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
- Family Agaonidae Walker, 1848
- Family Agriotypidae
- Family Alavarommatidae Ortega-Blanco, Peñalver, Declòs & Engel, 2011 †
- Family Allommationidae Rosa & Melo, 2021 †
- Family Ammoplanidae Evans, 1959
- Family Ampulicidae Shuckard, 1840
- Family Anaxyelidae Martynov, 1925
- Family Andrenidae Latreille, 1802
- Family Angarosphecidae Rasnitsyn, 1975 †
- Family Anomopterellidae †
- Family Anthophoridae accepted as Apidae Leach, 1815
- Family Aphelinidae
- Family Aphidiidae accepted as Braconidae Latreille, 1829
- Family Apidae Leach, 1815
- Family Apozygidae
- Family Aptenoperissidae Rasnitsyn & Poinar in Rasnitsyn, Poinar & Brown, 2017 †
- Family Archaeocynipidae †
- Family Archaeoserphitidae Engel, 2015 †
- Family Argidae Konow, 1890
- Family Armaniidae †
- Family Aulacidae Shuckard, 1842
- Family Austroniidae
- Family Baissidae Rasnitsyn, 1975 †
- Family Baissodidae †
- Family Bethylidae Haliday, 1839
- Family Bethylonymidae †
- Family Blasticotomidae Thomson, 1871
- Family Braconidae Latreille, 1829
- Family Bradynobaenidae
- Family Bryopompilidae Rodriguez, Waichert, von Dohlen, Poinar & Pitts, 2016 †
- Family Burmasphecidae Melo & Rosa, 2023 †
- Family Burmorussidae Zhang, Kopylov & Rasnitsyn in Zhang et al., 2020 †
- Family Burmusculidae Zhang & Rasnitsyn in Zhang et al., 2018 †
- Family Caradiophyodidae Poinar & Vega, 2023 †
- Family Cephidae Newman, 1834
- Family Ceraphronidae
- Family Chalcididae
- Family Charipidae
- Family Chrysidae accepted as Chrysididae Latreille, 1802
- Family Chrysididae Latreille, 1802
- Family Chrysobythidae Melo & Lucena, 2019 †
- Family Chrysopsenellidae Lepeco & Melo, 2023 †
- Family Chysididae accepted as Chrysididae Latreille, 1802
- Family Cimbicidae Kirby, 1837
- Family Cirrosphecidae Antropov, 2000 †
- Family Colletidae Lepeletier, 1841
- Family Crabronidae Latreille, 1802
- Family Cretacoformicidae Rasnitsyn & Öhm-Kühnle, 2019 †
- Family Cretevaniidae †
- Family Cynipidae Latreille, 1802
- Family Daohugoidae Rasnitsyn & Zhang, 2004 † accepted as Xyelidae Newman, 1834
- Family Diapriidae Haliday, 1833
- Family Diprionidae Rohwer, 1910
- Family Dipterommatidae Rasnitsyn, Sidorchuk, Zhang & Zhang, 2019 †
- Family Discoscapidae Poinar, 2020 † accepted as Crabronidae Latreille, 1802
- Family Diversinitidae Haas, Burks & Krogmann, 2018 †
- Family Dryinidae Haliday, 1833
- Family Elasmidae
- Family Electrotomidae †
- Family Embolemidae
- Family Encyrtidae Walker, 1837
- Family Eoichneumonidae †
- Family Ephialtitidae †
- Family Eucharidae accepted as Eucharitidae
- Family Eucharitidae
- Family Eucoilidae
- Family Eulophidae Westwood, 1829
- Family Eumenidae Leach, 1815 accepted as Vespidae Leach, 1815
- Family Eupelmidae
- Family Eurytomidae
- Family Evaniidae Latreille, 1802
- Family Falsiformicidae Rasnitsyn, 1975 †
- Family Figitidae
- Family Formicidae Latreille, 1802
- Family Gallorommatidae Gibson, Read & Huber, 2007 †
- Family Gasteruptiidae
- Family Gerocynipidae Liu & Engel in Liu, Engel & Grimaldi, 2007 †
- Family Gigasiricidae Rasnitsyn, 1968 † accepted as Siricidae Billberg, 1820
- Family Halictidae Thomson, 1869
- Family Heloridae Förster, 1856
- Family Heterogynaidae Nagy, 1969
- Family Hymenoptera (awaiting allocation)
- Family Ibaliidae
- Family Ichneumonidae Latreille, 1802
- Family Ichneumonomimidae †
- Family Iscopinidae
- Family Ismaridae Thomson, 1858
- Family Jurapriidae †
- Family Karatavitidae Rasnitsyn, 1963 †
- Family Kislevidae Argaman, 2002 †
- Family Kuafuidae Rasnitsyn & Zhang, 2010 †
- Family Larridae
- Family Leptoomidae Gibson & Fusu, 2023 †
- Family Leucospidae
- Family Liopteridae
- Family Loboscelidiidae accepted as Chrysididae Latreille, 1802
- Family Maamingidae
- Family Maimetshidae Rasnitsyn, 1975 †
- Family Masaridae accepted as Vespidae Leach, 1815
- Family Megachilidae Schenk, 1860
- Family Megalodontesidae Konow, 1897
- Family Megalodontidae Konow, 1897 accepted as Megalodontesidae Konow, 1897
- Family Megalyridae Schletterer, 1889
- Family Megaspilidae
- Family Megastigmidae Thomson, 1876
- Family Melittidae Schenk, 1860
- Family Mesoserphidae Kozlov, 1970 †
- Family Mirolydidae Wang, Rasnitsyn & Ren in Wang et al., 2017 †
- Family Monomachidae
- Family Mutillidae Latreille, 1802
- Family Myanmarinidae Zhang & Rasnitsyn in Zhang et al., 2018 †
- Family Mymaridae Haliday, 1833
- Genus Acanthomymar Subba Rao, 1970 accepted as Palaeoneura Waterhouse, 1915
- Genus Acmopolynema Ogloblin, 1946
- Genus Acmotemnus Noyes & Valentine, 1989
- Genus Agalmopolynema Ogloblin, 1960
- Genus Agonatocerus Girault, 1913 accepted as Lymaenon Walker, 1846
- Genus Alaptus Westwood, 1839
- Genus Allanagrus Noyes & Valentine, 1989
- Genus Allapus Poutiers, 1928 accepted as Alaptus Westwood, 1839
- Genus Allarescon Noyes & Valentine, 1989
- Genus Allomymar Kieffer, 1913
- Genus Anagrella Bakkendorf, 1962 accepted as Anagrus Haliday, 1833
- Genus Anagroidea Girault, 1915
- Genus Anagrus Haliday, 1833
- Genus Anaphes Haliday, 1833
- Genus Anaphoidea Girault, 1909 accepted as Anaphes Haliday, 1833
- Genus Anaphoides Enock, 1915 accepted as Anaphes Haliday, 1833
- Genus Anaphoidia
- Genus Anneckia Subba Rao, 1970
- Genus Anthemiella Girault, 1911 accepted as Erythmelus Enock, 1909
- Genus Antoniella Soyka, 1950 accepted as Anaphes Haliday, 1833
- Genus Apoxypteron Noyes & Valentine, 1989
- Genus Arescon Walker, 1846
- Genus Australomymar Girault, 1929
- Genus Austranaphes Ogloblin, 1962 accepted as Anaphes Haliday, 1833
- Genus Baburia Hedqvist, 2004 accepted as Acmopolynema Ogloblin, 1946
- Genus Bakkendorfia Mathot, 1966 accepted as Cleruchus Enock, 1909
- Genus Barypolynema Ogloblin, 1946 accepted as Polynema Haliday, 1833
- Genus Boccacciomymar Triapitsyn & Berezovskiy, 2007
- Genus Borneomymar Huber, 2002
- Genus Boudiennyia
- Genus Bruchomymar Ogloblin, 1939 accepted as Neomymar Crawford, 1913
- Genus Caenomymar Yoshimoto, 1990 accepted as Omyomymar Schauff, 1983
- Genus Callitriche Agassiz, 1846 accepted as Eutriche Nees, 1834
- Genus Callodicopus Ogloblin, 1955
- Genus Camptoptera Förster, 1856
- Genus Camptopteroides Viggiani, 1974
- Genus Camptotera
- Genus Caraphractus Walker, 1846
- Genus Caraphtactis
- Genus Carpenteriana Yoshimoto, 1975
- Genus Ceratanaphes Noyes & Valentine, 1989
- Genus Chaetomymar Ogloblin, 1946 accepted as Palaeoneura Waterhouse, 1915
- Genus Chromodicopus Ogloblin, 1955 accepted as Dicopomorpha Ogloblin, 1955
- Genus Chrysoctonus Mathot, 1966
- Genus Cleruchoides Lin & Huber, 2007
- Genus Cleruchus Enock, 1909
- Genus Clinomymar Kieffer, 1913 accepted as Anaphes Haliday, 1833
- Genus Cnecomymar Ogloblin, 1963
- Genus Conatocerus
- Genus Congolia Ghesquière, 1942 accepted as Camptoptera Förster, 1856
- Genus Cosmocoma Förster, 1856 accepted as Polynema Haliday, 1833
- Genus Cosmocomoidea Howard, 1908
- Genus Cosmocomopsis Huber, 2015
- Genus Cosmosoma Gahan & Fagan, 1923 accepted as Cosmocoma Förster, 1856
- Genus Cremnomymar Ogloblin, 1952
- Genus Cybomymar Noyes & Valentine, 1989
- Genus Dahmsia Doutt, 1975 accepted as Anagroidea Girault, 1915
- Genus Decamymar Annecke, 1961 accepted as Callodicopus Ogloblin, 1955
- Genus Decarthrius Debauche, 1949 accepted as Lymaenon Walker, 1846
- Genus Dicopomorpha Ogloblin, 1955
- Genus Dicopulus Ogloblin, 1956 accepted as Dicopomorpha Ogloblin, 1955
- Genus Dicopus Enock, 1909
- Genus Doriclytus Förster, 1847 accepted as Polynema Haliday, 1833
- Genus Dorya Noyes & Valentine, 1989
- Genus Doryclytus Dalla Torre, 1898 accepted as Doriclytus Förster, 1847
- Genus Dorypolynema Hayat & Anis, 1999 accepted as Polynema Haliday, 1833
- Genus Doutiella Annecke, 1961 accepted as Douttiella Annecke, 1961
- Genus Douttiella Annecke, 1961 accepted as Cleruchus Enock, 1909
- Genus Enaesius Enock, 1909 accepted as Erythmelus Enock, 1909
- Genus Entrichopteris Yoshimoto, 1990
- Genus Eoanaphes Huber in Huber & Greenwalt, 2011 †
- Genus Eoeustochus Huber in Huber & Greenwalt, 2011 †
- Genus Eofoersteria Mathot, 1966 accepted as Camptoptera Förster, 1856
- Genus Eomymar Perkins, 1912 accepted as Camptoptera Förster, 1856
- Genus Eotriadomeroides Huber, 2023 †
- Genus Erythmelellus Viggiani & Jesu, 1985 accepted as Erythmelus Enock, 1909
- Genus Erythmelus Enock, 1909
- Genus Eubroncus Yoshimoto, Kozlov & Tryapitsyn, 1972
- Genus Eucleruchus Ogloblin, 1940 accepted as Cleruchus Enock, 1909
- Genus Eurythmelus Ogloblin, 1934 accepted as Erythmelus Enock, 1909
- Genus Eustephanodes Ogloblin, 1968 accepted as Stephanodes Enock, 1909
- Genus Eustochomorpha Girault, 1915
- Genus Eustochus Haliday, 1833
- Genus Eutriche Nees, 1834 accepted as Polynema Haliday, 1833
- Genus Ferrierella Soyka, 1946 accepted as Anaphes Haliday, 1833
- Genus Flabrinus Rondani, 1877 accepted as Anaphes Haliday, 1833
- Genus Floripolynema Triapitsyn & Berezovskiy, 2002 accepted as Kalopolynema Ogloblin, 1960
- Genus Formicomymar Yoshimoto, 1990 accepted as Polynema Haliday, 1833
- Genus Fulmekiella Soyka, 1946 accepted as Anaphes Haliday, 1833
- Genus Gahanopsis Ogloblin, 1946
- Genus Ganomymar De Santis, 1972
- Genus Gastrogonatocerus Ogloblin, 1935
- Genus Gonatoceroides Girault, 1913 accepted as Gonatocerus Nees, 1834
- Genus Gonatocerus Nees, 1834
- Genus Grangeriella Soyka, 1956 accepted as Acmopolynema Ogloblin, 1946
- Genus Hadromymar Yoshimoto, 1990 accepted as Stephanocampta Mathot, 1966
- Genus Haplochaeta Noyes & Valentine, 1989 accepted as Cleruchus Enock, 1909
- Genus Heptagonatocerus Huber, 2015
- Genus Herulia Hedqvist, 1962 accepted as Macrocamptoptera Girault, 1910
- Genus Himopolynema Taguchi, 1977 †
- Genus Hofenederia Soyka, 1946 accepted as Anaphes Haliday, 1833
- Genus Idiocentrus Gahan, 1927 accepted as Paranaphoidea Girault, 1913
- Genus Ilabrinus Girault, 1914
- Genus Ischiodasys Noyes & Valentine, 1989
- Genus Kalopolynema Ogloblin, 1960
- Genus Kikiki Huber & Beardsley, 2000
- Genus Kompsomymar Lin & Huber, 2007
- Genus Krokella Huber, 1993
- Genus Kubja Subba Rao, 1984 accepted as Dicopus Enock, 1909
- Genus Kyushumymar Triapitsyn, 2021 accepted as Omyomymar Schauff, 1983
- Genus Leimacis Förster, 1847 accepted as Arescon Walker, 1846
- Genus Limacis Förster, 1856 accepted as Leimacis Förster, 1847
- Species Limacis aspidioticola (Ashmead, 1879) accepted as Arescon aspidioticola (Ashmead, 1879)
- Species Limacis dimidiata (Curtis, 1832) accepted as Arescon dimidiata (Curtis, 1832)
- Genus Litus Haliday, 1833
- Genus Lymaenon Walker, 1846
- Genus Lytus Blanchard, 1840 accepted as Litus Haliday, 1833
- Genus Macalpinia Yoshimoto, 1975 †
- Genus Macrocamptoptera Girault, 1910
- Genus Maidiella
- Genus Maidliella Soyka, 1946 accepted as Polynema Haliday, 1833
- Genus Malfattia Meunier, 1901 † accepted as Litus Haliday, 1833
- Genus Mariella Soyka, 1950 accepted as Anaphes Haliday, 1833
- Genus Masonana Yoshimoto, 1990 accepted as Stephanodes Enock, 1909
- Genus Megamymar Huber, 2022
- Genus Metalaptus Malenotti, 1917 accepted as Alaptus Westwood, 1839
- Genus Metanthemus Girault, 1928
- Genus Mimalaptus Noyes & Valentine, 1989
- Genus Myanmymar Huber in Poinar & Huber, 2011 †
- Genus Mymar Curtis, 1829
- Genus Mymar Walker in Curtis, 1832 accepted as Mymar Curtis, 1829
- Genus Mymarilla Westwood, 1879
- Genus Mymax Blanchard, 1840 accepted as Mymar Curtis, 1829
- Genus Myrmar
- Genus Myrmecomymar Yoshimoto, 1990 accepted as Chrysoctonus Mathot, 1966
- Genus Narayana Subba Rao, 1976 †
- Genus Narayanella Subba Rao, 1976 †
- Genus Neolitiscus Ghesquière, 1946 accepted as Litus Haliday, 1833
- Genus Neolitus Ogloblin, 1935 accepted as Litus Haliday, 1833
- Genus Neomymar Crawford, 1913
- Genus Neonarayanella Husain & Farooqi, 1996 accepted as Acmopolynema Ogloblin, 1946
- Genus Neopolynemoidea Huber, 2022
- Genus Neostethynium Ogloblin, 1964
- Genus Neotriadomerus Huber, 2017
- Genus Nepolynema Triapitsyn, 2014
- Genus Neserythmelus Noyes & Valentine, 1989
- Genus Nesetaerus Doutt, 1955 accepted as Australomymar Girault, 1929
- Genus Nesomymar Valentine, 1971
- Genus Nesopatasson Valentine, 1971
- Genus Nesopolynema Ogloblin, 1952
- Genus Neurotes Enock, 1914 accepted as Arescon Walker, 1846
- Genus Notomymar Doutt & Yoshimoto, 1970
- Genus Notopolynema Ogloblin, 1960 accepted as Polynema Haliday, 1833
- Genus Novickyella Soyka, 1946 accepted as Polynema Haliday, 1833
- Genus Octomicromeris Huber, 2015
- Genus Oglobliniella Soyka, 1946 accepted as Mymar Curtis, 1829
- Genus Omyomymar Schauff, 1983
- Genus Oncomymar Ogloblin, 1957
- Genus Ooctonus Haliday, 1833
- Genus Oophilus Enock, 1909 accepted as Lymaenon Walker, 1846
- Genus Packardiella Ashmead, 1904 accepted as Pteratomus Packard, 1866
- Genus Palaeoneura Waterhouse, 1915
- Genus Palaeopatasson Witsack, 1986 †
- Genus Panthus Walker, 1846 accepted as Patasson Walker, 1846
- Genus Paracleruchus Yoshimoto, 1971 accepted as Cleruchus Enock, 1909
- Genus Paracmotemnus Noyes & Valentine, 1989
- Genus Parallelaptera Enock, 1909 accepted as Erythmelus Enock, 1909
- Genus Paranagroidea Noyes & Valentine, 1989
- Genus Paranagrus Perkins, 1905 accepted as Anagrus Haliday, 1833
- Genus Paranaphoidea Girault, 1913
- Genus Parapolynema Fidalgo, 1982 accepted as Cremnomymar Ogloblin, 1952
- Genus Parastethynium Lin & Huber, 2007
- Genus Parvulinus García Mercet, 1912 accepted as Alaptus Westwood, 1839
- Genus Patasson Walker, 1846 accepted as Anaphes Haliday, 1833
- Genus Platyfrons Yoshimoto, 1990
- Genus Platypatasson Ogloblin, 1946 accepted as Platystethynium Ogloblin, 1946
- Genus Platypolynema Ogloblin, 1960
- Genus Platystethynium Ogloblin, 1946
- Genus Polynema Haliday, 1833
- Genus Polynemoidea Girault, 1913
- Genus Polynemula Ogloblin, 1968
- Genus Porcepicus Huber, 2022
- Genus Prionaphes Hincks, 1961
- Genus Proarescon Huber, 2017
- Genus Prosto Triapitsyn & Berezovskiy, 2007 † accepted as Boccacciomymar Triapitsyn & Berezovskiy, 2007
- Genus Protooctonus Yoshimoto, 1975 †
- Genus Pseudanaphes Noyes & Valentine, 1989
- Genus Pseudocleruchus Donev & Huber, 2002 accepted as Platystethynium Ogloblin, 1946
- Genus Pteratomus Packard, 1866 accepted as Anagrus Haliday, 1833
- Genus Pteroclisis Förster, 1856 accepted as Camptoptera Förster, 1856
- Genus Pterolinononyketra Malac, 1943 accepted as Mymar Curtis, 1829
- Genus Ptilomymar Annecke & Doutt, 1961
- Genus Rachistus Förster, 1847 accepted as Lymaenon Walker, 1846
- Genus Restisoma Yoshimoto, 1990 accepted as Polynema Haliday, 1833
- Genus Rhachistus Dalla Torre, 1898 accepted as Rachistus Förster, 1847
- Genus Rhila Donev, 1989 accepted as Macrocamptoptera Girault, 1910
- Genus Richteria Girault, 1920
- Genus Schizophragma Ogloblin, 1949 †
- Genus Scleromymar Noyes & Valentine, 1989
- Genus Scolopsopteron Ogloblin, 1952
- Genus Selenaeus Waterhouse, 1915 accepted as Polynemoidea Girault, 1913
- Genus Sphecomicrus Walker, 1846 accepted as Ooctonus Haliday, 1833
- Genus Sphegilla Debauche, 1948 accepted as Camptoptera Förster, 1856
- Genus Stammeriella Soyka, 1950 accepted as Anaphes Haliday, 1833
- Genus Staneria Mathot, 1966 accepted as Camptoptera Förster, 1856
- Genus Steganogaster Noyes & Valentine, 1989
- Genus Stenomymar Ogloblin, 1968
- Genus Stenopteromymar Ferrière, 1952 accepted as Cleruchus Enock, 1909
- Genus Stephanocampta Mathot, 1966
- Genus Stephanodes Enock, 1909
- Genus Stethynium Enock, 1909
- Genus Stichothrix Förster, 1856 accepted as Camptoptera Förster, 1856
- Genus Stomarotrum Yoshimoto, Kozlov & Tryapitsyn, 1972 accepted as Eubroncus Yoshimoto, Kozlov & Tryapitsyn, 1972
- Genus Synanaphes Soyka, 1946 accepted as Anaphes Haliday, 1833
- Genus Tanaomymar Annecke & Doutt, 1961
- Genus Tanyostethium Yoshimoto, 1990
- Genus Tanyxiphium Huber, 2015
- Genus Tarphypolynema Ogloblin, 1960 accepted as Palaeoneura Waterhouse, 1915
- Genus Tetrapolynema Ogloblin, 1946
- Genus Tinkerbella Huber & Noyes, 2013
- Genus Triadomerus Yoshimoto, 1975 †
- Genus Valkerella Westwood, 1879 accepted as Caraphractus Walker, 1846
- Genus Vladimir Triapitsyn, 2013
- Genus Walkerella Dalla Torre, 1898 accepted as Valkerella Westwood, 1879
- Genus Wertanekiella Soyka, 1961 accepted as Camptoptera Förster, 1856
- Genus Xenomymar Crawford, 1913 accepted as Arescon Walker, 1846
- Genus Xenopolynema Ogloblin, 1960
- Genus Yungaburra Girault, 1933 accepted as Anaphes Haliday, 1833
- Genus Zelanaphes Noyes & Valentine, 1989
- Genus Zemicamptoptera Ogloblin & Annecke, 1961 accepted as Camptoptera Förster, 1856
- Genus Zeyanus Huber, 2015
- Family Mymarommatidae
- Family Myrmiciidae Maa, 1949 † accepted as Pseudosiricidae Handlirsch, 1906 †
- Family Nyssonidae
- Family Ohlhoffiidae Jouault, Rasnitsyn & Perrichot, 2020 †
- Family Ormyridae
- Family Orussidae Newman, 1834
- Family Orussoidea incertae sedis †
- Family Othniodellithidae Engel & Huang in Engel et al., 2016 †
- Family Oxaeidae
- Family Pamphiliidae Cameron, 1890
- Family Panguidae Li, Rasnitsyn, Shih & Ren, 2019 †
- Family Parapamphiliidae Rasnitsyn, 1968 † accepted as Sepulcidae Rasnitsyn, 1968 †
- Family Pararchexyelidae Rasnitsyn, 1968 †
- Family Paroryssidae Martynov, 1925 †
- Family Pelecinidae Haliday, 1840
- Family Pelecinopteridae †
- Family Peleserphidae Zhang, Rasnitsyn, Wang & Zhang, 2018 †
- Family Pemphredonidae Dahlbom, 1835
- Family Peradeniidae
- Family Pergidae Rohwer, 1911
- Family Perilampidae Latreille, 1809
- Family Platygasteridae accepted as Platygastridae Haliday, 1833
- Family Platygastridae Haliday, 1833
- Family Plumalexiidae Brothers, 2011 †
- Family Plumariidae
- Family Pompilidae Latreille, 1804
- Family Praeaulacidae Rasnitsyn, 1972 †
- Family Praeichneumonidae †
- Family Praesiricidae Rasnitsyn, 1968 † accepted as Megalodontesidae Konow, 1897
- Family Proctotrupidae
- Family Proctotrupomorpha incertae sedis †
- Family Protimaspidae Liu & Engel, 2007 †
- Family Protoitidae Ulmer & Krogmann, 2023 †
- Family Protosiricidae Rasnitsyn & Zhang, 2004 †
- Family Pseudosiricidae Handlirsch, 1906 †
- Family Pteromalidae Dalman, 1820
- Family Radiophronidae Ortega-Blanco, Rasnitsyn & Delclòs, 2010 †
- Family Rasnitsyniidae
- Family Rhopalosomatidae Ashmead, 1896
- Family Roproniidae
- Family Rotoitidae Bouček & Noyes, 1987
- Family Sapygidae
- Family Scelionidae Thomson, 1858
- Family Sclerogibbidae Ashmead, 1902
- Family Scolebythidae
- Family Scoliidae Leach, 1815
- Family Sepulcidae Rasnitsyn, 1968 †
- Family Serphidae
- Family Serphitidae Brues, 1937 †
- Family Sierolomorphidae Brues & Melander, 1932
- Family Signiphoridae
- Family Sinosiricidae Hong, 1975 †
- Family Siricidae Billberg, 1820
- Family Spathiopterygidae Engel & Ortega-Blanco, 2013 †
- Family Sphecidae Latreille, 1802
- Family Spheciellidae Rosa & Melo, 2021 †
- Family Sphecomyrmidae †
- Family Sphegidae
- Family Stenotritidae Cockerell, 1934
- Family Stephanidae Leach, 1815
- Family Stigmaphronidae †
- Family Syntexidae Benson, 1935 accepted as Anaxyelidae Martynov, 1925
- Family Syspastoxyelidae Engel & Huang in Engel et al., 2016 †
- Family Tanaostigmatidae
- Family Temnogynidae Rosa & Melo, 2024 †
- Family Tenthredinidae Latreille, 1804
- Family Tenthredinoidea incertae sedis
- Family Tenthrenidae accepted as Tenthredinidae Latreille, 1804
- Family Tetracampidae Förster, 1856
- Family Thynnidae
- Family Thysanidae Peck, 1951 accepted as Signiphoridae
- Family Tiphiidae Leach, 1815
- Family Torymidae Walker, 1833
- Family Trichogrammatidae Haliday, 1851
- Family Trifionychidae Lepeco & Melo, 2022 †
- Family Trigonalidae accepted as Trigonalyidae
- Family Trigonalyidae
- Family Vanhorniidae
- Family Vespidae Leach, 1815
- Family Xiphydriidae Leach, 1815
- Family Xyelidae Newman, 1834
- Family Xyelididae † accepted as Xyelydidae Rasnitsyn, 1968 †
- Family Xyelotomidae Rasnitsyn, 1968 † accepted as Blasticotomidae Thomson, 1871
- Family Xyelydidae Rasnitsyn, 1968 †
- Family Xylocopidae
- Family Zenargidae Rohwer, 1918
- Genus Aspidopleura Gibson, 2009 †
- Genus Camelosphecia Boudinot, Perrichot & Chaul, 2020 †
- Genus Cratoenigma Krogmann & Nel, 2012 †
- Genus Minutoma Kaddumi, 2005 †
- Genus Sinanxyela Hong, 1982 †
- Genus Thagyaminobythus Rosse-Guillevic, Jouault & Brazidec, 2023
- 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
- 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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