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
- Genus Aagyrus accepted as Anagyrus Howard, 1896
- Genus Acerophagoides Blanchard, 1940
- Genus Acerophagus Smith, 1880
- Genus Achalcerinys Girault, 1915
- Genus Achrysopophagus Girault, 1915
- Genus Acridencyrtus Subba Rao, 1979
- Genus Acroaspidia Compere & Zinna, 1955
- Genus Adektitopus Noyes & Hayat, 1984
- Genus Adelencyrtoides Tachikawa & Valentine, 1969
- Genus Adelencyrtus Ashmead, 1900
- Genus Adencyrtus Prinsloo, 1977
- Genus Admirencyrtus Hoffer, 1960
- Genus Aenasiella Girault, 1914
- Genus Aenasioidea Girault, 1911 accepted as Metaphycus Mercet, 1917
- Genus Aenasius Walker, 1846
- Genus Aenasomyiella Girault, 1915
- Genus Aenigmaphycus Sharkov & Voinovich, 1988 accepted as Metaphycus Mercet, 1917
- Genus Aeptencyrtus De Santis, 1964
- Genus Aesaria Noyes & Woolley, 1994
- Genus Aethognathus Silvestri, 1915
- Genus Afrencyrtus Tryapitsyn, 2019
- Genus Agarwalencyrtus Hayat, 1981
- Genus Agekianella Trjapitzin, 1981
- Genus Ageniaspis Dahlbom, 1857
- Genus Agenisapis Thomson, 1876 accepted as Ageniaspis Dahlbom, 1857
- Genus Aglyptoideus De Santis, 1964
- Genus Aglyptus Förster, 1856
- Genus Agromyzaphagus Gahan, 1912
- Genus Alamella Agarwal, 1966
- Genus Allencyrtus Annecke & Mynhardt, 1973
- Genus Allocerchysius Hoffer, 1963
- Genus Allocerellus Silvestri, 1915
- Genus Allorhopoideus Brèthes, 1916 accepted as Encyrtus Latreille, 1809
- Genus Aloencyrtus Prinsloo, 1978
- Genus Amasyxia Noyes, 2000
- Genus Amaurilyma Graham, 1959 accepted as Parablatticida Girault, 1915
- Genus Amauroencyrtus de Santis, 1985
- Genus Ameniscocephalus Girault, 1915
- Genus Americencyrtus Sugonyaev, 1989
- Genus Ameromyzobia Girault, 1916
- Genus Amicencyrtus Hayat, 1981
- Genus Amicroterys Myartseva, 1983
- Genus Aminellus Masi, 1919
- Genus Amira Girault, 1913
- Genus Ammonoencyrtus De Santis, 1964
- Genus Anabrolepis Timberlake, 1920
- Genus Anagirus
- Genus Anagyrella Girault, 1915
- Genus Anagyrietta Ferrière, 1955
- Genus Anagyrodes Girault, 1915
- Genus Anagyropsis Girault, 1917
- Genus Anagyrus Howard, 1896
- Genus Ananusia Girault, 1917
- Genus Anaphycus Sugonyaev, 1960 accepted as Metaphycus Mercet, 1917
- Genus Anarhopus Timberlake, 1929 accepted as Tetracnemoidea Howard, 1898
- Genus Anasemion Annecke, 1967
- Genus Anathrix Burks, 1952
- Genus Andinoencyrtus Blanchard, 1940
- Genus Angeliconana Girault, 1922
- Genus Anicetellus Szelenyi, 1972
- Genus Anicetus Howard, 1896
- Genus Anisodromus Riek, 1963 accepted as Psyllaephagus Ashmead, 1900
- Genus Anisophleps Fidalgo, 1981
- Genus Anisotylus Timberlake, 1919 accepted as Homalotylus Mayr, 1875
- Genus Anomalencyrtus Hayat & Verma, 1980
- Genus Anomalicornia Mercet, 1921
- Genus Anthemus Howard, 1896
- Genus Antipodencyrtus Kerrich, 1964 accepted as Tetracnemoidea Howard, 1898
- Genus Anusia Förster, 1856
- Genus Anusiella Mercet, 1923 accepted as Tetracnemus Westwood, 1837
- Genus Anusioidea accepted as Cryptanusia Girault, 1917
- Genus Anusioptera Brues, 1910
- Genus Anusoidea Girault, 1926 accepted as Cryptanusia Girault, 1917
- Genus Anusomyia Girault, 1915 accepted as Rhytidothorax Ashmead, 1900
- Genus Apentelicus Fullaway, 1913 accepted as Microterys Thomson, 1876
- Genus Aphidencyrtoides Ishii, 1928
- Genus Aphidencyrtus Ashmead, 1900
- Genus Aphycinus Tryapitsyn, 1962
- Genus Aphycoides Mercet, 1921
- Genus Aphycoideus Williams, 1916
- Genus Aphycomastix De Santis, 1972
- Genus Aphycomorpha Timberlake, 1919
- Genus Aphycopsis Timberlake, 1916
- Genus Aphyculus
- Genus Aphycus Mayr, 1875
- Genus Apoanagyrus Compere, 1947
- Genus Apoleptomastix Kerrich, 1982
- Genus Aponagyrus
- Genus Aprionomastix Girault, 1913
- Genus Apsilophrys De Santis, 1964
- Genus Apterencyrtus Ashmead, 1905
- Genus Apteronotus Kang, Hu & Luo, 2024
- Genus Aquaencyrtus Hoffer, 1953
- Genus Arabencyrtus Hayat, 2014
- Genus Arachnosinis Compere & Zinna, 1955
- Genus Aratiscus Ghesquiére, 1946
- Genus Aratus Howard, 1897
- Genus Archaeocercoides Simutnik in Simutnik et al., 2022 †
- Genus Archaeocercus Simutnik in Simutnik & Perkovsky, 2018 †
- Genus Archencyrtus Simutnik, 2014 †
- Genus Archimus Ashmead, 1904 accepted as Archinus Howard, 1897
- Genus Archinus Howard, 1897
- Genus Argutencyrtus Prinsloo & Annecke, 1974
- Genus Arhopoideus Girault, 1915 accepted as Tetracnemoidea Howard, 1898
- Genus Arhopoidiella Noyes, 1980
- Genus Arketypon Guerrieri & Noyes, 2002
- Genus Arrenoclavus Doutt, 1948
- Genus Arrenophagus
- Genus Arrhenophagoidea Girault, 1915
- Genus Arrhenophagus Aurivillius, 1888
- Genus Arzonella Pagliano & Scaramozzino, 1989
- Genus Aschitus Mercet, 1921
- Genus Aseiba Ashmead, 1904 accepted as Aseirba Cameron, 1884
- Genus Aseirba Cameron, 1884
- Genus Asencyrtus Trjapitzin, 1971
- Genus Asitus Erdös, 1955
- Genus Assamencyrtus Singh, 2006
- Genus Asterolecaniobius Tachikawa, 1963
- Genus Asterolecanobius
- Genus Asteropaeus Howard, 1898
- Genus Astymachus Howard, 1898
- Genus Atelaphycus Blanchard, 1940
- Genus Atepomara Noyes, 2010
- Genus Atropates Howard, 1898
- Genus Aulonops Timberlake, 1922
- Genus Australanusia Girault, 1922
- Genus Australaphycus Girault, 1923
- Genus Australencyrtus Johnston & Tiegs, 1922 accepted as Tachinaephagus Ashmead, 1904
- Genus Australia Girault, 1928 accepted as Parachalcerinys Girault, 1926
- Genus Australomalotylus Risbec, 1956 accepted as Tachinaephagus Ashmead, 1904
- Genus Australrhopoideus Girault, 1926 accepted as Pseudococcobius Timberlake, 1916
- Genus Australzaomma Girault, 1925 accepted as Ixodiphagus Howard, 1907
- Genus Austrochoreia Girault, 1929
- Genus Austroencyrtoidea Girault, 1922
- Genus Austroencyrtus Girault, 1923
- Genus Austromira Girault, 1924
- Genus Austrotropidia Kerrich, 1978
- Genus Avernes Noyes & Woolley, 1994
- Genus Avetianella Farrall, Paiva & Albino, 1992
- Genus Avlakotencyrtus Hayat & Khan, 2014
- Genus Aztecencyrtus Timberlake, 1926
- Genus Bacalusa Noyes & Hayat, 1984
- Genus Bachiana Girault, 1940 accepted as Arzonella Pagliano & Scaramozzino, 1989
- Genus Bactritopus
- Genus Baeoanusia Girault, 1915
- Genus Baeocharis Mayr, 1875
- Genus Baeoencyrtus
- Genus Bajamaria Trjapitzin, 2005 accepted as Incisencyrtus Prinsloo, 1988
- Genus Balticalcarus Simutnik in Simutnik et al., 2022 †
- Genus Baoanusia Girault, 1916 accepted as Baeoanusia Girault, 1915
- Genus Batrachencyrtus Jansson, 1957
- Genus Bavanusia Girault, 1917 accepted as Baeoanusia Girault, 1915
- Genus Beethovena Girault, 1932
- Genus Bekilyia Risbec, 1952
- Genus Bennettisca Noyes, 1980
- Genus Berecyntiscus Ghesquière, 1946 accepted as Copidosoma Ratzeburg, 1844
- Genus Berecyntus Howard, 1898 accepted as Copidosoma Ratzeburg, 1844
- Genus Bethylomimus Tryapitsyn, 1962
- Genus Birous Erdös & Novicky, 1955 accepted as Microterys Thomson, 1876
- Genus Biróus Erdös & Novicky, 1955 accepted as Microterys Thomson, 1876
- Genus Blanchardiscus De Santis, 1964
- Genus Blastothrix Mayr, 1875
- Genus Blaticidella Girault, 1923 accepted as Epiblatticida Girault, 1915
- Genus Blatticida Ashmead, 1904
- Genus Blatticida Girault, 1915 accepted as Blatticidella Gahan & Fagan, 1923
- Genus Blatticidella Gahan & Fagan, 1923
- Genus Blatticidella Girault, 1923 accepted as Epiblatticida Girault, 1915
- Genus Blepyrus Howard, 1898
- Genus Bolangera
- Genus Borrowella Girault, 1923
- Genus Bothiocraera
- Genus Bothriocraera Timberlake, 1916
- Genus Bothriophryne Compere, 1937
- Genus Bothriothorax Ratzeburg, 1844
- Genus Bothryothorax Förster, 1856 accepted as Bothriothorax Ratzeburg, 1844
- Genus Botriothorax
- Genus Boucekiella
- Genus Brachycyrtus Hoffer, 1957 accepted as Brachyencyrtus Hoffer, 1959
- Genus Brachyencyrtus Hoffer, 1959
- Genus Brachyplatycerus De Santis, 1972
- Genus Bregmencyrtus Annecke, 1974
- Genus Brephonastes Prinsloo, 1981
- Genus Brethesia Timberlake, 1919 accepted as Brethesiella Porter, 1920
- Genus Brethesiella Porter, 1920
- Genus Brethesiella Timberlake, 1920 accepted as Brethesiella Porter, 1920
- Genus Bureshiella Hoffer, 1983
- Genus Caenocercus Thomson, 1876
- Genus Caenohomalopoda Tachikawa, 1979
- Genus Caenohomolopoda
- Genus Caldencyrtus Noyes & Hanson, 1996
- Genus Callacnemus Prinsloo, 1981
- Genus Callaincyrtus Prinsloo & Annecke, 1979
- Genus Calliencyrtus De Santis, 1960 accepted as Hexencyrtus Girault, 1915
- Genus Callipteroma Motschoulsky, 1863
- Genus Calluniphilus Erdös, 1961 accepted as Psyllaephagus Ashmead, 1900
- Genus Calocerinella Girault, 1913
- Genus Calocerineloides Girault, 1913 accepted as Psyllaephagus Ashmead, 1900
- Genus Calocerinus Howard, 1892 accepted as Tetracnemus Westwood, 1837
- Genus Calometopia Mercet, 1921 accepted as Parablastothrix Garcia Mercet, 1917
- Genus Carabunia Waterston, 1928
- Genus Casus Noyes & Woolley, 1994
- Genus Ceballosia Mercet, 1921
- Genus Centencyrtus Noyes & Woolley, 1994
- Genus Cerapterocerella
- Genus Cerapteroceroides Ashmead, 1904
- Genus Cerapterocerus Westwood, 1833
- Genus Cerapterus Blanchard, 1840 accepted as Cerapterocerus Westwood, 1833
- Genus Ceraptocerus Blanchard, 1840 accepted as Cerapterocerus Westwood, 1833
- Genus Ceraptrocerella Gilchrist, 1921
- Genus Ceraptroceroideus Girault, 1916
- Genus Cerchisius
- Genus Cerchysiella Girault, 1915
- Genus Cerchysiopsis Hoffer, 1959 accepted as Allocerchysius Hoffer, 1963
- Genus Cerchysiopsis Girault, 1922
- Genus Cerchysisus
- Genus Cerchysius Westwood, 1832
- Genus Cercobelus Walker, 1842
- Genus Cerides Noyes, 2010
- Genus Chalcaspis Howard, 1895
- Species Chalcaspis arizonensis Girault, 1915 accepted as Aenasius arizonensis (Girault, 1915)
- Species Chalcaspis brasiliensis Mercet, 1926 accepted as Aenasius tachigaliae (Brues, 1922)
- Species Chalcaspis lucidus Kerrich, 1967 accepted as Aenasius lucidus (Kerrich, 1967)
- Species Chalcaspis pergandei Howard, 1895 accepted as Aenasius pergandei (Howard, 1895)
- Species Chalcaspis phenacocci (Ashmead, 1902) accepted as Aenasius phenacocci (Ashmead, 1902)
- Genus Chalcerinys Perkins, 1906
- Genus Charitopsis Trjapitzin, 1969
- Genus Charitopus Trjapitzin, 1969
- Genus Cheilonerus
- Genus Cheiloneurella Girault, 1915
- Genus Cheiloneuroides Girault, 1915
- Genus Cheiloneuromya
- Genus Cheiloneuromyia Girault, 1915
- Genus Cheiloneurus Westwood, 1833
- Genus Cheilonicetus Shafee, Alam & Agarwal, 1975
- Genus Cheilonorus
- Genus Cheilopsis Prinsloo, 1983
- Genus Chelionorus
- Genus Chestomorpha Ashmead, 1900
- Genus Chiloneurinus Mercet, 1921
- Genus Chiloneurus Förster, 1856 accepted as Cheiloneurus Westwood, 1833
- Genus Chilonevrus Agassiz, 1846 accepted as Cheiloneurus Westwood, 1833
- Genus Chinchilla Girault, 1928 accepted as Austrochoreia Girault, 1929
- Genus Chinchillisca Ghesquière, 1946 accepted as Austrochoreia Girault, 1929
- Genus Chorcius Dahlbom, 1857 accepted as Choreia Westwood, 1833
- Genus Choreaspis Hoffer, 1954
- Genus Choreia Westwood, 1833
- Genus Choreius Westwood, 1837 accepted as Choreia Westwood, 1833
- Genus Choreus Walker, 1846 accepted as Choreia Westwood, 1833
- Genus Choria Agassiz, 1846 accepted as Choreia Westwood, 1833
- Genus Chorotega Noyes, 2004
- Genus Chrysomelechthrus Trjapitzin, 1977
- Genus Chrysoplatycerus Ashmead, 1889
- Genus Chrysopophagoides Girault, 1915
- Genus Chrysopophagus Ashmead, 1894
- Genus Chrysopophilus Timberlake, 1925
- Genus Cibdeloencyrtus De Santis, 1964
- Genus Cicoencyrtus Noyes, 1980
- Genus Cirrhencyrtus Timberlake, 1918
- Genus Cladiscodes Subba Rao, 1977
- Genus Cladocnemus Prinsloo, 1981
- Genus Clausenia Ishii, 1923
- Genus Clivia Zhang & Huang, 2005
- Genus Coagerus Noyes & Hayat, 1984
- Genus Coccidaphycus Blanchard, 1940
- Genus Coccidencyrtoides Blanchard, 1940
- Genus Coccidencyrtus Ashmead, 1900
- Genus Coccidoctonus Crawford, 1912
- Genus Coccidoxenoides Girault, 1915
- Genus Coccidoxenus Crawford, 1913
- Genus Coccophoctonus Ashmead, 1900
- Genus Coccopilatus Annecke, 1963
- Genus Coelaspidia Timberlake, 1923
- Genus Coelopencyrtus Timberlake, 1919
- Genus Coenocercus Thomson, 1876
- Genus Comones Noyes & Woolley, 1994
- Genus Comperencyrtus De Santis, 1964 accepted as Tetracnemus Westwood, 1837
- Genus Comperia Gomes, 1942
- Genus Comperiella Howard, 1906
- Genus Concentrolinea Bakkendorf, 1965
- Genus Conchynilla Girault, 1923
- Genus Copidencyrtus De Santis, 1964
- Genus Copidosoma Ratzeburg, 1844
- Genus Copidosomopsis Girault, 1915
- Genus Copidosomyia Girault, 1915
- Genus Corcobelus Ashmead, 1904 accepted as Cercobelus Walker, 1842
- Genus Cowperella Girault, 1935 accepted as Pentelicus Howard, 1895
- Genus Cowperia Girault, 1919
- Genus Coxxidoxenoides
- Genus Cranencyrtus Gu, 2004
- Genus Cremesina Noyes & Hayat, 1984
- Genus Cristatithorax Girault, 1911
- Genus Cryptanusia Girault, 1917
- Genus Cryptoplatycerus Trjapitzin, 1982
- Genus Curbitus Hoffer, 1957
- Genus Cycoencyrtus
- Genus Cyderius Noyes, 1980
- Genus Cyrtocoryphes Timberlake, 1926
- Genus Deilio Noyes & Woolley, 1994
- Genus Deloencyrtus De Santis, 1967
- Genus Dencyrtus Simutnik in Simutnik & Perkovsky, 2018 †
- Genus Desantisella Subba Rao, 1971
- Genus Descarda Noyes, 2010
- Genus Desobius Noyes, 1980 accepted as Parablatticida Girault, 1915
- Genus Diaphorencyrtus Hayat, 1981
- Genus Diasula Noyes & Hayat, 1984
- Genus Dicarnosis Mercet, 1921
- Genus Dicelloceras Menzel, 1855
- Genus Dicellocerus Ashmead, 1900
- Genus Dinocarsiella Mercet, 1921
- Genus Dinocarsis Förster, 1856
- Genus Dionencyrtus de Santis, 1985
- Genus Discodes Förster, 1856
- Genus Diversicornia Mercet, 1916
- Genus Diversinervus Silvestri, 1915
- Genus Doddanusia Noyes & Hayat, 1984
- Genus Doliphoceras Mercet, 1921
- Genus Dusmetia Mercet, 1921
- Genus Dzera Trjapitzin, 2018 accepted as Gyranusoidea Compere, 1947
- Genus Ebito Noyes & Woolley, 1994
- Genus Echthoplexiella
- Genus Echthrobaccella Girault, 1915
- Genus Echthrobaccha Perkins, 1906 accepted as Syrphophagus Ashmead, 1900
- Genus Echthrobacchomyia Dahms & Gordh, 1997 accepted as Achalcerinys Girault, 1915
- Genus Echthrodryinus Perkins, 1906
- Genus Echthrogonatopus Perkins, 1906
- Genus Echthroplectis Dalla Torre, 1898 accepted as Echthroplexis Förster, 1856
- Genus Echthroplexiella Mercet, 1921
- Genus Echthroplexis Förster, 1856
- Genus Echthroryinus
- Genus Ecthrobacomyia Girault, 1920
- Genus Ecthrodryinus
- Genus Ectopiognatha Perkins, 1906 accepted as Ooencyrtus Ashmead, 1900
- Genus Ectroma Westwood, 1833
- Genus Ectromatopsis Compere, 1947
- Genus Ectromella Girault, 1915 accepted as Tetracnemoidea Howard, 1898
- Genus Ectromoides Girault, 1915 accepted as Rhytidothorax Ashmead, 1900
- Genus Ectromomyiella Girault, 1915 accepted as Epitetralophidea Girault, 1915
- Genus Efesus Simutnik in Simutnik et al., 2020 †
- Genus Ektopicercus Simutnik in Simutnik & Perkovsky, 2020 †
- Genus Electroanellus Simutnik, 2023 †
- Genus Electrocerus Simutnik, Pankowski & Perkovsky, 2023 †
- Genus Electronoyesella Simutnik, 2022 †
- Genus Elijahia Girault, 1928
- Genus Encona Noyes, 2010
- Genus Encyrtoalces de Santis, 1985
- Genus Encyrtoidea Girault, 1923
- Genus Encyrtoides Simutnik, 2021 †
- Genus Encyrtolophus De Santis, 1972
- Genus Encyrtomyia Girault, 1915
- Genus Encyrtus Latreille, 1809
- Genus Eocencnemus Simutnik, 2002 †
- Genus Eocencyrtus Simutnik, 2001 †
- Genus Eotopus Noyes & Hayat, 1984
- Genus Epaenasomyia Girault, 1919
- Genus Epanagyrus Girault, 1915 accepted as Psyllaephagus Ashmead, 1900
- Genus Epanusia Girault, 1913
- Genus Epiblatticida Girault, 1915
- Genus Epicerchysius Girault, 1915
- Genus Epicheiloneurus Girault, 1915
- Genus Epidinocarsis Girault, 1913
- Genus Epiencyrtoides Girault, 1915
- Genus Epiencyrtus Ashmead, 1900
- Genus Epistenoterys Girault, 1915
- Genus Epitetracnemus Girault, 1915
- Genus Epitetralophidea Girault, 1915
- Genus Eremencyrtus Tryapitzyn, 1972
- Genus Eremophasma Sugonyaev & Tryapitsyn, 1979
- Genus Erencyrtus Mahdihassan, 1923
- Genus Ericydnella Girault, 1915
- Genus Ericydnus Haliday in Curtis, 1829-30
- Genus Ericydnus Haliday in Walker, 1837
- Genus Erycidinus Blanchard, 1840
- Genus Erycidnus Howard, 1886
- Genus Erythraphycus Compere, 1947 accepted as Metaphycus Mercet, 1917
- Genus Ethoris Noyes & Hayat, 1984
- Genus Euaphycus Mercet, 1921
- Genus Eucantabria Mercet, 1921
- Genus Euchalcerinys Timberlake, 1922 accepted as Helegonatopus Perkins, 1906
- Genus Eucheiloneuropsis Girault, 1922 accepted as Parectromoidella Girault, 1915
- Genus Eucoccidophagus Hoffer, 1963
- Genus Eucomomorphella Girault, 1923 accepted as Neocladia Perkins, 1906
- Genus Eucyrtus Ashmead, 1888 accepted as Encyrtus Latreille, 1809
- Genus Eugahania Mercet, 1926
- Genus Euogus Noyes & Woolley, 1994
- Genus Eupelmomorpha Girault, 1915
- Genus Euryrhopalus Howard, 1898
- Genus Euscapularia Hoffer, 1975
- Genus Euscapus Dahlbom, 1857
- Genus Eusemion Dahlbom, 1857
- Genus Eusemionella Girault, 1915
- Genus Eusemionopsis Gilchrist, 1921
- Genus Euussuria Chumakova, 1957
- Genus Euzkadia Mercet, 1921
- Genus Euzkadiella Mercet, 1922
- Genus Exoristobia Ashmead, 1904
- Genus Extencyrtus Noyes & Woolley, 1994
- Genus Ferriereus Ghesquière, 1956
- Genus Forcipestricis Burks, 1968
- Genus Formicencyrtus Girault, 1916
- Genus Fulgoridicida Perkins, 1906
- Genus Gafsa Thuroczy & Trjapitzin, 1990
- Genus Gahaniella Timberlake, 1926
- Genus Gavria Noyes, 2000
- Genus Geniaspidius Masi, 1917 accepted as Parablatticida Girault, 1915
- Genus Gentakola Noyes & Hayat, 1984
- Genus Gibberella Miller, 1961 accepted as Ageniaspis Dahlbom, 1857
- Genus Giraultella Gahan & Fagan, 1923
- Genus Glaesus Simutnik in Simutnik, Perkovsky & Gumovsky, 2014 †
- Genus Globulencyrtus Hoffer, 1975 †
- Genus Gonzalezia De Santis, 1964
- Genus Gounodia Girault, 1940 accepted as Epistenoterys Girault, 1915
- Genus Grandiclavula Zhang & Huang, 2001
- Genus Grandoriella Domenichini, 1951
- Genus Grissellia Noyes, 1980
- Genus Guerrierius Noyes, 2010
- Genus Gwala Noyes & Woolley, 1994
- Genus Gymnoneura Risbec, 1951
- Genus Gyranusa Mercet, 1921
- Genus Gyranusia Brèthes, 1920
- Genus Gyranusoidea Compere, 1947
- Genus Habrolepis Förster, 1856
- Genus Habrolepistia Mercet, 1921
- Genus Habrolepoidea Howard, 1894
- Genus Habrolepopterygis Girault, 1915
- Genus Habrolepopteryx Ashmead, 1900
- Genus Hadrencyrtus Annecke & Mynhardt, 1973 †
- Genus Hadzhibeylia Myartseva & Trjapitzin, 1981
- Genus Haligra Noyes & Hayat, 1984
- Genus Hambletonia Compere, 1936
- Genus Hamusencyrtus Subba Rao & Hayat, 1978 accepted as Rhopus Förster, 1856
- Genus Hansonellus Noyes, 2010
- Genus Hanssonius Noyes, 2010
- Genus Hazmburkia Hoffer, 1954 accepted as Helegonatopus Perkins, 1906
- Genus Helegonatopus Perkins, 1906
- Genus Helmecephala Noyes, 1980 accepted as Meniscocephalus Perkins, 1906
- Genus Helygia Noyes & Woolley, 1994
- Genus Hemaenasioidea Girault, 1916 accepted as Homalotylus Mayr, 1875
- Genus Hemaenasius Ashmead, 1900 accepted as Pentelicus Howard, 1895
- Genus Hemencyrtus Ashmead, 1900
- Genus Hemiaenasius Schulz, 1906 accepted as Pentelicus Howard, 1895
- Genus Hemiencyrtus Schulz, 1906
- Genus Hemileucoceras Hoffer, 1975 †
- Genus Hengata Noyes & Hayat, 1984
- Genus Henicopygus Ashmead, 1900 accepted as Tetracnemus Westwood, 1837
- Genus Hesperencyrtus Annecke, 1971
- Genus Heteranthrellus Ashmead, 1904
- Genus Heterarthrellus Howard, 1898
- Genus Heterococcidoxenus Ishii, 1940
- Genus Heteroleptomastix Ishii, 1928 accepted as Hexencyrtus Girault, 1915
- Genus Hexacladia Ashmead, 1891
- Genus Hexacnemus Timberlake, 1926
- Genus Hexalis Bakkendorf, 1939
- Genus Hexanusia Girault, 1922 accepted as Syrphophagus Ashmead, 1900
- Genus Hexencyrtus Girault, 1915
- Genus Hipponactis Noyes, 2000
- Genus Hofferencyrtus Boucek, 1977
- Genus Holanusia Girault, 1915 accepted as Parablatticida Girault, 1915
- Genus Holanusomyia Girault, 1915
- Genus Holcencyrtus Ashmead, 1900
- Genus Holcothorax Mayr, 1875
- Genus Homalopoda Howard, 1894
- Genus Homalotyloidea Mercet, 1921
- Genus Homalotylus Mayr, 1875
- Genus Homosemion Annecke, 1967
- Genus Hoplopsis Stefani, 1889
- Genus Howardiella Dalla Torre, 1898
- Genus Hungariella Erdös, 1946 accepted as Tetracnemoidea Howard, 1898
- Genus Hunterellus Howard, 1908 accepted as Ixodiphagus Howard, 1907
- Genus Hypergonatopus Timberlake, 1922
- Genus Iceromyia Noyes, 1980
- Genus Idiococcophilus Tachikawa & Gordh, 1987
- Genus Ikea Noyes, 2010
- Genus Ilicia Mercet, 1921
- Genus Inbiaphycus Noyes, 2004
- Genus Incisencyrtus Prinsloo, 1988
- Genus Indaphycus Hayat, 1981
- Genus Indoencyrtus Hayat & Verma, 1978
- Genus Insleyia Prinsloo & Annecke, 1979
- Genus Interabus Noyes, 2010
- Genus Islawes Noyes & Woolley, 1994
- Genus Isodromoides Girault, 1914
- Genus Isodromus Howard in Riley, 1887
- Genus Ixodiphagus Howard, 1907
- Genus Jurinia Costa, 1839
- Genus Jutarnus Noyes, 2010
- Genus Kakaoburra Girault, 1922 accepted as Subprionomitus Mercet, 1921
- Genus Kaszabicyrtus Szelényi, 1971 accepted as Psyllaephagus Ashmead, 1900
- Genus Kataka Noyes & Hayat, 1984
- Genus Katania Noyes, 2010
- Genus Keatsia Girault, 1928 accepted as Metaphaenodiscus Mercet, 1921
- Genus Koenigsmannia Trjapitzin, 1982
- Genus Krishnieriella Mani, 1935
- Genus Kurdjumovia Trjapitzin, 1977
- Genus Laccacida Prinsloo, 1981
- Genus Lakshaphagus Madhihassan, 1921
- Genus Lamennaisia Girault, 1922
- Genus Leefmansia Waterston, 1928
- Genus Lepidaphycus Blanchard, 1936 accepted as Homalotylus Mayr, 1875
- Genus Lepidoneurus Hoffer, 1957 accepted as Cheiloneurus Westwood, 1833
- Genus Leptacnemus Prinsloo, 1981
- Genus Leptanusia De Santis, 1964
- Genus Leptomastidea Garcia Mercet, 1916
- Genus Leptomastix Förster, 1856
- Genus Leptorhopala Motschoulsky, 1863
- Genus Leuroceroides Girault, 1915
- Genus Limastotix Mercet, 1921 accepted as Copidosoma Ratzeburg, 1844
- Genus Liocarus Thomson, 1876
- Genus Liothorax Mayr, 1875
- Genus Lirencyrtus Noyes, 1980
- Genus Lissencyrtus Cameron, 1913
- Genus Lithomastix Schultz, 1928 accepted as Litomastix Thomson, 1876
- Genus Litomastiellus Mercet, 1921 accepted as Copidosoma Ratzeburg, 1844
- Genus Litomastix Thomson, 1876
- Genus Lohiella Noyes, 1980
- Genus Lombitsikala Risbec, 1958
- Genus Lutheria Girault, 1919 accepted as Lutherisca Ghesquière, 1946
- Genus Lutherisca Ghesquière, 1946
- Genus Luxovia Noyes, 2010
- Genus Lyka Mercet, 1921
- Genus Lymanera Szelenyi, 1972
- Genus Macchiencyrtus Annecke, 1971
- Genus Magellanana Girault, 1939 accepted as Epiblatticida Girault, 1915
- Genus Mahencyrtus Masi, 1917
- Genus Manicnemus Hayat, 1981
- Genus Manmohanencyrtus Singh, 1995
- Genus Manua Noyes, 2010
- Genus Mariola Noyes, 1980
- Genus Marxella Girault, 1932
- Genus Masencyrtus Hoffer, 1960 accepted as Helegonatopus Perkins, 1906
- Genus Mashhoodia Shafee, 1972
- Genus Mashhoodiella Hayat, 1972 †
- Genus Mashoodia
- Genus Masia Mercet, 1919 accepted as Tetracnemus Westwood, 1837
- Genus Mayrencyrtus Hincks, 1944
- Genus Mayridia Mercet, 1921
- Genus Melanaphycus Compere, 1947 accepted as Metaphycus Mercet, 1917
- Genus Melys Noyes & Woolley, 1994
- Genus Mendozaniella Brèthes, 1913 accepted as Homalotylus Mayr, 1875
- Genus Meniscocephalus Perkins, 1906
- Genus Mercetencyrtus Tryapitsyn, 1963 accepted as Lamennaisia Girault, 1922
- Genus Mercetia Bakkendorf, 1965 accepted as Psyllaephagus Ashmead, 1900
- Genus Mercetiella Dozier, 1926 accepted as Metaphycus Mercet, 1917
- Genus Merlen Noyes & Woolley, 1994
- Genus Meromyzobia Ashmead, 1900
- Genus Mesanusia Girault, 1922
- Genus Mesanusomyiia Girault, 1922 accepted as Rhytidothorax Ashmead, 1900
- Genus Mesaphycus Sugonyaev, 1960 accepted as Metaphycus Mercet, 1917
- Genus Mesastymachus Girault, 1923
- Genus Mesencyrtus Timberlake, 1941 accepted as Copidosoma Ratzeburg, 1844
- Genus Mesocalocerinus Girault, 1922
- Genus Mesocopidosomyiia
- Genus Mesorhopella Girault, 1923
- Genus Metablastothrix Sugonyaev, 1964
- Genus Metacerapterocerus Ishii, 1928
- Genus Metacheiloneurus Hoffer, 1957
- Genus Metallon Walker, 1848
- Genus Metallonella Girault, 1915 accepted as Trechnites Thomson, 1876
- Genus Metallonoidea Girault, 1915
- Genus Metanotalia Mercet, 1921
- Genus Metaphaenodiscus Mercet, 1921
- Genus Metaphycus Mercet, 1917
- Genus Metaplatycerus Tryapitsyn & Gordh, 1978
- Genus Metaprionomitus Mercet, 1921 accepted as Psyllaephagus Ashmead, 1900
- Genus Metapsyllaephagus Myartseva, 1980
- Genus Metapterencyrtus Tachikawa, 1963
- Genus Microencyrtus Girault, 1923 accepted as Epiblatticida Girault, 1915
- Genus Microrhopus
- Genus Microsphenus Kerrich, 1963
- Genus Microterys Thomson, 1876
- Genus Mimencyrtus de Sands & Santis, 1983
- Genus Mira Schellenberg, 1803
- Genus Mirastymachus Girault, 1915 accepted as Rhopus Förster, 1856
- Genus Mirocerus Ashmead, 1904 accepted as Psyllaephagus Ashmead, 1900
- Genus Mirrencyrtus Girault, 1915
- Genus Mirsyrpophagus Girault, 1923 accepted as Exoristobia Ashmead, 1904
- Genus Mohelencyrtus Hoffer, 1969 †
- Genus Mohelniella Hoffer, 1964
- Genus Monodiscodes Hoffer, 1954
- Genus Monstranusia Tryapitsyn, 1964
- Genus Moorella Cameron, 1913
- Genus Mozartella Girault, 1926
- Genus Mucrencyrtus Noyes, 1980
- Genus Muluencyrtus Noyes & Hayat, 1984
- Genus Myartsevaia Noyes, 2010
- Genus Mymariella Risbec, 1951 accepted as Arrhenophagus Aurivillius, 1888
- Genus Myrmencyrtus Gordh & Tryapitsyn, 1979
- Genus Nassauia Girault, 1932
- Genus Nathismusia Noyes & Hayat, 1984
- Genus Neabrolepoideus Girault, 1917
- Genus Neanagyrus Girault, 1915 accepted as Psyllaephagus Ashmead, 1900
- Genus Neapsilophrys Noyes, 1980
- Genus Neasteropaeus Girault, 1915 accepted as Epiblatticida Girault, 1915
- Genus Neastymachus Girault, 1915
- Genus Nebaocharis Girault, 1916 accepted as Tetracnemus Westwood, 1837
- Genus Neblatticida Girault, 1915
- Genus Negeniaspidius Tryapitsyn, 1982
- Genus Neoadelencyrtus Hayat, Alam & Agarwal, 1975
- Genus Neoaenasioidea Agarwal, 1966 accepted as Homalotylus Mayr, 1875
- Genus Neoanabrolepis Sugonyaev, 2012
- Genus Neoanisotylus Santis, 1939
- Genus Neocharitopus Hayat, Alam & Agarwal, 1975
- Genus Neochrysopophilus Tachikawa, 1979 accepted as Copidosomyia Girault, 1915
- Genus Neocladella Girault, 1915
- Genus Neocladia Perkins, 1906
- Genus Neococcidencyrtus Compere, 1928
- Genus Neocopidosoma Ishii, 1923
- Genus Neocopidosoma Blanchard, 1940
- Genus Neocopidosomyia Girault, 1915 accepted as Isodromoides Girault, 1914
- Genus Neocyrtus Trjapitzin, 1985
- Genus Neodiscodes Compere, 1931
- Genus Neodusmetia Kerrich, 1964
- Genus Neoplatycerus Subba Rao, 1965
- Genus Neoprochiloneurus Viggiani, 1966 accepted as Prochiloneurus Silvestri, 1915
- Genus Neorhopus Girault, 1917
- Genus Neoxanthoencyrtus Kumar, Avasthi & Shafee, 1980 accepted as Rhopus Förster, 1856
- Genus Neperpolia Hayat in Hayat, Narendran, Remadevi & Manikandan, 2003
- Genus Nerissa Trjapitzin, 1977 †
- Genus Neruandella Trjapitzin, 2004
- Genus Nesebaria Hoffer, 1970
- Genus Nesencyrtus Timberlake, 1919
- Genus Nesoanagyrus Beardsley, 1969 accepted as Anagyrus Howard, 1896
- Genus Nesyrphophagus Girault, 1915 accepted as Syrphophagus Ashmead, 1900
- Genus Nesyrpophagus Girault, 1915
- Genus Neuranagyrus Boucek, 1977 †
- Genus Nezarhopalus Girault, 1915
- Genus Nikolskiella Tryapitsyn, 1962 accepted as Neastymachus Girault, 1915
- Genus Noblanchardia Ghesquière, 1946
- Genus Nobrimus Thomson, 1876 accepted as Homalotylus Mayr, 1875
- Genus Notodusmetia Noyes, 1988
- Genus Notoencyrtus De Santis, 1964 accepted as Metaphycus Mercet, 1917
- Genus Noyesencyrtus Singh, 2014
- Genus Oaphycus Girault, 1932 accepted as Metaphycus Mercet, 1917
- Genus Odiaglyptus Noyes, 1988
- Genus Oesol Noyes & Woolley, 1994
- Genus Olypusa Noyes & Hayat, 1984
- Genus Omphalencyrtus Girault, 1915
- Genus Oobius Trjapitzin, 1963
- Genus Ooencyrtellus Hoffer, 1963 accepted as Ooencyrtus Ashmead, 1900
- Genus Ooencyrtoides Hoffer, 1963 accepted as Psyllaephagus Ashmead, 1900
- Genus Ooencyrtus Ashmead, 1900
- Genus Orianos Noyes, 1990
- Genus Oriencyrtus Sugonyaev & Tryapitzyn, 1974
- Genus Ovaloencyrtus Noyes & Hayat, 1984
- Genus Ovidoencyrtus Girault, 1924
- Genus Pakencyrtus Ahmad, 1970
- Genus Paksimmondsius Ahmad & Ghani, 1974
- Genus Palijus Trjaptzin, 2012 accepted as Bothriothorax Ratzeburg, 1844
- Genus Paludencyrtus Hoffer, 1965 accepted as Helegonatopus Perkins, 1906
- Genus Papaka Noyes, 1980
- Genus Papuna Noyes & Hayat, 1984
- Genus Parablastothrix Garcia Mercet, 1917
- Genus Parablatticida Girault, 1915
- Genus Paracaenocercus Girault, 1915
- Genus Paracalocerinus Girault, 1915 accepted as Tetracnemus Westwood, 1837
- Genus Paraceraptrocerus Girault, 1920
- Genus Paracerchysius
- Genus Parachalcerinys Girault, 1926
- Genus Paracheiloneurus Girault, 1915
- Genus Parachrysopophagus Agarwal, 1965 accepted as Prochiloneurus Silvestri, 1915
- Genus Paracladella Girault, 1920
- Genus Paraclausenia Hayat, 1980
- Genus Paracopidosoma Hoffer, 1957
- Genus Paracopidosomopsis Girault, 1916
- Genus Paraenasioidea Hoffer, 1953
- Genus Paraenasomyia Girault, 1915
- Genus Paraenasomyiia
- Genus Parageniaspis Masi, 1917 accepted as Exoristobia Ashmead, 1904
- Genus Parahomalopoda Girault, 1915
- Genus Paraleptomastix Girault, 1915 accepted as Neocladia Perkins, 1906
- Genus Paraleptomastrix
- Genus Paraleurocerus Girault, 1915
- Genus Paraleurocerus Agarwal, 1966
- Genus Paralitomastix Garcia Mercet, 1921
- Genus Paramucrona Noyes, 1980
- Genus Paranathrix Myartseva, 1980
- Genus Paranusia Brèthes, 1913 accepted as Anagyrus Howard, 1896
- Genus Paranusia Girault, 1913 accepted as Ananusia Girault, 1917
- Genus Paraphaenodiscoides Mercet, 1921
- Genus Paraphaenodiscus Girault, 1915
- Genus Paraphycus Girault, 1915
- Genus Paraplatycerus Hall, 1974
- Genus Parapsilophrys Howard, 1898 accepted as Copidosoma Ratzeburg, 1844
- Genus Parapsyllaephagus Robinson, 1961
- Genus Parapyrus Noyes, 1984
- Genus Pararhopella Girault, 1923 accepted as Mesorhopella Girault, 1923
- Genus Parasauleia Hoffer, 1968
- Genus Paraschaediella
- Genus Paraschediella
- Genus Paraschedius Mercet, 1925
- Genus Parastenoterys Girault, 1915
- Genus Parasteropaeus Girault, 1923
- Genus Parasyrphophagus
- Genus Parasyrpophagus Girault, 1915
- Genus Parataneostigma Girault, 1915
- Genus Paratetracnemoidea Girault, 1915
- Genus Paratetralophidea Girault, 1915
- Genus Parcerchysius Liao & Tachikawa, 1984 accepted as Austroencyrtus Girault, 1923
- Genus Parcolystichus Girault, 1915
- Genus Parechthrodryinus Girault, 1916
- Genus Parectromoidella Girault, 1915
- Genus Parectromoides Girault, 1915
- Genus Parencyrtomyia Girault, 1915
- Genus Parencyrtus Ashmead, 1900
- Genus Pareupelmus Kryger, 1951
- Genus Pareusemion Ishii, 1925
- Genus Pasulinia Noyes & Hayat, 1984
- Genus Pauridia Timberlake, 1919
- Genus Pawenus Noyes & Woolley, 1994
- Genus Pelmatencyrtus De Santis, 1964
- Genus Peneax Noyes, 2000
- Genus Penichrus Erdös, 1960 accepted as Aquaencyrtus Hoffer, 1953
- Genus Pentacnemus Howard, 1892
- Genus Pentalitomastix Eady, 1960
- Genus Pentelicus Howard, 1895
- Genus Perissodromus Blanchard, 1940
- Genus Perpolia Noyes & Woolley, 1994
- Genus Perthia Dahms & Gordh, 1997 accepted as Arzonella Pagliano & Scaramozzino, 1989
- Genus Pezaphycus Nowicki, 1926 accepted as Pseudococcobius Timberlake, 1916
- Genus Pezaphycus Hoffer, 1955
- Genus Pezobius Förster, 1860
- Genus Phaenodiscoides Girault, 1915 accepted as Tachinaephagus Ashmead, 1904
- Genus Phaenodiscus Förster, 1856
- Genus Phasmencyrtus Tryapitsyn & Gordh, 1978
- Genus Phasmocephalon Trjapitzin, 1977
- Genus Phasmocera Trjapitzin, 1971
- Genus Phasmopoda Trjapitzin, 1977
- Genus Phauloencyrtus Girault, 1940
- Genus Pheidoloxeniscus Ghesquière, 1946
- Genus Pheidoloxenus Girault, 1915
- Genus Pheidoloxenus Ashmead, 1904
- Genus Philodoceras Timberlake, 1923
- Genus Philoponectroma Brèthes, 1913
- Genus Philosindia Noyes & Hayat, 1984
- Genus Pholidoceras Mercet, 1918
- Genus Pholidocerodes Ferrière, 1956 accepted as Rhopus Förster, 1856
- Genus Phyllotibia Risbec, 1951 accepted as Neocladia Perkins, 1906
- Genus Pistulina Hoffer, 1975
- Genus Placoceras Erdös, 1946 accepted as Tetracnemus Westwood, 1837
- Genus Plagiomerus Crawford, 1910
- Genus Platencyrtus Ferrière, 1955
- Genus Platomalotylus Noyes, 2010
- Genus Platylyca De Santis, 1972
- Genus Platyrhopus Erdös, 1955 accepted as Rhopus Förster, 1856
- Genus Plesiomicroterys Ishii, 1928
- Genus Praleurocerus Agarwal, 1974
- Genus Prionomastix Mayr, 1875
- Genus Prionomitoides Girault, 1915
- Genus Prionomitus Mayr, 1875
- Genus Procheiloneurus Girault, 1920 accepted as Cheiloneurus Westwood, 1833
- Genus Prochiloneuroides Hayat, Alam & Agarwal, 1975 accepted as Prochiloneurus Silvestri, 1915
- Genus Prochiloneurus Silvestri, 1915
- Genus Profundiscrobis Zhang & Huang, 2001
- Genus Proleptomastidea Trjapitzin, 2009
- Genus Proleuroceroides Shafee, Alam & Agarwal, 1975
- Genus Prolitomastix
- Genus Propsyllaephagus Blanchard in De Santis, 1964 accepted as Psyllaephagus Ashmead, 1900
- Genus Prorhopoideus Brèthes, 1921 accepted as Encyrtus Latreille, 1809
- Genus Protanagyrus Blanchard, 1940
- Genus Protaphycus Simutnik, 2022 †
- Genus Protyndarichoides Noyes, 1980
- Genus Protyndarichus Mercet, 1923 accepted as Mahencyrtus Masi, 1917
- Genus Pseudanasius Hayat, Alam & Agarwal, 1975
- Genus Pseudanusia Girault, 1915
- Genus Pseudaphycus Timberlake, 1916
- Genus Pseudectroma Girault, 1915
- Genus Pseudencyrtella Girault, 1913
- Genus Pseudencyrtoides Gordh & Trjapitzin, 1975
- Genus Pseudencyrtus Ashmead, 1900
- Genus Pseudhomalopoda Girault, 1915
- Genus Pseudleptomastix Girault, 1915
- Genus Pseudmicroterys Shafee, Alam & Agarwal, 1975 accepted as Neastymachus Girault, 1915
- Genus Pseudococcobius Timberlake, 1916
- Genus Pseudoleptomastix
- Genus Pseudolitomastix Eady, 1960 accepted as Pentalitomastix Eady, 1960
- Genus Pseudorhopus Timberlake, 1926
- Genus Psilophryoidea Compere, 1928
- Genus Psilophrys Mayr, 1875
- Genus Psyllaephagus Ashmead, 1900
- Genus Psyllaphycus Hayat, 1972
- Genus Psylledontus Crawford, 1910 accepted as Trechnites Thomson, 1876
- Genus Psyllencyrtus Tachikawa, 1955 accepted as Psyllaephagus Ashmead, 1900
- Genus Pteromalencyrtus Girault, 1915 accepted as Neocladella Girault, 1915
- Genus Pteromalomorpha Risbec, 1951
- Genus Pulexencyrtus Noyes & Woolley, 1994
- Genus Quadrencyrtus Hoffer, 1953
- Genus Quaylea Timberlake, 1919
- Genus Raffaellia Girault, 1922
- Genus Raffaellisca Ghesquière, 1946 accepted as Raffaellia Girault, 1922
- Genus Ramalia Ferrière, 1953 accepted as Metaphaenodiscus Mercet, 1921
- Genus Ramalia Mercet, 1947 [2] accepted as Metaphaenodiscus Mercet, 1921
- Genus Ramalia Mercet, 1947 accepted as Metaphaenodiscus Mercet, 1921
- Genus Raphaelana Girault, 1926 accepted as Cheiloneurus Westwood, 1833
- Genus Rhinoencyrtus Mercet, 1918 accepted as Paratetracnemoidea Girault, 1915
- Genus Rhopalencyrtoidea Girault, 1915
- Genus Rhopoideus Howard, 1898
- Genus Rhopomorphus Ghesquière, 1958
- Genus Rhopus Förster, 1856
- Genus Rhytidothorax Ashmead, 1900
- Genus Rotrencyrtus Risbec, 1958
- Genus Rovnopositor Simutnik in Simutnik et al., 2022 †
- Genus Ruandella Risbec, 1957
- Genus Ruanderoma Noyes & Hayat, 1984
- Genus Rubrencyrtus Prinsloo, 1981
- Genus Ruskiniana Girault, 1923
- Genus Sabirella Agarwal, Agarwal & Khan, 1980 accepted as Lamennaisia Girault, 1922
- Genus Saera Noyes & Woolley, 1994
- Genus Sakencyrtus Hayat, 1981
- Genus Sakhalinencyrtus Simutnik, 2021 †
- Genus Sancarlosia Trjapitzin & Myartseva, 2004
- Genus Sanghalia Risbec, 1955
- Genus Saprencyrtus Noyes & Hayat, 1984
- Genus Sarisencyrtus Noyes & Woolley, 1994
- Genus Saronotum Perkins, 1906
- Genus Satureia Noyes & Woolley, 1994
- Genus Saucrencyrtus Hayat & Singh, 2002
- Genus Sauleia Sugonyaev, 1964
- Genus Savzdargia Tryapitsyn, 1979
- Genus Scelioencyrtus Girault, 1915 accepted as Rhopus Förster, 1856
- Genus Sceptrophorus Förster, 1856
- Genus Schedioides Mercet, 1919
- Genus Schedius Howard, 1910 accepted as Ooencyrtus Ashmead, 1900
- Genus Schillerana Girault, 1932
- Genus Schilleria Girault, 1932 accepted as Schilleriella Ghesquière, 1946
- Genus Schilleriella Ghesquière, 1946
- Genus Scotteus Masi, 1917
- Genus Sectiliclava Hoffer, 1957
- Genus Semen Hoffer, 1954
- Genus Serlion Say, 1829
- Genus Sharqencyrtus Hayat & Kazmi, 2011
- Genus Shenahetia Noyes, 1980
- Genus Silvestria Tryapitsyn, 1972 accepted as Tremblaya Tryapitsin, 1985
- Genus Simmondsiella Noyes, 1980
- Genus Skaro Noyes, 2010
- Genus Solenaphycus De Santis, 1972 †
- Genus Sophencyrtus Crawford, 1911
- Genus Spaniopterus Gahan, 1927
- Genus Sphaeropisthus Thomson, 1876
- Genus Stemmatosteres Timberlake, 1918
- Genus Stenosterys Dodd in Froggatt, 1921 accepted as Leptomastix Förster, 1856
- Genus Stenoteropsis Girault, 1915
- Genus Stenoterys Thomson, 1876 accepted as Leptomastix Förster, 1856
- Genus Sterrhocoma Förster, 1856 accepted as Leptomastix Förster, 1856
- Genus Submicroterys Xu, 2004
- Genus Subprionomitus Mercet, 1921
- Genus Sugonyaevita Trjapitzin, 2014 accepted as Encyrtus Latreille, 1809
- Genus Superprionomitus Mercet, 1921
- Genus Svetlana Trjapitzin, 2008
- Genus Swazencyrtus Prinsloo & Annecke, 1979 accepted as Rhytidothorax Ashmead, 1900
- Genus Symphycus Masi, 1917 accepted as Parablatticida Girault, 1915
- Genus Synaspidia Timberlake, 1923
- Genus Syrphidencyrtus Blanchard, 1940 accepted as Syrphophagus Ashmead, 1900
- Genus Syrphophagus Ashmead, 1900
- Genus Szelenyiola Trjapltzin, 1977
- Genus Tachardiaephagus Ashmead, 1904
- Genus Tachardiobius Timberlake, 1926
- Genus Tachinacphagus Girault, 1917 accepted as Tachinaephagus Ashmead, 1904
- Genus Tachinaephagus Ashmead, 1904
- Genus Taftia Ashmead, 1904
- Genus Tanaomastix Timberlake, 1918
- Genus Tanyencyrtus De Santis, 1972
- Genus Tassonia Girault, 1921
- Genus Technites Schmiedeknecht, 1909 accepted as Trechnites Thomson, 1876
- Genus Telegraphus Ratzeburg, 1848
- Genus Teleterebratus Compere & Zinna, 1955
- Genus Tetarticlava Noyes, 1980
- Genus Tethencyrtus Noyes, 2010
- Genus Tetracladia Howard, 1892 accepted as Tetracnemus Westwood, 1837
- Genus Tetracnemella Girault, 1915 accepted as Ooencyrtus Ashmead, 1900
- Genus Tetracnemoidea Howard, 1898
- Genus Tetracnemopsis Ashmead, 1900 accepted as Tetracnemoidea Howard, 1898
- Genus Tetracnemus Westwood, 1837
- Genus Tetracyclos Kryger, 1942
- Genus Tetralophidea Ashmead, 1900
- Genus Tetralophiella Ashmead, 1904 accepted as Tetracnemus Westwood, 1837
- Genus Tetralophiellus Ashmead, 1900 accepted as Tetracnemus Westwood, 1837
- Genus Tetralophisca Tryapitsyn & Ehrtevtsyan, 1979
- Genus Tetranemus Ashmead, 1885 accepted as Tetracnemus Westwood, 1837
- Genus Therencyrtus Trjapitzin, 1977
- Genus Thysanomastix Perkins, 1907
- Genus Timberlakia Mercet, 1925 accepted as Pseudectroma Girault, 1915
- Genus Tineophoctonus Ashmead, 1900
- Genus Tobiasia Tryapitsyn, 1962
- Genus Tongyus Noyes & Hayat, 1984 accepted as Anagyrus Howard, 1896
- Genus Tonkinencyrtus Sugonyaev, 2002
- Genus Trechnites Thomson, 1876
- Genus Tremblaya Tryapitsin, 1985
- Genus Trichomasthus Thomson, 1876
- Genus Tricladia Mercet, 1918 accepted as Tricnemus Mercet, 1921
- Genus Tricnemus Mercet, 1921
- Genus Trjapitzinellus Viggiani, 1967
- Genus Trjapitzion Simutnik, 2018 †
- Genus Tropidiophryne Compere, 1939
- Genus Tropidophryne Compere, 1931
- Genus Trychomasthus Mercet, 1921
- Genus Tshudo Trjapitzin, 2002
- Genus Turnerella Subba Rao, 1971
- Genus Tyndarichoides Girault, 1920 accepted as Metaphycus Mercet, 1917
- Genus Tyndarichoides Mercet, 1921 accepted as Mahencyrtus Masi, 1917
- Genus Tyndarichus Howard, 1910
- Genus Tyndaricopsis Gordh & Trjapitzin, 1981
- Genus Urotyndarichus Ferrière, 1955
- Genus Verdunia Mercet, 1917
- Genus Vietmachus Sugonjaev, 1995
- Genus Viggiania Tryapitzyn, 1972
- Genus Viggianiola Trjapitzin, 1982
- Genus Vivamexico Koçak & Kemal, 2008
- Genus Vosleria Timberlake, 1926
- Genus Waninka Simutnik, 2025 †
- Genus Waterstonia Mercet, 1917
- Genus Whittieria Girault, 1938
- Genus Xanthoectroma Mercet, 1925
- Genus Xanthoencyrtus Ashmead, 1902
- Genus Xenanusia Girault, 1917
- Genus Xenaphycus Tryapitsyn, 1982 accepted as Metaphycus Mercet, 1917
- Genus Xenocomys Blanchard, 1940
- Genus Xenoencyrtus Riek, 1962
- Genus Xenostryxis Girault, 1920
- Genus Xerencyrtus Trjapitzin, 1972 †
- Genus Xesmatia Timberlake, 1920 accepted as Ooencyrtus Ashmead, 1900
- Genus Xiphomastix De Santis, 1972
- Genus Xyphigaster Risbec, 1954
- Genus Yasumatsuiola Trjapitzin, 1977
- Genus Zamenhofella Girault, 1941
- Genus Zaomencyrtus Girault, 1915
- Genus Zaomma Ashmead, 1900
- Genus Zaommoencyrtus Girault, 1916
- Genus Zaomommoencyrtus Girault, 1917
- Genus Zaplatycerus Timberlake, 1925
- Genus Zarhopaloides Girault, 1915
- Genus Zarhopalus Ashmead, 1900
- Genus Zdenekiella Guerrieri & Noyes, 2005
- Genus Zealandencyrtus Tachikawa & Valentine, 1971 accepted as Tetracnemoidea Howard, 1898
- Genus Zelaphycus Noyes, 1988
- Genus Zelencyrtus Noyes, 1988
- Genus Zeteticontus Silvestri, 1915
- Genus Zooencyrtus Girault, 1915
- Genus Zozoros Noyes & Hayat, 1984
- 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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