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
- 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
- Family Aeschnidae accepted as Aeshnidae Leach, 1815
- Family Aeschnidiidae Needham, 1903 †
- Family Aeshnidae Leach, 1815
- Family Aeshnoptera incertae sedis †
- Family Agriidae
- Family Agrionidae
- Family Aktassiidae Pritykina, 1968 †
- Family Allopetaliidae Cockerell, 1913 accepted as Aeshnidae Leach, 1815
- Family Amphipterygidae
- Family Anglophlebiidae Kelly & Nel, 2018 †
- Family Anisoptera (awaiting allocation)
- Family Anisoptera incertae sedis
- Family Araripelibellulidae Bechly, 1996 †
- Family Araripephlebiidae Bechly, 1998 †
- Family Archipetalidae
- Family Archithemistidae †
- Family Argiolestidae Fraser, 1957
- Family Asiopteridae †
- Family Austrocorduliidae
- Family Austroperilestidae Petrulevicius & Nel, 2005 †
- Family Austropetaliidae
- Family Batkeniidae †
- Family Bolcacorduliidae Gentilini, 2002 †
- Family Bolcathoridae Gentilini, 2002 †
- Family Burmacoenagrionidae Zheng, Nel, Zhang, Chang, Jarzembowski, Zhuo & Wang, 2019 †
- Family Burmaeshnidae Huang, Cai, Nel & Bechly, 2017 †
- Family Burmagomphidae Zheng, Nel & Wang in Zheng et al., 2017 †
- Family Burmaphlebiidae Bechly & Poinar, 2013 †
- Family Callimokaltaniidae †
- Family Calopterygidae
- Family Campterophlebiidae Handlirsch, 1920 †
- Family Carleidae Bechly, Garrouste, Aase, Karr, Grande & Nel, 2020 †
- Family Chlorocyphidae
- Family Chlorogomphidae Needham, 1903
- Family Chlorolestidae
- Family Chorismagrionidae
- Family Coenagrionidae Kirby, 1890
- Family Cordulegasteridae
- Family Cordulegastridae
- Family Cordulephyidae
- Family Cordulibellulidae Sroka, Howells & Nel, 2023 †
- Family Corduliidae Selys-Longchamps, 1850
- Family Cratopetaliidae Bechly, 2010 †
- Family Cretapetaluridae Bechly, 1996 †
- Family Cymatophlebiidae Handlirsch, 1906 †
- Family Daohugoulibellulidae Nel & Huang, 2015 †
- Family Devadattidae Dijkstra, Kalkman, Dow, Stokvis & van Tol, 2014
- Family Diphlebiidae
- Family Ditaxineuridae †
- Family Dysagrionidae Cockerell, 1908 †
- Family Engellestidae Felker, 2024 †
- Family Enigmaeshnidae Nel, Neraudeau, Perrichot, Girard & Gomez, 2008 †
- Family Enigmalestidae Nel & Huang, 2021 †
- Family Eolestidae Greenwalt & Bechly, 2014 †
- Family Epallagidae
- Family Epiophlebiidae
- Family Eumorbaeschnidae Bechly et al., 2001 †
- Family Euphaeidae Sélys-Longchamps, 1853
- Family Euthemistidae Pritykina, 1968 †
- Family Frenguelliidae Petrulevičius & Nel, 2003 †
- Family Gallophlebiidae Nel, Fleck, Garcia, Gomez, Ferchaud & Valentin, 2015 †
- Family Gomphaeschnidae Tillyard & Fraser, 1940 †
- Family Gomphidae Rambur, 1842
- Genus Acrogomphus Laidlaw, 1925
- Genus Africogomphidia Carle, 1986
- Genus Africogomphus Fraser, 1936
- Genus Agriogomphus Selys, 1869
- Genus Allogomphus Needham, 1930 accepted as Megalogomphus Campion, 1923
- Genus Alloprogomphus Carle, 1986
- Genus Altaigomphus Bartenef, 1930
- Genus Amphigomphus Chao, 1954
- Genus Anatogomphurus Carle, 1986
- Genus Anisogomphus Selys, 1854
- Genus Anomalophlebia Belle, 1995
- Genus Anormogomphus Selys, 1854
- Genus Antipodogomphus Fraser, 1951
- Genus Aphylla Selys-Longchamps, 1854
- Genus Araripegomphus Nel & Paichele, 1994 †
- Genus Archaeogomphus Williamson, 1919
- Genus Archaeogomphus Lin, 1976 †
- Genus Archaeoprogomphus Carle, 1986
- Genus Arigomphus Needham, 1897
- Genus Armagomphus Carle, 1986
- Genus Asahinagomphus Karube, 2021
- Genus Asiagomphus Asahina, 1985
- Genus Auroradraco Archibald & Cannings, 2019 †
- Genus Austrictinogomphus Fraser, 1940 accepted as Ictinogomphus Cowley, 1934
- Genus Austroarchaeogomphus Carle, 1986
- Genus Austroepigomphus Fraser, 1951
- Genus Austrogomphus Selys, 1854
- Genus Borneogomphus Karube & Sasamoto, 2014
- Genus Brasiliogomphus Belle, 1995
- Genus Burmagomphus Williamson, 1907
- Genus Bursigomphus Martin, 1912
- Genus Cacoides Cowley, 1934
- Genus Cacus Selys, 1854 accepted as Cacoides Cowley, 1934
- Genus Ceratogomphus Selys, 1854
- Genus Cinitogomphus Pinhey, 1964
- Genus Cornigomphus Martin, 1907
- Genus Cratogomphus Bechly, 2010 †
- Genus Crenigomphus Selys, 1892
- Genus Cyanogomphus Selys, 1873
- Genus Cyclogomphus Selys, 1854
- Genus Cyclophocycla Selys, 1854 accepted as Phyllocycla Calvert, 1948
- Genus Cyclophylla Selys, 1854 accepted as Phyllocycla Calvert, 1948
- Genus Davidioides Fraser, 1924
- Genus Davidius Selys, 1878
- Genus Desmogomphus Williamson, 1920
- Genus Diaphlebia Selys, 1854
- Genus Diastatomma Burmeister, 1839
- Genus Dromogomphus Selys, 1854
- Genus Dubitogomphus Fraser, 1940
- Genus Ebegomphus Needham, 1944
- Genus Eogomphus Needham, 1944
- Genus Eoprogomphus Carle, 1986
- Genus Epigomphus Selys, 1854
- Genus Erpetogomphus Selys, 1858
- Genus Eumacrogomphus Carle, 1986
- Genus Fukienogomphus Chao, 1954
- Genus Gomphidia Selys, 1854
- Genus Gomphidictinus Fraser, 1942
- Genus Gomphoides Selys, 1850
- Genus Gomphurus Needham, 1901
- Genus Gomphus Leach, 1815
- Genus Gunterbechlya Huang, Fu & Nel, 2019 †
- Genus Hagenius Selys, 1854
- Genus Hagenoides Carle, 1986
- Genus Heliogomphus Laidlaw, 1922
- Genus Hemigomphus Selys, 1854
- Genus Herpetogomphus Walsh, 1862 accepted as Erpetogomphus Selys, 1858
- Genus Heterogomphus Selys, 1854 accepted as Megalogomphus Campion, 1923
- Genus Huaxiagomphus Hong, 1988 †
- Genus Hylogomphus Needham, Westfall & May, 2000 accepted as Gomphus Leach, 1815
- Genus Hylogomphus Needham, 1951 accepted as Gomphus Leach, 1815
- Genus Hylogomphus Needham & Westfall, 1955 accepted as Gomphus Leach, 1815
- Genus Ictinogomphus Cowley, 1934
- Genus Ictinus Rambur, 1842 accepted as Ictinogomphus Cowley, 1934
- Genus Idiogomphoides Belle, 1984
- Genus Indictinogomphus Fraser, 1939 accepted as Ictinogomphus Cowley, 1934
- Genus Isomma Selys, 1892
- Genus Karschiogomphus Schouteden, 1934
- Genus Labrogomphus Needham, 1931
- Genus Lamelligomphus Fraser, 1922
- Genus Lamellogomphus Fraser, 1923 accepted as Lamelligomphus Fraser, 1922
- Genus Lanthus Needham, 1897
- Genus Lestinogomphus Martin, 1912
- Species Lestinogomphus africanus (Fraser, 1926)
- Species Lestinogomphus angustus Martin, 1912
- Species Lestinogomphus congoensis Cammaerts, 1969
- Species Lestinogomphus matilei Legrand, 2001
- Species Lestinogomphus minutus Gambles, 1968
- Genus Lindenia de Haan in v.d. Hoeven, 1826
- Genus Lobogomphus Chao, 1995
- Genus Macrogomphus Selys, 1857
- Genus Malagassogomphus Cammaerts, 1987
- Genus Mastigogomphus Cammaerts, 2004
- Genus Mattigomphus Karube & Kosterin, 2018
- Genus Megalogomphus Campion, 1923
- Genus Melanocacus Belle, 1986
- Genus Melligomphus Chao in Zhao, 1990
- Genus Merogomphus Martin, 1904
- Genus Mesogomphus Förster, 1906 accepted as Paragomphus Cowley, 1934
- Genus Mesogomphus Handlirsch, 1906 †
- Genus Microgomphus Selys, 1848
- Genus Mitragomphus Needham, 1944
- Genus Nannogomphus Handlirsch, 1906 †
- Genus Neaprogomphus Carle, 1986
- Genus Necrogomphus Campion, 1923
- Genus Neogomphus Selys & Hagen, 1857
- Genus Nepogomphoides Fraser, 1952
- Genus Neurogomphus Karsch, 1890
- Genus Nihonogomphus Oguma, 1926
- Genus Nilogomphus Fraser, 1928
- Genus Notogomphus Selys & Hagen, 1857
- Genus Nychogomphus Carle, 1986
- Genus Octogomphus Selys, 1873
- Genus Odontogomphus Watson, 1991
- Genus Onigogomphus Brauner, 1902 accepted as Onychogomphus Selys, 1854
- Genus Onychogomphus Selys, 1854
- Genus Ophiogomphus Selys, 1854
- Genus Ophionuroides Carle, 1986
- Genus Ophionurus Carle, 1986
- Genus Orcus Needham, 1897 accepted as Arigomphus Needham, 1897
- Genus Orientogomphus Chao in Zhao Xiufu, Chao & Xu Jianfei, 1987
- Genus Paracordulagomphus Bechly, 2010 †
- Genus Paradavidius Chao, 1999
- Genus Paradigma Buchecker, 1876
- Genus Paragomphus Cowley, 1934
- Genus Paralanthus Carle, 1986
- Genus Pauciphlebia Bechly, 2010 †
- Genus Perigomphus Belle, 1972
- Genus Perissogomphus Laidlaw, 1922
- Genus Peruviogomphus Klots, 1944
- Genus Phaenandrogomphus Lieftinck, 1964
- Genus Phanogomphus Carle, 1986
- Genus Phyllocycla Calvert, 1948
- Genus Phyllogomphoides Belle, 1970
- Genus Phyllogomphus Selys, 1854
- Genus Platygomphus Selys, 1854
- Genus Podogomphus Karsch, 1890
- Genus Praeviogomphus Belle, 1995
- Genus Progomphus Selys, 1854
- Genus Pseudohagenius Carle, 1986
- Genus Scalmogomphus Chao in Zhao, 1990
- Genus Shaogomphus Chao, 1984
- Genus Sieboldius Selys, 1854
- Genus Sinictinogomphus Fraser, 1939
- Genus Sinogomphidia Carle, 1986
- Genus Sinogomphus May, 1935
- Genus Sinogomphus Hong, 1982 †
- Genus Siriusonychogomphus Fleck, 2020 accepted as Onychogomphus Selys, 1854
- Genus Stenogomphus Carle, 1986
- Genus Stylogomphus Fraser, 1922
- Genus Stylurus Needham, 1897
- Genus Temnogomphus Laidlaw, 1922
- Genus Thanatophora Selys, 1850
- Genus Tibiagomphus Belle, 1992
- Genus Tragogomphus Sjöstedt, 1899
- Genus Trigomphus Bartenev, 1912
- Genus Yixiangomphus Lin, 1986 †
- Genus Zonophora Selys, 1854
- Family Gomphomacromiidae
- Family Guocorduliidae †
- Family Hageniidae Tillyard & Fraser, 1940 †
- Family Haidilaozhenidae Yang, Ren & Béthoux, 2023 †
- Family Heliocharitidae
- Family Hemeroscopidae Pritykina, 1977 †
- Family Hemicorduliidae
- Family Hemiphlebiidae Tillyard, 1926
- Family Henrotayiidae Fleck, Bechly, Martínez-Delclòs, Jarzembowski, Coram & Nel, 2003 †
- Family Heterophlebiidae †
- Family Hypolestidae
- Family Idionychidae Tillyard & Fraser, 1940 †
- Family Isophlebiidae †
- Family Isostictidae
- Family Italophlebiidae †
- Family Juragomphidae Nel, Bechly, Martinz-Delclos & Fleck, 2001 †
- Family Juraheterophlebiidae Fleck, Bechly, Martínez-Delclòs, Jarzembowski, Coram & Nel, 2003 †
- Family Juralibellulidae Huang & Nel, 2007 †
- Family Kaltanoneuridae †
- Family Karatawiidae †
- Family Kennedyidae Tillyard, 1925 †
- Family Labellulidae
- Family Latibasaliidae Petrulevičius & Nel, 2004 †
- Family Lestidae
- Family Lestoideidae
- Family Liassogomphidae †
- Family Liassophlebiidae Tillyard, 1925 †
- Family Libanoaeshnidae Azar, Maksoud, Abi-Saad & Nel, 2024 †
- Family Libanocorduliidae Azar, Maksoud, Huang & Nel, 2019 †
- Family Libanogomphidae Azar & Nel, 2023 †
- Family Libellaginidae
- Family Libellulidae
- Family Lindeniidae
- Family Liupanshaniidae Bechly et al., 2001 †
- Family Luiseiidae Nel, Bechly, Prokop, Béthoux & Fleck, 2012 †
- Family Macromiidae
- Family Magnathemidae Bechly, 2010 †
- Family Megaphlebiidae Bechly, 2010 †
- Family Megapodagrionidae Calvert, 1913
- Family Megapodogrionidae accepted as Megapodagrionidae Calvert, 1913
- Family Menatlestidae Nel & Jouault, 2022 †
- Family Mesochlorogomphidae Fleck, Nel, Bechly, Delclòs, Jarzembowski & Coram, 2008 †
- Family Mesomegaloprepidae Huang, Azar, Cai, Maksoud, Nel & Bechly, 2017 †
- Family Mesophlebiidae †
- Family Mesuropetalidae Bechly, 1996 †
- Family Mitophlebiidae †
- Family Moltenagrionidae Deregnaucourt, Wappler, Anderson & Béthoux, 2019 †
- Family Nannogomphidae Bechly, 1996 †
- Family Neodonatoptera incertae sedis
- Family Neopetaliidae
- Family Nodalulaidae Lin, Huang & Nel, 2007 †
- Family Odonata (awaiting allocation)
- Family Odonata incertae sedis
- Family Oreopteridae †
- Family Oxygastridae
- Family Palaeomacromiidae Petrulevicius, Nel & Muzón, 1999 †
- Family Paraburmagomphidae Zheng, Jiang, Nel, Jarzembowski, Chang, Zhang & Wang, 2018 †
- Family Paracoryphagrionidae Zheng, Nel & Wang in Zheng et al., 2017 †
- Family Paracymatophlebiidae Bechly et al., 2001 †
- Family Paragonophlebiidae Nel, 2009 †
- Family Parastenophlebiidae Bechly, 2005 †
- Family Perilestidae
- Family Permaeschnidae †
- Family Permagrionidae †
- Family Permepallagidae †
- Family Permolestidae †
- Family Petaluridae Needham, 1903
- Family Piroutetiidae Nel, 1989 †
- Family Platycnemidae accepted as Platycnemididae Yakobson & Bianchi, 1905
- Family Platycnemididae Yakobson & Bianchi, 1905
- Family Platystictidae
- Family Polytaxineuridae †
- Family Polythoridae
- Family Primumaeshnidae Pouillon & Nel, 2020 †
- Family Priscalestidae Wappler & Petrulevičius, 2007 †
- Family Progobiaeshnidae Bechly, Nel, Martínez-Delclòs, Jarzembowski, Coram, Martill, Fleck, Escuillié, Wisshak & Maisch, 2001 †
- Family Progoneuridae Felker, 2024 †
- Family Proterogomphidae Bechly, Nel, Martínez-Delclòs & Fleck, 1998 †
- Family Protohemiphlebiidae Zheng, Jarzembowski & Nel, 2022 †
- Family Protomyrmeleonidae † accepted as Protomyrmeleontidae Handlirsch, 1906 †
- Family Protomyrmeleontidae Handlirsch, 1906 †
- Family Protoneuridae Tillyard, 1917
- Family Protozygoptera incertae sedis †
- Family Pseudocorduliidae
- Family Pseudolestidae
- Family Pseudomacromiidae †
- Family Pseudostenolestidae Garrouste & Nel, 2015 †
- Family Pseudostigmatidae
- Family Selenothemistidae Handlirsch, 1939 †
- Family Sieblosiidae †
- Family Solikamptilonidae †
- Family Sonidae Pritykina, 1986 †
- Family Stenophlebiidae Needham, 1903 †
- Family Synlestidae Tillyard, 1917
- Family Synthemidae
- Family Synthemistidae Tillyard, 1911
- Family Tarsophlebiidae †
- Family Telephlebiidae
- Family Thaumatoneuridae Tillyard & Fraser, 1938 †
- Family Triadophlebiidae †
- Family Triadotypomorpha incertae sedis †
- Family Triassolestidae †
- Family Turanothemistidae †
- Family Urolibellulidae Zeiri, Nel & Garrouste, 2015 †
- Family Urothemistidae
- Family Voltzialestidae Bechly, 1996 †
- Family Whetwhetaksidae Archibald & Cannings, 2021 †
- Family Xamenophlebiidae Pritykina, 1981 †
- Family Zacallitidae Cockerell, 1928 †
- Family Zygophlebiidae †
- Family Zygoptera incertae sedis
- Genus Austrolibellula Petrulevičius & Nel, 2003 †
- Genus Cymatophlebiella Pritykina, 1968 †
- Genus Guyuanaeschnidia Lin, 1982 †
- Genus Jujusia Petrulevičius & Nel, 2002 †
- Genus Nototriadophlebia Béthoux & Anderson, 2023 †
- Genus Palaeaeschna Meunier, 1914 †
- Genus Proaeschna Fritsch, 1905 †
- Genus Promegalestes Petrulevičius & Nel, 2004 †
- 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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