Between brackets is the number of accepted species
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- Biota
- Kingdom Animalia
- Phylum Acanthocephala
- Phylum Agmata †
- Phylum Animalia (awaiting allocation)
- Phylum Animalia incertae sedis
- Phylum Annelida
- Phylum Arthropoda
- Subphylum Chelicerata
- Subphylum Crustacea
- Subphylum Hexapoda
- Class Collembola
- Class Diplura
- Class Entognatha accepted as Hexapoda
- Class Insecta
- Order Alienoptera † accepted as Blattodea
- Order Amphiesmenoptera incertae sedis †
- Order Anoplura accepted as Phthiraptera
- Order Archaeognatha
- Order Archaeorthoptera (awaiting allocation) †
- Order Archaeorthoptera incertae sedis
- Order Argentinoptera †
- Order Blattodea
- Order Blattoptera †
- Order Caloneurida
- Order Caloneurodea †
- Order Cnemidolestodea †
- Order Coleoptera
- Order Coxoplectoptera †
- Order Dermaptera
- Order Diaphanopterodea †
- Order Diaphanopteroidea accepted as Diaphanopterodea †
- Order Dicliptera †
- Order Dicondylia incertae sedis
- Order Dictyoptera (awaiting allocation)
- Order Dictyoptera incertae sedis
- Order Diptera
- Order Embiodea
- Order Endopterygota incertae sedis
- Order Eoblattida †
- Order Ephemeroptera
- Order Eugeroptera †
- Order Geraroptera †
- Order Geroptera †
- Order Glosselytrodea †
- Order Grylloblattodea
- Order Hemiptera
- Order Homoptera accepted as Hemiptera
- Order Hymenoptera
- Order Hypoperlida †
- Order Insecta (awaiting allocation)
- Order Insecta incertae sedis
- Order Isoptera accepted as Blattodea
- Order Kukaloptera †
- Order Lepidoptera
- Order Lophioneurida †
- Order Mallophaga
- Order Mantodea
- Order Mantophasmatodea
- Order Mecoptera
- Order Mecopterida incertae sedis
- Order Megaloptera
- Order Megasecoptera †
- Order Miomoptera †
- Order Neoptera incertae sedis
- Order Neuroptera
- Order Neuropteroidea incertae sedis †
- Order Notoptera
- Order Odonata
- Order Odonatoptera (awaiting allocation) †
- Order Odonatoptera incertae sedis
- Order Orthoptera
- Family Acrididae MacLeay, 1821
- Family Acridoxenidae
- Family Adumbratomorphidae †
- Family Anostostomatidae Saussure, 1859
- Family Archaeopneumoridae †
- Family Arcypteridae Shumakov, 1963 accepted as Acrididae MacLeay, 1821
- Family Baissogryllidae Gorochov, 1985 †
- Family Batrachideidae
- Family Bintoniellidae †
- Family Biroellidae
- Family Borneacrididae
- Family Bouretidae †
- Family Bradyporidae
- Family Burmecaelidae Uchida, Husemann & Kotthoff, 2023 accepted as Burmecaelinidae Uchida, Husemann & Kotthoff, 2023
- Family Burmecaelinidae Uchida, Husemann & Kotthoff, 2023
- Family Cachoplistidae
- Family Catantopidae accepted as Acrididae MacLeay, 1821
- Family Charilaidae
- Family Chorotypidae
- Family Conocephalidae
- Family Cooloolidae
- Family Cylindrachetidae
- Family Deinotitanidae Gorochov, 2011 †
- Family Dericorythidae
- Family Dzhajloutshellidae Gorochov, 1994 †
- Family Elcanidae Handlirsch, 1906 †
- Family Eneopteridae Kirby, 1906 accepted as Gryllidae Laicharting, 1781
- Family Ensifera incertae sedis †
- Family Episactidae
- Family Eruciidae
- Family Eumastacidae
- Family Euschmidtiidae
- Family Gomphomastacidae
- Family Gryllacrididae Blanchard, 1845
- Family Gryllavidae †
- Family Gryllidae Laicharting, 1781
- Family Gryllotalpidae Leach, 1815
- Family Haglidae Handlirsch, 1906 †
- Family Hagloedischiidae †
- Family Haglotettigoniidae †
- Family Kamiidae Sharov, 1968 †
- Family Lathiceridae
- Family Legendreiidae Huang, Schubnel & Nel, 2020 †
- Family Lentulidae Dirsh, 1956
- Family Letopalopteridae †
- Family Lezinidae accepted as Anostostomatidae Saussure, 1859
- Family Lithidiidae
- Family Locustavidae Sharov, 1968 †
- Family Locustopseidae Handlirsch, 1906 † accepted as Locustopsidae Handlirsch, 1906 †
- Family Locustopsidae Handlirsch, 1906 †
- Family Macropathidae
- Family Malgasiidae
- Family Mastacideidae
- Family Meconematidae Burmeister, 1838 accepted as Tettigoniidae Krauss, 1902
- Family Mecopodidae
- Family Mesoedischiidae †
- Family Metrodoridae Steinmann, 1962 accepted as Tetrigidae Rambur, 1838
- Family Mimnermidae
- Family Miraculidae
- Family Mogoplistidae Saussure, 1877
- Family Morabidae
- Family Myrmecophilidae
- Family Oecanthidae Blanchard, 1845
- Family Oedipodidae Walker, 1870 accepted as Acrididae MacLeay, 1821
- Family Oedischidae † accepted as Oedischiidae Handlirsch, 1906 †
- Family Oedischiidae Handlirsch, 1906 †
- Family Oedischioidea incertae sedis †
- Family Ommexechidae
- Family Orthoptera (awaiting allocation)
- Family Palaeorehniidae Zeuner, 1937 †
- Family Pamphagidae
- Family Pamphagodidae
- Family Paragryllidae
- Family Paratitanidae †
- Family Pauliniidae
- Family Pentacentridae
- Family Permelcanidae Sharov, 1962 †
- Family Phalangopsidae Blanchard, 1845
- Family Phaneropteridae Brunner von Wattenwyl, 1878 accepted as Tettigoniidae Krauss, 1902
- Family Phasmodidae
- Family Phasmomimidae Sharov, 1968 †
- Family Phyllophoridae Stål, 1874 accepted as Tettigoniidae Krauss, 1902
- Family Pneumoridae
- Family Podoscirtidae Saussure, 1878 accepted as Oecanthidae Blanchard, 1845
- Family Prezottophlebiidae Martins-Neto, 2007 †
- Family Promastacidae †
- Family Proparagryllacrididae †
- Family Prophalangopsidae Kirby, 1906
- Family Proscopiidae Serville, 1838
- Family Protogryllidae †
- Family Pruvostitidae †
- Family Pseudelcanidae †
- Family Pseudogryllotalpidae Gu et al., 2023 † accepted as Gryllidae Laicharting, 1781
- Family Pseudophyllidae
- Family Pteroplistidae
- Family Pyrgacrididae
- Family Pyrgomorphidae Brunner von Wattenwyl, 1874
- Family Rhaphidophoridae Walker, 1869
- Family Ripipterygidae Ander, 1939
- Family Romaleidae
- Family Rudiaeschnidae Bechly et al., 2001 †
- Family Schizodactylidae
- Family Scleropteridae
- Family Stenopelmatidae
- Family Tanaoceridae
- Family Tetrigidae Rambur, 1838
- Genus Aalatettix Zheng & Mao, 2002
- Genus Abbasia Kirby, 1914
- Genus Acanthalobus Hancock, 1904
- Genus Acantholobus
- Genus Acmophyllum Karsch, 1890
- Genus Afrocriotettix Günther, 1938
- Genus Afrolarcus Günther, 1979
- Genus Afrosystolederus Devriese & Husemann, 2023
- Genus Alienitettix Devriese, Nguyen & Husemann, 2023
- Genus Allotettix Hancock, 1899
- Genus Alulatettix Liang, 1993
- Genus Amorphocera Haan in Temminck, 1842 accepted as Amorphopus Audinet-Serville, 1838
- Genus Amorphopus Audinet-Serville, 1838
- Genus Amphibotettix Hancock, 1906
- Genus Amphinotulus Günther, 1939
- Genus Amphinotus Hancock, 1915
- Genus Anaselina Storozhenko, 2019
- Genus Andriana Rehn, 1929
- Genus Ankistropleuron
- Genus Antillotettix Perez-Gelabert, 2003
- Genus Apotettix Hancock, 1902
- Genus Apteropedon Bruner, 1911
- Genus Apterotettix Hancock, 1904
- Genus Archaeoarmatus Kasalo, Skejo, Tumbrinck, Wedmann & Husemann, 2024 †
- Genus Arexion Rehn, 1929
- Genus Armasius Perez-Gelabert & Yong, 2014
- Genus Arulenus Stål, 1877
- Genus Aryalidonta Subedi & Kasalo, 2023
- Genus Ascetotettix Grant, 1956
- Genus Aspiditettix Liang, 2009
- Genus Astyalus Rehn, 1939
- Genus Austrohancockia Günther, 1938
- Genus Austrohyboella Rehn, 1952
- Genus Baeotettix Heads, 2009 †
- Genus Bahorucotettix Perez-Gelabert, Hierro & Otte, 1998
- Genus Bannatettix Zheng, 1993
- Genus Bantutettix
- Genus Bara Rehn, 1929
- Genus Barytettix Günther, 1939 accepted as Marshallacris Rehn, 1948
- Genus Bidentatettix Zheng, 1992
- Genus Bienkotetrix Karaman, 1965
- Genus Birmana Brunner, 1893
- Genus Boczkitettix Tumbrinck, 2014
- Genus Bolivaridora Cadena-Castañeda & Tavares, 2025
- Genus Bolivaritettix Günther, 1942
- Genus Bolotettix Hancock, 1907
- Genus Broukus Blackith, 1992 accepted as Hancockella Uvarov, 1940
- Genus Brunneritettix Cadena-Castañeda & Tavares, 2025
- Genus Bufonides Bolivar, 1898
- Genus Bullaetettix Günther, 1937
- Genus Calyptraeus Wang, 2001
- Genus Camelotettix Hancock, 1907
- Genus Carolinotettix Willemse, 1951
- Genus Cassitettix Yin, 1984
- Genus Castetsia Bolivar, 1902
- Genus Cavotettix Hancock, 1918
- Genus Centrosotettix Günther, 1939
- Genus Charagotettix Brancsik, 1893
- Genus Chiriquia Bruner & Morse, 1900
- Genus Choriphyllum Audinet-Serville, 1838
- Genus Chorophyllum Burmeister, 1840 accepted as Choriphyllum Audinet-Serville, 1838
- Genus Christa Rehn, 1914
- Genus Chthonius Bolivar, 1887 accepted as Tefrinda Bolivar, 1906
- Genus Chthonotettix Hancock, 1906 accepted as Tefrinda Bolivar, 1906
- Genus Cingalina Hebard, 1932
- Genus Cingalotettix Günther, 1939
- Genus Cladonotella Hancock, 1909
- Genus Cladonotus Saussure, 1862
- Genus Cladoramus Hancock, 1907
- Genus Cleostratoides Storozhenko, 2013
- Genus Cleostratus Stål, 1877
- Genus Clinophaestus Storozhenko, 2013
- Genus Clinotettix Bebi-Bienko, 1933
- Genus Clivitettix Yin, 1984
- Genus Clypeotettix Hancock, 1902
- Genus Concavetettix Deng, 2021
- Genus Coptotettix Bolivar, 1887
- Genus Coptottigia Bolivar, 1912
- Genus Corticotettix Kasalo & Skejo, 2022 accepted as Lophotettix Hancock, 1909
- Genus Corystotettix Günther, 1939
- Genus Cota Bolivar, 1887
- Genus Cotys Bolivar, 1887
- Genus Cotysoides Zheng & Jiang, 2000
- Genus Crimisodes Hebard, 1932
- Genus Crimisus Bolivar, 1887
- Genus Criotettix Bolivar, 1887
- Genus Cryptotettix Hancock, 1900
- Genus Cubanotettix Perez-Gelabert, Hierro & Otte, 1998
- Genus Cubonotus Perez-Gelabert, Hierro & Otte, 1998
- Genus Cyphotettix Rehn, 1952 accepted as Dengonius Adžić, Deranja, Franjević & Skejo, 2020
- Genus Danatettix Thomas, Skejo & Heads, 2019 †
- Genus Danielatettix Cadena-Castañeda in Cadena-Castañeda et al., 2021
- Genus Dasyleurotettix Rehn, 1904
- Genus Deltonotus Hancock, 1904
- Genus Deltonotusoides Deng, 2021
- Genus Dengonius Adžić, Deranja, Franjević & Skejo, 2020
- Genus Depressotetrix
- Genus Devrieseium Cadena-Castañeda & Tavares, 2025
- Genus Devriesetettix Tumbrinck, 2014
- Genus Dinotettix Bolivar, 1905
- Genus Diotarus Stål, 1877
- Genus Disconius Skejo, Pushkar & Tumbrinck, 2022
- Genus Discotettix Costa, 1864
- Genus Dolatettix Hancock, 1906
- Genus Dravidacris Bhaskar & Kasalo, 2022
- Genus Electrotettix Heads & Thomas, 2014 †
- Genus Eleleus Bolivar, 1887
- Genus Eomorphopus Hancock, 1906
- Genus Eotetrix Gorochov, 2012 † accepted as Tettigidea Scudder, 1862
- Genus Eozaentetrix Zessin, 2017 †
- Genus Epitadas Rehn, 1929
- Genus Epitettix Hancock, 1907
- Genus Ergatettix Kirby, 1914
- Genus Eucriotettix Hebard, 1929
- Genus Eufalconius Günther, 1938
- Genus Eufalconoides Zheng, Li & Shi, 2003
- Genus Eugavialidium Hancock, 1906
- Genus Euloxilobus Sjöstedt, 1935
- Genus Euparatettix Hancock, 1904
- Genus Euparatettixoides Zheng, 1994
- Genus Eurybiades Rehn, 1929
- Genus Eurymorphopus Hancock, 1906
- Genus Euscelimena Günther, 1938
- Genus Eutettigidea Hancock, 1914
- Genus Exothotettix Zheng & Jiang, 1993
- Genus Falconius Bolivar, 1898
- Genus Fartmanntettix Tumbrinck & Tan, 2024
- Genus Fieberiana Kirby, 1914
- Genus Flatocerus Liang & Zheng, 1984 accepted as Phaesticus Uvarov, 1940
- Genus Formosatettix Tinkham, 1937
- Genus Formosatettixoides Zheng, 1994
- Genus Formosatettoides
- Genus Garciaitettix Cadena-Castañeda & Tavares, 2025
- Genus Gavialidium Saussure, 1862
- Genus Gestroa Bolivar, 1898 accepted as Gestroana Berg, 1898
- Genus Gestroana Berg, 1898
- Genus Gibbotettix Zheng, 1992
- Genus Gignotettix Hancock, 1909
- Genus Gladiotettix Hancock, 1906 accepted as Phelene Bolivar, 1906
- Genus Grantiatra Cadena-Castañeda & Tavares, 2025
- Genus Guentheracris Skejo, Tumbrinck & Pushkar, 2024
- Genus Guntheritettix Cadena-Castañeda & Tavares, 2025
- Genus Hainantettix Deng, 2020
- Genus Haitianotettix Perez-Gelabert, Hierro & Otte, 1998
- Genus Hancockella Uvarov, 1940
- Genus Hancockia Kirby, 1914 accepted as Hancockella Uvarov, 1940
- Genus Hebardidora Cadena-Castañeda & Tavares, 2025
- Genus Hebarditettix Günther, 1938
- Genus Hedotettix Bolivar, 1887
- Genus Heteropterus Wang, 1992
- Genus Hexocera Hancock, 1915
- Genus Hildegardia Günther, 1974
- Genus Hippodes Karsch, 1890
- Genus Hirrius Bolivar, 1887
- Genus Holoarcus Hancock, 1909
- Genus Holocerus Bolivar, 1887
- Genus Hottettix Perez-Gelabert, Hierro & Otte, 1998
- Genus Hovacris Rehn, 1929
- Genus Hyboella Hancock, 1915
- Genus Hybotettix Hancock, 1900
- Genus Hydrotetrix Uvarov, 1926
- Genus Hymenotes Westwood, 1838
- Genus Hyperyboella Günther, 1938
- Genus Hypsaeus Bolivar, 1887
- Genus Hypsoeus Bolivar, 1887
- Genus Ibeotettix Rehn, 1931
- Genus Ichikawatettix Tumbrinck, 2014
- Genus Indatettix Hancock, 1915
- Genus Indomiriatra Tinkham, 1939
- Genus Indoscelimena Günther, 1938
- Genus Ingrischitettix Tumbrinck, 2014
- Genus Isandrus Rehn, 1929
- Genus Kraengia Bolivar, 1909
- Genus Lamellitettigodes Günther, 1939
- Genus Lamellitettix Hancock, 1904
- Genus Lamprauges Blackith, 1992 accepted as Phaesticus Uvarov, 1940
- Genus Lepocranus Devriese, 1991
- Genus Leptacrydium Chopard, 1945
- Genus Liotettix Bolivar, 1906
- Genus Lophoscirtus Bruner, 1910
- Genus Lophotettix Hancock, 1909
- Genus Lophotettix Bruner, 1910 accepted as Eutettigidea Hancock, 1914
- Genus Loxilobus Hancock, 1904
- Genus Macedotetrix Karaman, 1960
- Genus Macquillania Gunther, 1972
- Genus Macromotettix Günther, 1939
- Genus Macromotettixoides Zheng, Wei & Jiang, 2005
- Genus Marshallacris Rehn, 1948
- Genus Mazarredia Bolivar, 1887
- Genus Medinophyllum Hancock, 1910
- Genus Melainotettix
- Genus Merotettix Morse, 1899
- Genus Mesotettix Bei-Bienko, 1951 accepted as Mishtshenkotetrix Harz, 1973
- Genus Messeltettix Kasalo, Skejo, Tumbrinck, Wedmann & Husemann, 2024 †
- Genus Metamazarredia Günther, 1939 accepted as Mazarredia Bolivar, 1887
- Genus Metopomystrum Günther, 1939
- Genus Metrodora Bolivar, 1887
- Genus Micronotus Hancock, 1902
- Genus Microthymochares Devriese, 1991
- Genus Miriatra Bolivar, 1906
- Genus Miriatroides Zheng & Jiang, 2002
- Genus Mishtshenkotetrix Harz, 1973
- Genus Misythus Stål, 1877
- Genus Mitraria Bolivar, 1887 accepted as Miriatra Bolivar, 1906
- Genus Mitrariella Willemse, 1928
- Genus Mitrariella Hebard, 1929 accepted as Indomiriatra Tinkham, 1939
- Genus Mitritettix Hancock, 1906 accepted as Miriatra Bolivar, 1906
- Genus Mixohyboella Shishodia, 1991
- Genus Moluccasia Rehn, 1948
- Genus Morphopoides Rehn, 1931
- Genus Morphopus Bolivar, 1905
- Genus Morseidora Cadena-Castañeda & Tavares, 2025
- Genus Mucrotettix Perez-Gelabert, Hierro & Otte, 1998
- Genus Myxohyboella
- Genus Naskreckiana Kasalo, Buzzetti & Skejo, 2023
- Genus Neocoptotettix Shishodia, 1985
- Genus Neotettix Hancock, 1898
- Genus Nephele Bolivar, 1887 accepted as Phelene Bolivar, 1906
- Genus Nesotettix Holdhaus, 1908
- Genus Nomotettix Morse, 1894
- Genus Notocerus Hancock, 1900
- Genus Notredamia Skejo, Deranja & Adžić, 2020
- Genus Ochetotettix Morse in Bruner & Morse, 1900
- Genus Ocytettix Hancock, 1907
- Genus Ophiotettix Walker, 1871
- Genus Orthotettix Hancock, 1909
- Genus Orthotettoides Zheng, 1998
- Genus Otumba Morse in Bruner & Morse, 1900
- Genus Oxynotus Hancock, 1900 accepted as Oxytettix Rehn, 1929
- Genus Oxyphyllum Hancock, 1909
- Genus Oxytettix Rehn, 1929
- Genus Palaisioscaria Günther, 1936
- Genus Pantelia Bolivar, 1887
- Genus Paragavialidium Zheng, 1994
- Genus Paraguelus Günther, 1939
- Genus Parahirrius Skejo, Patano & Kasalo, 2024
- Genus Paramitraria Willemse, 1928
- Genus Paramphibotettix Günther, 1938
- Genus Paramphinotus Zheng in Zheng & Ou, 2004
- Genus Paraphyllum Hancock, 1913
- Genus Paraselina Storozhenko, 2019
- Genus Paraspartolus Günther, 1939
- Genus Paratettix Bolivar, 1887
- Genus Paraxelpa
- Genus Paulytettix Devriese, 1999
- Genus Paurotarsus Hancock, 1900
- Genus Paxilla Bolivar, 1887
- Genus Pelusca Bolivar, 1912
- Genus Peronotettix Rehn, 1952
- Genus Phaesticus Uvarov, 1940
- Genus Phaestus Bolívar, 1887 accepted as Phaesticus Uvarov, 1940
- Genus Phelene Bolivar, 1906
- Genus Phloeonotus Bolivar, 1887
- Genus Phyllonotus Hancock, 1902 accepted as Phyllotettix Hancock, 1902
- Genus Phyllotettix Hancock, 1902
- Genus Phylotettix Hancock, 1906 accepted as Phyllotettix Hancock, 1902
- Genus Piezotettix Bolivar, 1887
- Genus Plagiocephalus Fieber, 1844 accepted as Fieberiana Kirby, 1914
- Genus Planotettix Tumbrinck, 2014
- Genus Platygavialidium Günther, 1938
- Genus Platytettix Hancock, 1906
- Genus Platythorus Morse, 1900
- Genus Plectronotus Morse in Brunner & Morse, 1900
- Genus Plesiotettix Hancock, 1906
- Genus Potua Bolivar, 1887
- Genus Probolotettix Günther, 1939
- Genus Procellator Kasalo, Skejo & Cambra, 2023
- Genus Procytettix Bolivar, 1912
- Genus Prosoaltus Hancock, 1913
- Genus Prototettix Bolivar, 1887 accepted as Liotettix Bolivar, 1906
- Genus Pseudamphinotus Zheng, 1993
- Genus Pseudepitettix Zheng in Zheng & Jiang, 1994
- Genus Pseudogignotettix Liang, 1990
- Genus Pseudohancockia Zheng & Liang, 1987
- Genus Pseudohyboella Günther, 1938
- Genus Pseudomacromotettix Zheng, Li & Lin, 2012
- Genus Pseudomitraria Hancock, 1906
- Genus Pseudomytraria Hancock, 1906
- Genus Pseudoparatettix Günther, 1937
- Genus Pseudosystolederus Günther, 1939
- Genus Pseudoxistrella Liang, 1991
- Genus Pterotettix Bolivar, 1887
- Genus Puiggaria Bolivar, 1887
- Genus Rectitettix Devriese, Nguyen & Husemann, 2023
- Genus Rehniatra Cadena-Castañeda & Tavares, 2025
- Genus Rehnidium Grant, 1956
- Genus Rehnitettix Günther, 1939
- Genus Rhombotettix Skejo, Yong, Bogić & Kasalo, 2023 accepted as Phyllotettix Hancock, 1902
- Genus Rhopalina Tinkham, 1939
- Genus Rhopalotettix Hancock, 1910
- Genus Rhynchotettix Hancock, 1907
- Genus Rosacris Bolivar, 1931 accepted as Mazarredia Bolivar, 1887
- Genus Rostella Hancock, 1913
- Genus Royitettix Devriese, 1999
- Genus Rusmithia Skejo, Kasalo, Thomas & Heads, 2024
- Genus Rytinatettix Hancock, 1909
- Genus Salomonotettix Günther, 1939
- Genus Sanjetettix Devriese, 1999
- Genus Scabritettix Hancock, 1906
- Genus Scabrotettix Hancock, 1906
- Genus Scaria Bolivar, 1887
- Genus Scelhymena Bolívar, 1902 accepted as Scelimena Audinet-Serville, 1838
- Genus Scelimena Audinet-Serville, 1838
- Genus Scelymena Agassiz, 1846 accepted as Scelimena Audinet-Serville, 1838
- Genus Sciotettix Ichikawa, 2001
- Genus Sclerotettix Bruner, 1911
- Genus Selivinga Storozhenko, 2019
- Genus Seyidotettix Rehn, 1939
- Genus Sibynae Liang & Zheng, 1985
- Genus Sierratettix Perez-Gelabert, Hierro & Otte, 1998
- Genus Silanotettix Günther, 1958
- Genus Skejotettix Subedi, 2022
- Genus Spadotettix Hancock, 1910
- Genus Spartolus Stål, 1877
- Genus Stalitettix Cadena-Castañeda & Tavares, 2025
- Genus Stegaceps Hancock, 1913
- Genus Stenodorsus Hancock, 1906
- Genus Stenodorus Hancock, 1906
- Genus Storozhenkoium Cadena-Castañeda & Tavares, 2025
- Genus Storozhenkotettix Patano, Skejo, Amoroso & Kasalo, 2024
- Genus Synalibas Günther, 1939
- Genus Systolederus Bolivar, 1887
- Genus Systolotettix Hebard, 1929
- Genus Syzygotettix Günther, 1938
- Genus Syzygottix Günther, 1938 accepted as Syzygotettix Günther, 1938
- Genus Tagaloscelimena Günther, 1938
- Genus Tefrinda Bolivar, 1906
- Species Tefrinda palpata (Stål, 1877)
- Genus Tegotettix Hancock, 1913
- Genus Telmatettix Bolivar, 1887
- Genus Tepperotettix Rehn, 1952
- Genus Teredorus Hancock, 1906
- Genus Tetradinodula Zha in Zha et al., 2017
- Genus Tetratetrix Karaman, 1965
- Genus Tetricodina Westwood, 1874
- Genus Tetrix Latreille, 1802
- Genus Tetticerus Hancock, 1900
- Genus Tettiella Hancock, 1909
- Genus Tettiellona Günther, 1979
- Genus Tettigidea Scudder, 1862
- Genus Tettigodina Bolivar, 1887
- Genus Tettilobus Hancock, 1909
- Genus Tettitelum Hancock, 1915
- Genus Tettix Dalman, 1823 accepted as Tetrix Latreille, 1802
- Genus Thibron Rehn, 1939
- Genus Thoradonta Hancock, 1909
- Genus Threciscus Bolivar, 1887
- Genus Thymochares Rehn, 1929
- Genus Thymoites Günther, 1939 accepted as Moluccasia Rehn, 1948
- Genus Thyrsus Bolivar, 1887
- Genus Tiburonotus Perez-Gelabert, Hierro & Otte, 1998
- Genus Timoritettix Gunther, 1971
- Genus Tondanotettix Willemse, 1928
- Genus Trachytettix Stål, 1876
- Genus Trigonofemora Hancock, 1906
- Genus Tripetalocera Westwood, 1835
- Genus Tripetaloceroides Storozhenko, 2013
- Genus Truncotettix Perez-Gelabert, Hierro & Otte, 1998
- Genus Trusmaditetrix Storozhenko, 2023
- Genus Trypophyllum Karsch, 1890
- Genus Tuberfemurus Zheng in Chen, 1992
- Genus Tumbrinckitettix Cadena-Castañeda & Tavares, 2025
- Genus Tylotettix Morse, 1900
- Genus Uvarovitettix Bazyluk & Kis, 1960
- Genus Valalyllum Deranja, Kasalo, Adžić, Franjević & Skejo, 2022
- Genus Vaotettix Podgornaja, 1986
- Genus Vilma Steinmann, 1973
- Genus Vingselina Sjöstedt, 1921
- Genus Wiemersiella Tumbrinck, 2014
- Genus Willemsetettix Tumbrinck, 2014
- Genus Xerophyllum Fairmaire, 1846
- Genus Xiaitettix Zheng & Liang, 1993
- Genus Xistra Bolívar, 1887
- Genus Xistrella Bolívar, 1909
- Genus Xistrellula Günther, 1939
- Genus Yunnantettix Zheng, 1995
- Genus Zaphyllonotum Caudell, 1909
- Genus Zhengitettix Liang, 1994
- Genus Zvierckia Skejo, Tumbrinck & Pushkar, 2024
- Family Tettigoniidae Krauss, 1902
- Family Tettigoniidea incertae sedis
- Family Thericleidae
- Family Triassomanteidae †
- Family Tridactylidae Brullé, 1835
- Family Trigonidiidae Saussure, 1870
- Family Trigonopterygidae
- Family Tristiridae
- Family Tuphellidae †
- Family Tympanophoridae
- Family Vitimiidae †
- Family Xenopteridae †
- Family Xyronotidae
- 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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