera Kretzoi, 1929 †
- Genus Epimachairodus Kretzoi, 1929
- Genus Eremaelurus Ognev, 1927 accepted as Felis Linnaeus, 1758
- Genus Eucervaria Palmer, 1903 accepted as Lynx Kerr, 1792
- Genus Felia Gray, 1869 accepted as Felis Linnaeus, 1758
- Genus Felis Linnaeus, 1758
- Genus Felix Voigt, 1818 accepted as Felis Linnaeus, 1758
- Genus Folis Tschershi, 1892 accepted as Felis Linnaeus, 1758
- Genus Fortunictis Pons-Moya, 1988 †
- Genus Galeopardus Heuglin, 1866 accepted as Leptailurus Sewertzow, 1858
- Genus Guepar Boitard, 1841 accepted as Acinonyx Brookes, 1828
- Genus Gueparda Gray, 1842 accepted as Acinonyx Brookes, 1828
- Genus Guepardus Duvernoy, 1834 accepted as Acinonyx Brookes, 1828
- Genus Hemimachairodus von Koenigswald, 1974 †
- Genus Herpailurus Sewertzow, 1858 accepted as Puma Jardine, 1834
- Genus Homotherium Fabrini, 1890 †
- Genus Ictailurus Sevwertzov, 1858 accepted as Prionailurus Sewertzow, 1858
- Genus Ictalurus accepted as Felis Linnaeus, 1758
- Genus Ischyrosmilus †
- Genus Jaguarius Sebertzov, 1858 accepted as Panthera Oken, 1816
- Genus Jaguirius Elliot, 1904 accepted as Panthera Oken, 1816
- Genus Jansofelis Bonifay, 1971 †
- Genus Katifelis Adrian, Werdelin & Grossman, 2018 †
- Genus Leo Oken, 1816 accepted as Panthera Oken, 1816
- Genus Leo Frisch, 1775 accepted as Panthera Oken, 1816
- Genus Leonina Grevé, 1894 accepted as Panthera Oken, 1816
- Genus Leoninae Wagner, 1841 accepted as Panthera Oken, 1816
- Genus Leontoceryx Kretzoi, 1938 †
- Genus Leopardus Gray, 1842
- Genus Leptailurus Sewertzow, 1858
- Genus Leptofelis Salesa, Siliceo, Antón, Peigné & Morales, 2019 †
- Genus Linx Kaup, 1829 accepted as Lynx Kerr, 1792
- Genus Lokotunjailurus Werdelin, 2003 †
- Genus Longchuansmilus Jiangzuo, Li, Fu, Wang, Ji, Duan & Che, 2022 †
- Genus Lynceus Gray, 1821 accepted as Lynx Kerr, 1792
- Genus Lynchaelurus Elliot, 1904 accepted as Leopardus Gray, 1842
- Genus Lynchailurus Severtzov, 1858 accepted as Leopardus Gray, 1842
- Genus Lynchus Jardine, 1834 accepted as Lynx Kerr, 1792
- Genus Lyncus Gray, 1825 accepted as Lynx Kerr, 1792
- Genus Lynx Kerr, 1792
- Genus Machaerodus Agassiz, 1846 † accepted as Machairodus Kaup, 1833 †
- Genus Machairodus Kaup, 1833 †
- Genus Machiarodus Leidy, 1854 † accepted as Machairodus Kaup, 1833 †
- Genus Magerifelis Salesa, Gamarra, Siliceo, Antón & Morales, 2024 †
- Genus Mamfelisus Herrera, 1899 accepted as Felis Linnaeus, 1758
- Genus Margay Gray, 1867 accepted as Leopardus Gray, 1842
- Genus Mayailurus Imaizumi, 1967 accepted as Prionailurus Sewertzow, 1858
- Genus Megantereon Croizet & Jobert, 1828 †
- Genus Meganthereon Pomel, 1853 † accepted as Megantereon Croizet & Jobert, 1828 †
- Genus Metailurus Zdansky, 1926 †
- Genus Microfelis Roberts, 1926 accepted as Felis Linnaeus, 1758
- Genus Miomachairodus Schmidt-Kittler, 1976 †
- Genus Miracinonyx Adams, 1979 † accepted as Acinonyx Brookes, 1828
- Genus Mitsupes Rodríguez-de la Rosa & Guzmán-Gutiérrez, 2012 †
- Genus Montifelis Schwangart, 1941 accepted as Leopardus Gray, 1842
- Genus Mungofelis Antonius, 1933 accepted as Leopardus Gray, 1842
- Genus Namafelis Morales, Pickford, Fraile, Salesa & Soria, 2003 †
- Genus Neofelis Gray, 1867
- Genus Nimravides Kitts, 1958 †
- Genus Noctifelis Severtzov, 1858 † accepted as Leopardus Gray, 1842
- Genus Octalobus Elliot, 1883 accepted as Felis Linnaeus, 1758
- Genus Octalobus Elliot, 1881 accepted as Felis Linnaeus, 1758
- Genus Octolobus accepted as Felis Linnaeus, 1758
- Genus Oncifelis Sewertzov, 1858 accepted as Leopardus Gray, 1842
- Genus Oncilla Allen, 1919 accepted as Leopardus Gray, 1842
- Genus Oncoides Sewertzov, 1858 accepted as Leopardus Gray, 1842
- Genus Oncoïdes Sewertzov, 1858 accepted as Leopardus Gray, 1842
- Genus Oreailurus Cabrera, 1940 accepted as Leopardus Gray, 1842
- Genus Otailurus Severtzov, 1858 accepted as Felis Linnaeus, 1758
- Genus Otocalobus Pocock, 1917 accepted as Felis Linnaeus, 1758
- Genus Otocolobus Severtzov, 1858 accepted as Felis Linnaeus, 1758
- Genus Otocolobus Brandt, 1842 accepted as Felis Linnaeus, 1758
- Genus Pachypanthera De Bonis, Chaimanee, Grohé, Chavasseau, Mazurier, Suraprasit & Jaeger, 2023 †
- Genus Pajeros Gray, 1867 accepted as Leopardus Gray, 1842
- Genus Palaeopanthera Hemmer, 2023 †
- Genus Panthera Oken, 1816
- Genus Paracinonyx Kretzoi, 1929 accepted as Acinonyx Brookes, 1828
- Genus Paramachaerodus Pilgrim, 1913 †
- Genus Pardalina Gray, 1867 accepted as Leopardus Gray, 1842
- Genus Pardalis Gray, 1867 accepted as Leopardus Gray, 1842
- Genus Pardina Kaup, 1829 accepted as Lynx Kerr, 1792
- Genus Pardofelis Severtzov, 1858
- Genus Pardotigris Kretzoi, 1929 accepted as Panthera Oken, 1816
- Genus Pardus Fitzinger, 1868 accepted as Panthera Oken, 1816
- Genus Pikermia Kretzoi, 1938 †
- Genus Plethaelurus Cope, 1882 accepted as Prionailurus Sewertzow, 1858
- Genus Poliailurus Lönnberg, 1925 accepted as Felis Linnaeus, 1758
- Genus Pontosmilus Kretzoi, 1929
- Genus Pratifelis Hibbard, 1934 †
- Genus Prionailurus Sewertzow, 1858
- Genus Priononfelis Kretzoi, 1929 accepted as Prionailurus Sewertzow, 1858
- Genus Pristifelis Salesa, Antón, Morales & Peigné, 2012 †
- Genus Proailurus Filhol, 1879 †
- Genus Profelis Severtzov, 1858
- Genus Promegantereon Kretzoi, 1938 † accepted as Megantereon Croizet & Jobert, 1828 †
- Genus Propontosmilus Kretzoi, 1929
- Genus Pseudaelurus Gervais, 1850 †
- Genus Pseudelurus Filhol, 1880 † accepted as Pseudaelurus Gervais, 1850 †
- Genus Pseudoelurus Lemoine, 1880 † accepted as Pseudaelurus Gervais, 1850 †
- Genus Pseudolynx Schwangart, 1941 accepted as Leopardus Gray, 1842
- Genus Puma Jardine, 1834
- Genus Rhizosmilodon Wallace & Hulbert, 2013 †
- Genus Schaubia Camp, Welles & Green, 1949 †
- Genus Septailurus Sewertzow, 1858 accepted as Leptailurus Sewertzow, 1858
- Genus Serval Gray, 1867 accepted as Leptailurus Sewertzow, 1858
- Genus Serval Brehm, 1864 accepted as Leptailurus Sewertzow, 1858
- Genus Servalina Grevé, 1894 accepted as Leptailurus Sewertzow, 1858
- Genus Severtzowius Kretzoi & Kretzoi, 2000 † accepted as Leopardus Gray, 1842
- Genus Sivaelurus Pilgrim, 1913 †
- Genus Sivafelis Pilgrim, 1932 †
- Genus Sivapanthera Kretzoi, 1929 †
- Genus Sivapardus Baker, 1969 †
- Genus Sivasmilus Kretzoi, 1929
- Genus Smilodon Lund, 1842 †
- Genus Smilodontidion Kraglievich, 1948 †
- Genus Stenailurus Crusafont-Pairo & Aguirre, 1972 †
- Genus Steneodon Croizet in Geoffroy, 1833 † accepted as Megantereon Croizet & Jobert, 1828 †
- Genus Stenodon Lesson, 1842 † accepted as Megantereon Croizet & Jobert, 1828 †
- Genus Taowu Jiangzuo, Werdelin & Sun, 2022 †
- Genus Tchadailurus de Bonis, Peigné, Mackaye, Likius, Vignaud & Brunet, 2018 †
- Genus Telosmilus Kretzoi, 1929 † accepted as Megantereon Croizet & Jobert, 1828 †
- Genus Therailurus Piveteau, 1948 †
- Genus Tigrina Grevé, 1894 accepted as Panthera Oken, 1816
- Genus Tigrinae Wagner, 1841 accepted as Panthera Oken, 1816
- Genus Tigris Oken, 1816 accepted as Panthera Oken, 1816
- Genus Tigris Gray, 1843 accepted as Panthera Oken, 1816
- Genus Tigris Frisch, 1775 accepted as Panthera Oken, 1816
- Genus Toscanius Kretzoi, 1929 † accepted as Megantereon Croizet & Jobert, 1828 †
- Genus Toscanosmilus Kretzoi, 1938 † accepted as Megantereon Croizet & Jobert, 1828 †
- Genus Trichaelurus Satunin, 1905 accepted as Felis Linnaeus, 1758
- Genus Uncia Gray, 1854
- Genus Urolynchus Severtzov, 1858 accepted as Caracal Gray, 1843
- Genus Vinayakia Pilgrim, 1932 †
- Genus Viretailurus Hemmer, 1965 †
- Genus Vishnufelis Pilgrim, 1932 †
- Genus Viverriceps Gray, 1867 accepted as Prionailurus Sewertzow, 1858
- Genus Xenosmilus Martin, Babiarz, Naples & Hearst, 2000 †
- Genus Zibethailurus Severtzov, 1858 accepted as Prionailurus Sewertzow, 1858
- Family Hemicyonidae † accepted as Ursidae Gray, 1825
- Family Herpestidae Bonaparte, 1845
- Family Hyaenidae Gray, 1821
- Family Lophocyonidae Fejfar, Schmidt-Kittler & Zacharov, 1987 †
- Family Mephitidae Bonaparte, 1845
- Family Mustelida incertae sedis
- Family Mustelidae Fischer, 1817
- Family Nandiniidae Pocock, 1929
- Family Nimravidae Cope, 1880 †
- Family Odobenidae Allen, 1880
- Family Otariidae Gill, 1866
- Family Palaeogalidae Martin & Lim, 2001 †
- Family Phocidae Gray, 1821
- Family Prionodontidae Pocock, 1933
- Family Procyonidae Gray, 1825
- Family Stenoplesictidae Schlosser, 1923 †
- Family Subparictidae Baskin & Tedford, 1996 †
- Family Ursidae Gray, 1825
- Family Viverravidae Wortman & Matthew, 1899 †
- Family Viverridae Gray, 1821
- Genus Adracodon Ameghino, 1889 † accepted as Adracon Filhol, 1885 †
- Genus Adracon Filhol, 1885 †
- Genus Aeluropsis Lydekker, 1884 †
- Genus Amphicticeps Matthew & Granger, 1924 †
- Genus Creodontipus Santamaria, López & Casanovas-Cladellas, 1990 †
- Genus Elmensius Kretzoi, 1929 †
- Genus Eodesmatodon Zheng & Chi, 1978 †
- Genus Fejfarictis Bonis, Ekrt, Kunstmüllerová, Martínek, Rapprich & Wagner, 2024 †
- Genus Lonchocyon Zhang, Bai & Wang, 2023 †
- Genus Mellivorodon Lydekker, 1884 †
- Genus Notoamphicyon Ameghino, 1904 †
- Genus Pacificotaria Barnes, 1992 †
- Genus Plesiocyon Schlosser, 1887 †
- Genus Pteronarctos Barnes, 1989 †
- Genus Puijila Rybczynski, Dawson & Tedford, 2009 †
- Genus Ravenictis Fox & Youzwyshyn, 1994 †
- Genus Shandgolictis Hunt, 1998 †
- Genus Viretictis de Bonis, Peigne & Hugueney, 1999 †
- Order Carnivoramorpha incertae sedis †
- Order Cetacea
- Order Chiroptera
- Order Cimolesta †
- Order Cingulata
- Order Condylarthra †
- Order Creodonta †
- Order Dermoptera
- Order Desmostylia †
- Order Dinocerata †
- Order Edentata accepted as Eutheria
- Order Embrithopoda †
- Order Erinaceomorpha
- Order Eulipotyphla
- Order Eutheria (awaiting allocation)
- Order Hyracoidea
- Order Insectivora accepted as Eutheria
- Order Lagomorpha
- Order Leptictida †
- Order Lipotyphla † accepted as Eulipotyphla
- Order Litopterna †
- Order Macroscelidea
- Order Mesonychia † accepted as Mesonychia †
- Order Mesonychia †
- Order Mimotonida †
- Order Mixodontia †
- Order Notopterna † accepted as Litopterna †
- Order Notoungulata †
- Order Pantodonta † accepted as Cimolesta †
- Order Pantolesta † accepted as Cimolesta †
- Order Perissodactyla
- Order Pholidota
- Order Pilosa
- Order Primates
- Order Proboscidea
- Order Procreodi †
- Order Proteutheria † accepted as Eutheria
- Order Ptolemaiida †
- Order Pyrotheria †
- Order Rodentia
- Order Scandentia
- Order Simplicidentata incertae sedis †
- Order Sirenia
- Order Soricomorpha
- Order Taeniodonta † accepted as Cimolesta †
- Order Tillodontia † accepted as Cimolesta †
- Order Tubulidentata
- Order Xenungulata †
- Family Acreodi incertae sedis †
- Family Endotheriidae Shikama, 1947 †
- Family Heterosoricidae Viret & Zapfe, 1951 †
- Family Horolodectidae Scott, 2019 †
- Family Miacidae Cope, 1880 †
- Family Nesophontidae
- Family Ocepeiidae Gheerbrant in Gheerbrant et al., 2014 †
- Family Otlestidae Nessov, 1985 † accepted as Eutheria
- Family Soricomorpha incertae sedis
- Family Sororyctidae Gingerich, Arif, Hussain & Abbas, 1998 †
- Family Tenrecoidea incertae sedis
- Family Tenrecomorpha incertae sedis
- Family Vastanidae Bajpai, Kapur, Das, Tiwari, Saravanan & Sharma, 2005 †
- Family Zhelestidae Nessov, 1990 †
- Genus Acristatherium Hu, Meng, Li & Wang, 2010 †
- Genus Adrastotherium Ameghino, 1887 †
- Genus Akenodon Aymard, 1856 †
- Genus Bayshinoryctes Lopatin & Averianov, 2023 †
- Genus Beleutinus Bazhanov, 1972 †
- Genus Bobolestes Nessov, 1985 †
- Genus Ceruttia Tomiya, 2013 †
- Genus Cokotherium Wang, Hoffmann, Wang & Wang, 2022 †
- Genus Dehnaripus Abbassi, Salehi Tinooni, Ghorbani Dehnavi, Shakeri & Eshaghi, 2024 †
- Genus Durlstodon Sweetman, Smith & Martill, 2017 †
- Genus Durlstotherium Sweetman, Smith & Martill, 2017 †
- Genus Eutrochodon Roth, 1903 †
- Genus Ganungulatum Ting, Meng, Li, Wang, Tong, Schiebout, Koch, Clyde & Bowen, 2007 †
- Genus Hyotheridium Gregory & Simpson, 1926 †
- Genus Idiogenomys Ostrander, 1983 †
- Genus Indoclemensia Wilson Mantilla et al., 2022 †
- Genus Juramaia Luo, Yuan, Meng & Ji, 2011 †
- Genus Microtherulum Wang & Wang, 2023 †
- Genus Montanalestes Cifelli, 1999 †
- Genus Moropopus Abbassi, Salehi Tinooni, Ghorbani Dehnavi, Shakeri & Eshaghi, 2024 †
- Genus Murtoilestes Averianov & Skutschus, 2001 †
- Genus Ndamathaia Jacobs, Anyonge & Barry, 1987 †
- Genus Nosella Peláez-Campomanes in Lopez-Martinez & Pelaez-Campomanes, 1999 †
- Genus Obtususdon Xu, 1977 †
- Genus Otlestes Nessov, 1985 † accepted as Bobolestes Nessov, 1985 †
- Genus Pahelia Zack, Rose, Holbrook, Kumar, Rana & Smith, 2021 †
- Genus Prokennalestes Kielan-Jaworowska & Dashzeveg, 1989 †
- Genus Prozalambdalestes Trofimov in Belyaeva, Trofimov & Reshetov, 1974 † accepted as Prokennalestes Kielan-Jaworowska & Dashzeveg, 1989 †
- Genus Radinskya McKenna, Minchen, Ting & Luo, 1989 †
- Genus Sazlestes Nessov, 1997 †
- Genus Sinomylus McKenna & Meng, 2001 †
- Genus Talquinodus Kramarz, Bellosi, Bond, Forasiepi, Gaillard & Krause, 2024 †
- Genus Thoracotherion Gray, 1869 †
- Genus Veratalpa Ameghino, 1905 †
- Genus Walshius Tomiya, 2013 †
- Genus Wania Wang, 1995 †
- Genus Wanotherium Tang & Yan, 1976 †
- Infraclass Marsupialia accepted as Metatheria
- Infraclass Metatheria
- Infraclass Placentalia accepted as Eutheria
- Order Dryolestida †
- Order Eupantotheria † accepted as Dryolestida †
- Order Spalacotherioidea † accepted as Symmetrodonta †
- Order Symmetrodonta †
- Order Uranotheria accepted as Eutheria
- Family Holoclemensiidae Aplin & Archer, 1987 †
- Family Kermackiidae Butler, 1978 †
- Family Picopsidae Fox, 1980 †
- Family Plicatodontidae Ameghino, 1904 †
- Family Potamotelsidae Nessov, 1987 †
- Genus Anisorhizus Ameghino, 1902 †
- Genus Chunnelodon Ensom & Sigogneau-Russell, 1998 †
- Genus Dakotadens Eaton, 1993 †
- Genus Magnimus Sigogneau-Russell, 1999 †
- Genus Minimus Sigogneau-Russell, 1999 †
- Genus Paleomolops Cifelli, 1994 †
- Genus Patagomaia Chimento, Agnolín, García-Marsà, Manabe, Tsuihiji & Novas, 2024 †
- Subclass Theriiformes †
- Order Mammalia (awaiting allocation)
- Order Mammalia incertae sedis
- Family Meridiolestida incertae sedis †
- Genus Bulatia Gabunia & Shevyreva, 1994 †
- Genus Eomaia Ji, Luo, Yuan, Wible, Zhang & Georgi, 2002 †
- Genus Florentinoameghinia Simpson, 1932 †
- Genus Hypomylos Sigogneau-Russell, 1992 †
- Genus Tribotherium Sigogneau-Russell, 1991 †
- Genus Zygiocuspis Cifelli, 1990 †
- Class Mammaliaformes incertae sedis †
- Class Reptilia
- Genus Archaeoraptor Sloan, 1999 †
- Genus Brittagnathus Ahlberg & Clack, 2020 †
- Genus Diploradus Clack & Smithson in Clack et al., 2017 †
- Genus Mesanerpeton Smithson & Clack, 2018 †
- Genus Ossirarus Clack & Smithson in Clack et al., 2017 †
- Genus Parmastega Beznosov, Clack, Lukševičs, Ruta & Ahlberg, 2019 †
- Genus Perittodus Clack & Smithson in Clack et al., 2017 †
- Genus Sigournea Bolt & Lombard, 2006 †
- Genus Tantallognathus Chen, Alavi, Brazeau, Blom, Millward & Ahlberg, 2017 †
- Genus Tutusius Gess & Ahlberg, 2018 †
- Genus Umzantsia Gess & Ahlberg, 2018 †
- Class Acanthodii †
- Class Actinopterygii
- Class Agnatha (awaiting allocation)
- Class Cephalaspidomorphi
- Class Chondrichthyes
- Class Conodonta †
- Class Dipnoi
- Class Dipnomorpha accepted as Dipnoi
- Class Galeaspida †
- Class Gnathostomata incertae sedis †
- Class Myxini
- Class Osteichthyes (awaiting allocation)
- Class Osteichthyes incertae sedis †
- Class Ostracodermi †
- Class Pisces (awaiting allocation)
- Class Placodermi †
- Class Pteraspidomorphi †
- Class Sarcopterygii
- Class Thelodonti †
- Genus Emmonsaspis Resser & Howell, 1938 †
- Genus Harajicadectes Choo, Holland, Clement, King, Challands, Young & Long, 2024 †
- Genus Kahamachli Malkani, 2019 †
- Genus Nuucichthys Lerosey-Aubril & Ortega-Hernández, 2024 †
- Genus Rhynchocopros Hunt, Lucas & Spielmann, 2013 †
- Genus Santamariacopros Hunt, Lucas & Spielmann, 2013 †
- Genus Squirmarius McCoy, Wittry, Sadabadi & Mayer, 2023 †
- Class Chordata (awaiting allocation)
- Class Eotetrapodiformes incertae sedis
- 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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