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
- Genus Acanthocalcis Schmiedeknecht, 1909 accepted as Acanthochalcis Cameron, 1884
- Genus Acanthochalcis Cameron, 1884
- Genus Acrocentrus Steffan, 1959
- Genus Allocentrus Cameron, 1911
- Genus Allochalcis Kieffer, 1905
- Genus Ammeia Delucchi, 1962
- Genus Anachalcis Steffan, 1951
- Genus Anacryptua Ashmead, 1904 accepted as Epitranus Walker, 1834
- Genus Anacryptus Kirby, 1883 accepted as Epitranus Walker, 1834
- Genus Anastatimorpha Erdös, 1957
- Genus Anickia
- Genus Annacryptoides
- Genus Anoplochalcidia Steffan, 1951
- Genus Anthrocephalus Schmiedeknecht, 1909 accepted as Antrocephalus Kirby, 1883
- Genus Antigaster Walsh & Riley, 1869
- Genus Antigastra Dalla Torre, 1898
- Genus Antrocephalus Kirby, 1883
- Genus Antrochalcis Kieffer, 1910
- Genus Aphasganophora Nikol'skaya, 1952
- Genus Aplorhinus Masi, 1924
- Genus Arachnophaga Ashmead, 1896
- Genus Ardilea Graham, 1959
- Genus Argaleostatus Gibson, 1995
- Genus Arretocera Kirby, 1883 accepted as Epitranus Walker, 1834
- Genus Arretoceroidella Girault, 1913
- Genus Arretoceroides Girault, 1915 accepted as Nearretocera Girault, 1913
- Genus Arthrocephalus accepted as Antrocephalus Kirby, 1883
- Genus Aspirhina Kirby, 1883
- Genus Aspirrhina Kirby, 1883
- Genus Australochalcis Girault, 1939
- Genus Australoodera Girault, 1922
- Genus Australoödera Girault, 1922 accepted as Australoodera Girault, 1922
- Genus Bactrochalcis Kieffer, 1912 accepted as Trigonura Sichel, 1866
- Genus Basilewskyella Risbec, 1957 accepted as Sphegigaster Spinola, 1811
- Genus Belaspidia Masi, 1916
- Genus Blascoa Askew in Askew & Blasco-Zumeta, 1997
- Genus Boucekina Szelenyi, 1974
- Genus Brachepitelia Girault, 1913
- Genus Brachimeria
- Genus Brachymeria Westwood in Stephens, 1829
- Genus Brasema Cameron, 1884
- Genus Brasemopsis Brèthes, 1913
- Genus Bruchophagus Ashmead, 1888
- Genus Bucekia Steffan, 1951
- Genus Burksilampus Boucek, 1978
- Genus Caenobrachymeria Steffan, 1974
- Genus Callimerismus Graham, 1956
- Genus Calymmochilus Masi, 1919
- Genus Centrochalcidea Gahan & Fagan, 1923 accepted as Trigonura Sichel, 1866
- Genus Centrochalcis Cameron, 1913 accepted as Trigonura Sichel, 1866
- Genus Cephalochalcidia Nikol'skaya, 1960
- Genus Cerachalcis Masi, 1944
- Genus Ceratetra Dzhanokmen, 1974
- Genus Ceratosmicra Ashmead, 1904
- Genus Cerochalcis
- Genus Cervicosus Gibson, 1995
- Genus Cerycium Erdos, 1946
- Genus Ceyxia Girault, 1911
- Genus Chalcidellia Girault, 1924 accepted as Trigonura Sichel, 1866
- Genus Chalcidiopsis Masi, 1933
- Genus Chalcinus Rafinesque, 1815 accepted as Chalcis Fabricius, 1787
- Genus Chalcis Fabricius, 1787
- Genus Chalcitella Westwood, 1835 accepted as Epitranus Walker, 1834
- Genus Chalcitelloides Girault, 1914 accepted as Epitranus Walker, 1834
- Genus Chirocera Latreille, 1827
- Genus Chirocerus Brullé in Lepeletier, 1846 accepted as Chirocera Latreille, 1827
- Genus Chontalia Schulz, 1906 accepted as Hontalia Cameron, 1884
- Genus Coelochalcis Cameron, 1904
- Genus Coelops Kriechbaumer, 1894
- Genus Collentis Heydon in Heydon & Boucek, 1992
- Genus Conura Spinola, 1837
- Genus Corumbichalcis Delvare, 1992
- Genus Coryptilus Gibson, 1995
- Genus Cratocentrus Cameron, 1907
- Genus Descampsia Risbec, 1955
- Genus Dilla Strand, 1911 accepted as Antrocephalus Kirby, 1883
- Genus Dillisca Ghesquière, 1946 accepted as Antrocephalus Kirby, 1883
- Genus Diplodontia Ashmead, 1888
- Genus Dirhinoides Masi, 1947
- Genus Dirhinus Dalman, 1818
- Genus Dirrhinoidea Girault, 1912
- Genus Dirrhinomorpha Girault & Dodd, 1915
- Genus Dirrhinus Dalman, 1823 accepted as Dirhinus Dalman, 1818
- Genus Drailea Huang, 1992
- Genus Dromochalcidia Masi, 1929
- Genus Ecnomocephala Gibson, 1995
- Genus Ecuada Boucek, 1992
- Genus Encyrtarpis da Costa Lima, 1919
- Genus Encyrtaspis Ashmead, 1904
- Genus Eniaca Kirby, 1883
- Genus Eniacella Girault, 1913
- Genus Eniacomorpha Girault, 1915
- Genus Enneasmicra Ashmead, 1904
- Genus Epinaeus Kirby, 1883
- Genus Epitelia Kirby, 1883
- Genus Epitranus Walker, 1834
- Genus Eterochalcis Burks, 1939
- Genus Eucepsis Steffan, 1953
- Genus Euchalcidia Masi, 1929
- Genus Euchalcidiella Masi, 1929
- Genus Eugastrochalcis Masi, 1929
- Genus Eurycentrus Cameron, 1907
- Genus Eusayia Ashmead, 1904
- Genus Eustypiura Ashmead, 1904
- Genus Gahanula Burks, 1960 accepted as Brachymeria Westwood in Stephens, 1829
- Genus Grisselliella Narendran, 1988
- Genus Halsteadium Boucek, 1992
- Genus Halticella Stephens, 1829 accepted as Haltichella Spinola, 1811
- Genus Haltichella Spinola, 1811
- Genus Haltichellodes Steffan, 1955 accepted as Haltichella Spinola, 1811
- Genus Harmolita Motschoulsky, 1863
- Genus Hastius Schmitz, 1946
- Genus Haticella
- Genus Hayatiella Narendran, 1989
- Genus Heptasmicra Ashmead, 1904
- Genus Heptasmiera Ashmead, 1904
- Genus Hexachalcis Cameron, 1911 accepted as Megalocolus Kirby, 1883
- Genus Hexasmicra Ashmead, 1904
- Genus Heydoniella Narendran, 2003
- Genus Hippota Walker, 1871 accepted as Chirocera Latreille, 1827
- Genus Holochalcis Kieffer, 1905 accepted as Brachymeria Westwood in Stephens, 1829
- Genus Hontalia Cameron, 1884
- Genus Hoozania Masi, 1932
- Genus Hovachalcis Steffan, 1949
- Genus Hybothorax Ratzeburg, 1844
- Genus Hyperchalcidia Steffan, 1951
- Genus Idoleupelmus Ashmead, 1896
- Genus Indoinvreia Roy & Farooqi, 1984
- Genus Iniaca
- Genus Invreia Masi, 1929
- Genus Irichohalticella Cameron, 1912
- Genus Irichohaltichella
- Genus Kopinata Boucek, 1988
- Genus Kratoysma Boucek, 1965
- Genus Kriechbaumerella Dalla Torre, 1897
- Genus Lamoundella Shafee & Dutt, 1986 accepted as Epitranus Walker, 1834
- Genus Lampretatus Walker, 1843 accepted as Lamprotatus Westwood, 1833
- Genus Lamprotatus Westwood, 1833
- Genus Larradamorpha Dalla Torre, 1898
- Genus Larradomorpha Stadelmann, 1892
- Genus Lasiochalcidia Masi, 1929
- Genus Lepidochalcis Nikol'skaya, 1952
- Genus Leptochalcis Kieffer, 1905
- Genus Macreupelmus Ashmead, 1896
- Genus Macrochalcis Masi, 1944
- Genus Malambrunia Masi, 1929
- Genus Marres Walker, 1841
- Genus Matsumurameria Habu, 1960 accepted as Brachymeria Westwood in Stephens, 1829
- Genus Megachalcis Cameron, 1903
- Genus Megachilochalcis Girault, 1915
- Genus Megacolus Cameron, 1903 accepted as Megalocolus Kirby, 1883
- Genus Megalocolus Kirby, 1883
- Genus Melanosmicra Ashmead, 1904
- Genus Mercetina Bolivar y Pieltain, 1934
- Genus Merismus Walker, 1833
- Genus Mesocomys Cameron, 1905
- Genus Metadontia Ashmead, 1888
- Genus Metaplopoda Masi, 1926 accepted as Neanastatus Girault, 1913
- Genus Metarretocera Girault, 1927
- Genus Meyeriella Krausse, 1917
- Genus Microchalcis Kieffer, 1905 accepted as Haltichella Spinola, 1811
- Genus Mirochalcis Girault, 1915
- Genus Mischochalcis Ranjith, Priyadarsanan & Delvare, 2022
- Genus Mischosmicra Ashmead, 1904
- Genus Misocharis Dalla Torre, 1898
- Genus Misochoris Rondani, 1874
- Genus Misocoris Rondani, 1877
- Genus Mixochalcis Blanchard, 1935
- Genus Muhabbetella Koçak & Kemal, 2008
- Genus Neanastatus Girault, 1913
- Genus Nearretocera Girault, 1913
- Genus Neoanacryptus Girault, 1913 accepted as Epitranus Walker, 1834
- Genus Neoanacrytpus
- Genus Neobrachymeria Masi, 1929
- Genus Neochalcidia Husain, Rauf & Kudeshia, 1985 accepted as Proconura Dodd, 1915
- Genus Neochalcis Kirby, 1883
- Genus Neohaltichella Narendran, 1989
- Genus Neohybothorax Nikol'skaya, 1960
- Genus Neoirichohalticella Narendran, 2006
- Genus Neokopinata Narendran, 2003
- Genus Neophasganophora Masi, 1942
- Genus Neostomatoceras Girault, 1920
- Genus Neotainania Husain & Agarwal, 1982 accepted as Uga Girault, 1930
- Genus Nipponochalcidia Habu, 1976
- Genus Notaspidiella Boucek, 1988
- Genus Notaspidium Dalla Torre, 1897
- Genus Notaspis Walker, 1834
- Genus Octofuniculus Liao, 1982 accepted as Lamprotatus Westwood, 1833
- Genus Octosmicra Ashmead, 1904
- Genus Oncochalcis Cameron, 1904
- Genus Oodera Westwood, 1874
- Genus Ooderella Ashmead, 1896
- Genus Ooderelloides Girault, 1913
- Genus Orthochalcis Kieffer, 1905
- Genus Oxycorypha
- Genus Oxycoryphe Kriechbaumer, 1894
- Genus Parabruchophagus Zerova, 1992 accepted as Bruchophagus Ashmead, 1888
- Genus Paraguaya Girault, 1911
- Genus Paranacryptus Girault, 1915 accepted as Epitranus Walker, 1834
- Genus Pararretoceroides Mani, 1938 accepted as Epitranus Walker, 1834
- Genus Parasolindenia Brues, 1907
- Genus Parastypiura Steffan, 1951
- Genus Paravignalia Risbec, 1951
- Genus Pareniaca Crawford, 1913
- Genus Parooderella Girault, 1913
- Genus Peltochalcidia Steffan, 1948
- Genus Pentachalcis Cameron, 1908 accepted as Megalocolus Kirby, 1883
- Genus Pentasmicra Ashmead, 1904
- Genus Phasganophora Masi, 1942
- Genus Phasgonophora Westwood, 1832
- Genus Philocentrus Steffan, 1959
- Genus Phlebopenes Perty, 1833
- Genus Pilismicra Boucek, 1992
- Genus Plagiosmicra Cameron in Baker, 1904
- Genus Plastochalcis Masi, 1943
- Genus Platychalcis Cameron in Baker, 1904
- Genus Proanastatus
- Genus Proconura Dodd, 1915
- Genus Proctoceras Kirby, 1883 accepted as Conura Spinola, 1837
- Genus Prospalta Howard, 1894 accepted as Prospaltella Ashmead, 1904
- Genus Prospaltella Ashmead, 1904
- Genus Prospetella
- Genus Protoceras Ashmead, 1888 accepted as Proctoceras Kirby, 1883
- Genus Pseudanastatus Masi, 1917
- Genus Pseudeniaca Masi, 1936
- Genus Pseudepitelia Girault, 1913
- Genus Pseudobrachymeria Burks, 1960 accepted as Brachymeria Westwood in Stephens, 1829
- Genus Pseudochalcis Kirby, 1883
- Genus Pseudooderella Brèthes, 1922
- Genus Psilochalcidia Steffan, 1951
- Genus Psilochalcis Kieffer, 1905
- Genus Psychidosmicra Blanchard, 1935
- Genus Rhynchochalcis Cameron, 1905
- Genus Robertsia Boucek, 1988
- Genus Sabatiella Masi, 1929
- Genus Sabatius Masi, 1929
- Genus Sayella accepted as Sayiella Ashmead, 1904
- Genus Sayiella Ashmead, 1904
- Genus Schwarzella Ashmead, 1904
- Genus Sinulapada
- Genus Skeloceras Delucchi, 1953 accepted as Lamprotatus Westwood, 1833
- Genus Skleroceras accepted as Lamprotatus Westwood, 1833
- Genus Smicra Spinola, 1837
- Genus Smicromorpha Girault, 1913
- Genus Smicromorphella Girault, 1930 accepted as Smicromorpha Girault, 1913
- Genus Smiera Spinola, 1811
- Genus Solenochalcidia Steffan, 1951
- Genus Solindenelleus Girault, 1914 accepted as Neanastatus Girault, 1913
- Genus Solindenia Cameron, 1883
- Genus Solindinia Ashmead, 1904
- Genus Spatocentrus Steffan, 1959
- Genus Sphecigaster Schulz, 1906 accepted as Sphegigaster Spinola, 1811
- Genus Sphecogaster Agassiz, 1846 accepted as Sphegigaster Spinola, 1811
- Genus Sphegigaster Spinola, 1811
- Genus Spilachalcis
- Genus Spilochalcis Thomson, 1876
- Genus Spilosmicra Cameron, 1910
- Genus Steffanisa Boucek, 1952
- Genus Steninvreia Boucek, 1988
- Genus Stenochalcis Masi, 1929
- Genus Stenosmicra Bouček & Delvare in Bouček, 1992
- Genus Sthulapada Narendran, 1989
- Genus Stomatocera
- Genus Stomatoceras Kirby, 1883
- Genus Stomatocerella Girault, 1930
- Genus Stomatoceroides Girault, 1913
- Genus Stomatocerus Dalla Torre, 1898
- Genus Stomoceras Gahan, 1919
- Genus Stypiura Kirby, 1883
- Genus Tainania Masi, 1929
- Genus Tainaniella Masi, 1929
- Genus Tanushyama Narendran, 1986 accepted as Steninvreia Boucek, 1988
- Genus Tanycoryphus Cameron, 1905
- Genus Tanyotorthus Steffan, 1955 †
- Genus Tasmanastatus Boucek, 1988
- Genus Tetrasmicra Ashmead, 1904
- Genus Thaumapus Kirby, 1883
- Genus Thaumatelia Kirby, 1883
- Genus Thaumateliana Girault, 1912
- Genus Thaumatopus Schulz, 1906
- Genus Thresiaella Narendran, 1989
- Genus Trichochalcis Kieffer, 1904
- Genus Trichoxenia Kirby, 1883
- Genus Trigonura Sichel, 1866
- Genus Trigonurella Boucek, 1988
- Genus Trismicra Ashmead, 1904
- Genus Tropimeris Steffan, 1948
- Genus Tumidicoxa Girault, 1911
- Genus Tumidicoxella Girault, 1913
- Genus Tumidicoxoides Girault, 1913
- Genus Uda Girault, 1930
- Genus Uga Girault, 1930
- Genus Uncochalcis Cameron, 1911
- Genus Urochalcis Nikol'skaya, 1952 accepted as Trigonura Sichel, 1866
- Genus Uxa Girault, 1930
- Genus Varzobia Nikol'skaya, 1960
- Genus Vespomorpha Steffan, 1959
- Genus Xanthomelanus Ashmead, 1904
- Genus Xenarretocera Girault, 1926
- Species Xenarretocera murrayi Girault, 1929 accepted as Proconura murrayi (Girault, 1929)
- Species Xenarretocera seminigripes Girault, 1926 accepted as Proconura seminigripes (Girault, 1926)
- Species Xenarretocera superba Girault, 1926
- Species Xenarretocera tricarinata Girault, 1927 accepted as Steninvreia tricarinata (Girault, 1927)
- Species Xenarretocera v-carinata Girault, 1927
- Genus Xyphorachidia Steffan, 1951
- Genus Youngaia Boucek, 1974 †
- Genus Zavoya Boucek, 1992
- 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
- 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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