Genus
|
Authors
|
Year
|
Status
|
Age
|
Location
|
Notes
|
Admentophoneus
|
Efremov
|
1954
|
Lapsus calami
|
N/A
|
N/A
|
Lapsus calami of Admetophoneus.
|
Admetophoneus
|
Efremov
|
1954
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Aelurognathus
|
Haughton
|
1924
|
Valid.
|
|
|
|
Aelurosauroides
|
Broom
|
1940
|
Syn.
|
N/A
|
N/A
|
Synonym of Aelurosaurus[2]
|
Aelurosauropsis
|
Broom
|
1940
|
Syn.
|
N/A
|
N/A
|
Synonym of Aelurosaurus[2]
|
Aelurosaurus
|
Owen
|
1881
|
Valid.
|
|
|
|
Aerosaurus
|
Romer
|
1937
|
Valid.
|
Late Carboniferous[3] - Lower Permian[4]
|
United States of America[4]
|
|
Agnosaurus
|
Boonstra
|
1952
|
Syn.
|
N/A
|
N/A
|
Synonym of Moschops[2]
|
Akidnognathus
|
Haughton
|
1918
|
Valid.
|
|
|
|
Alopecodon
|
Broom
|
1908
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Alopecognathus
|
Broom
|
1915
|
Valid.
|
|
|
|
Alopecopsis
|
Broom
|
1920
|
Syn.
|
N/A
|
N/A
|
Synonym of Theriognathus[6]
|
Alopecorhinus
|
Broom
|
1912
|
Valid.
|
|
|
|
Aloposauroides
|
Brink
Kitching
|
1953
|
Syn.
|
N/A
|
N/A
|
Synonym of Aloposaurus[2]
|
Aloposaurus
|
Broom
|
1910
|
Valid.
|
|
|
|
Aneugomphius
|
Broom
Robinson
|
1949
|
Syn.
|
N/A
|
N/A
|
Synonym of Theriognathus[6]
|
Angelosaurus
|
Olsen
Beerbower
|
1953
|
Valid.
|
Upper Permian[7]
|
United States of America[7]
|
|
Anglosaurus
|
Olson
Barghusen
|
1962
|
Valid.
|
Upper Permian[8]
|
United States of America[8]
|
|
Angonisaurus
|
Cox
|
1983
|
Valid.?
|
Middle Triassic[9]
|
Tanzania[9]
|
May be synonym of Shansiodon[9]
|
Annatherapsidus
|
Kuhn
|
1961
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Anningia
|
Broom
|
1927
|
Nomen vanum
|
Permian[11]
|
South Africa[11]
|
Declared to be a nomen vanum after a restudy of the type specimen.[11]
|
Anomocephalus
|
Modesto
Rubidge
Welman
|
1999
|
Valid.
|
Upper Permian[12]
|
South Africa[12]
|
|
Anomodon
|
Keyser
|
1975
|
Valid.
|
|
|
|
Anoplosuchus
|
Tchudinov
|
1968
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Antecosuchus
|
Tatarinov
|
1973
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Anteosaurus
|
Watson
|
1921
|
Valid.
|
Upper Permian
|
South Africa
|
|
Archaeobelus
|
Cope
|
1877
|
Syn.
|
N/A
|
N/A
|
Synonym of Clepsydrops[8]
|
Archaeosuchus
|
Broom
|
1905
|
Valid.
|
|
|
|
Archaeosyodon
|
Tchudinov
|
1960
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Archaeothyris
|
Reisz
|
1972
|
Valid.
|
Late Carboniferous[3]
|
United States of America
|
|
Archaeovenator
|
Reisz
Dilkes
|
2003
|
Valid.
|
Upper Carboniferous[13]
|
United States of America[13]
|
|
Arctognathoides
|
Boonstra
|
1934
|
Valid.
|
|
|
|
Arctognathus
|
Broom
|
1911
|
Valid.
|
|
|
|
Arctops
|
Watson
|
1914
|
Valid.
|
|
|
|
Arctosuchus
|
Broom
|
1911
|
Valid.
|
|
|
|
Arnognathus
|
Broom
|
1907
|
Valid.
|
|
|
|
Arribasaurus
|
Williston
|
1914
|
Syn.
|
N/A
|
N/A
|
Synonym of Ophiacodon[2]
|
Aulacocephalodon
|
Seeley
|
1898
|
Valid.
|
N/A
|
N/A
|
Synonym of Aulacephalodon[2]
|
Aulacephalodon
|
Seeley
|
1898
|
Valid.
|
Middle-Upper Permian[5]
|
South Africa[5]
|
|
Australosyodon
|
Rubidge
|
1994
|
Valid.
|
Middle-Upper Permian[14]
|
South Africa[14]
|
|
Avenantia
|
Boonstra
|
1952
|
Valid.
|
|
|
|
Baldwinonus
|
Romer
Price
|
1940
|
Valid.
|
Late Carboniferous[3] - Early Permian[15]
|
United States of America[15]
|
|
Barysoma
|
Cox
|
1965
|
Valid.
|
|
|
|
Basicranodon
|
Vaughn
|
1958
|
Valid.
|
Lower Permian[3]
|
United States of America[3]
|
|
Bathyglyptus
|
Case
|
1911
|
Syn.
|
N/A
|
N/A
|
Synonym of Dimetrodon[2]
|
Bathygnathus
|
Leidy
|
1854
|
Valid.
|
Lower Permian[8]
|
United States of America[8]
|
|
Bauria
|
Broom
|
1909
|
Valid.
|
|
|
|
Baurioides
|
Broom
|
1925
|
Syn.
|
N/A
|
N/A
|
Synonym of Bauria[2]
|
Bayloria
|
Oldon
|
1941
|
Syn.
|
Lower Permian[16]
|
United States of America[16]
|
Immature specimen of the captorhinid reptile Captorhinus aguti[16]
|
Belesodon
|
von Huene
|
1936
|
Syn.
|
N/A
|
N/A
|
Different growth stage of the genus Chiniquodon[17]
|
Biarmosaurus
|
Tchudinov
|
1960
|
Syn.
|
N/A
|
N/A
|
Synonym of Biarmosuchus[2]
|
Biarmosuchoides
|
Tverdokhlebova
Ivakhnenko
|
1994
|
Valid.
|
Upper Permian[18]
|
Russia[18]
|
|
Biarmosuchus
|
Tchudinov
|
1960
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Bienotherium
|
Young
|
1940
|
Valid.
|
Lower Jurassic[9]
|
China[9]
|
|
Bienotheroides
|
Young
|
1982
|
Valid.
|
Middle-Late Jurassic[19]
|
China and Mongolia[19]
|
|
Biseridens
|
Li
Cheng
|
1997
|
Valid.
|
Upper Permian[20]
|
China[20]
|
|
Bolotridon
|
Coad
|
1977
|
Valid.
|
|
|
|
Boreogomphodon
|
Sues
Olsen
|
1990
|
Valid.
|
Late Triassic[21]
|
United States of America[21]
|
|
Brachycnemius
|
Williston
|
1911
|
Syn.
|
N/A
|
N/A
|
Synonym of Edaphosaurus[8][2]
|
Brachyprosopus
|
Olson
|
1937
|
Valid.
|
|
|
|
Brachyuraniscus
|
Broili
Schroeder
|
1935
|
Valid.
|
Middle Permian[8]
|
South Africa[8]
|
|
Brasilitherium
|
Bonaparte
Martinelli
Schultz
Rubert
|
2003
|
Valid.
|
Late Triassic[22]
|
Brazil[22]
|
|
Brasilodon
|
Bonaparte
Martinelli
Schultz
Rupert
|
2003
|
Valid.
|
Late Triassic[22]
|
Brazil[22]
|
|
Brithopus
|
Kutorga
|
1838
|
Valid.
|
Middle Permian[10]
|
Russia[10]
|
|
Broilius
|
Toerien
|
1953
|
Valid.
|
|
|
|
Broornosuchus
|
Camp
Taylor
Welles
|
1942
|
Valid.
|
|
|
|
Broomicephalus
|
Brink
Kitching
|
1953
|
Valid.
|
|
|
|
Broomisaurus
|
Joleaud
|
1920
|
Valid.
|
|
|
|
Broomosuchus
|
Camp
Taylor
Welles
|
1942
|
Syn.
|
N/A
|
N/A
|
Synonym of Anteosaurus[2]
|
Bullacephalus
|
Rubidge
Kitching
|
2003
|
Valid.
|
|
|
|
Burnetia
|
Broom
|
1923
|
Valid.
|
Upper Permian[23]
|
South Africa[23]
|
|
Calleonasus
|
Kalandadze
|
1985
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Casea
|
Williston
|
1910
|
Valid.
|
Lower Permian[3]
|
France and United States of America[3]
|
|
Caseoides
|
Olson
Beerbower
|
1953
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Caseopsis
|
Olson
|
1962
|
Valid.
|
|
|
|
Cephalicustroidus
|
Parrington
|
1974
|
Valid.
|
|
|
|
Cerataelurus
|
Broom
|
1931
|
Valid.
|
|
|
|
Cerdodon
|
Broom
|
1915
|
Valid.
|
|
|
|
Cerdorhinus
|
Broom
|
1936
|
Valid.
|
|
|
|
Chalepotherium
|
Simpson
|
1928
|
Syn.
|
N/A
|
N/A
|
Synonym of Oligokyptus[2]
|
Chaliminia
|
Bonaparte
|
1980
|
Valid.
|
Upper Triassic[17]
|
Brazil[17]
|
|
Chanaria
|
Cox
|
1968
|
Valid.
|
|
|
|
Charassognathus
|
Botha
Abdala
Smith
|
2007
|
Valid.
|
|
|
|
Charruodon
|
Abdala
Ribeiro
|
2000
|
Valid.
|
Late Triassic[24]
|
Brazil[24]
|
|
Chelyodontops
|
Cluver
|
1975
|
Valid.
|
|
|
|
Chiniquodon
|
von Huene
|
1936
|
Valid.
|
Middle-Upper Triassic[17]
|
Argentina and Brazil[17]
|
|
Chiwetasaurus
|
Haughton
|
1926
|
Syn.
|
N/A
|
N/A
|
Synonym of Gorgonops[2]
|
Chthomaloporus
|
Tchudinov
|
1964
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Chthonosaurus
|
Vjuschkov
|
1955
|
Valid.
|
Upper Permian[18]
|
Russia[18]
|
|
Cistecephaloides
|
Cluver
|
1974
|
Valid.
|
|
|
|
Cistecephalus
|
Owen
|
1876
|
Valid.
|
Middle-Upper Permian[5]
|
South Africa, Zambia and India[5]
|
|
Clelandina
|
Broom
|
1948
|
Valid.
|
|
|
|
Clepsydrops
|
Cope
|
1875
|
Valid.
|
Late Carboniferous[8]
|
United States of America[8]
|
|
Colobodectes
|
Modesto
Rubidge
Visser
Welman
|
2003
|
Valid.
|
|
|
|
Colobomycter
|
Vaughn
|
1958
|
Valid.
|
Lower Permian[8]
|
United States of America[8]
|
Its a protorothyridid eureptile[25]
|
Compsodon
|
van Hoepen
|
1934
|
Valid.
|
|
|
|
Cotylorhynchus
|
Stovall
|
1937
|
Valid.
|
Lower Permian[3]
|
United States of America[3]
|
|
Crapartinella
|
Mendrez
|
1975
|
Valid.
|
|
|
|
Cragievanus
|
Brink
|
1965
|
Syn.
|
N/A
|
N/A
|
Synonym of Diademodon[2]
|
Criocephalosaurus
|
Kammerer
Sidor
|
2002
|
Valid.
|
Middle Permian[5]
|
Zimbabwe[5]
|
|
Cristonasus
|
Surkov
|
1999
|
Valid.
|
Middle Triassic[26]
|
Russia[26]
|
|
Cromptodon
|
Bonaparte
|
1972
|
Valid.
|
|
|
|
Cryptocynodon
|
Seeley
|
1895
|
Valid.
|
|
|
|
Cteniosaurus
|
Broom
|
1935
|
Valid.
|
|
|
|
Ctenorhachis
|
Hook
Hotton
|
1991
|
Valid.
|
|
|
|
Ctenospondylus
|
Romer
|
1936
|
Valid.
|
|
|
|
Cutleria
|
Lewis
Vaughn
|
1965
|
Syn.
|
N/A
|
N/A
|
Synonym of Haptodus[2]
|
Cynochampsa
|
Owen
|
1859
|
Syn.
|
N/A
|
N/A
|
Synonym of Diademodon[2]
|
Cynognathus
|
Seeley
|
1895
|
Valid.
|
Lower-Middle Triassic[27]
|
South Africa and Argentina[27]
|
|
Cyonosaurus
|
Olsen
|
1937
|
Valid.
|
Upper Permian[8]
|
South Africa[8]
|
|
Cynosaurus
|
Schmidt
|
1927
|
Valid.
|
|
|
|
Dadadon
|
Flynn
Parrish
Rakotosamimanana
Ranivoharimanana
Wyss
|
2000
|
Valid.
|
Middle-Late Triassic[28]
|
Madagascar[28]
|
|
Daptocephalus
|
van Hoepen
|
1934
|
Syn.
|
N/A
|
N/A
|
Synonym of Dicynodon[2]
|
Daqingshanodon
|
Zhu
|
1989
|
Syn.
|
N/A
|
N/A
|
Synonym of Dicynodon[9]
|
Deccanodon
|
Nath
Yadagiri
|
2007
|
Valid.
|
Upper Triassic[29]
|
India[29]
|
|
Delorhynchus
|
Fox
|
1962
|
Valid.
|
Lower Permian[15]
|
United States of America[15]
|
|
Delphaciognathus
|
Broom
|
1932
|
Valid.
|
|
|
|
Delphinognathus
|
Seeley
|
1892
|
Valid.
|
|
|
|
Deuterosaurus
|
Eichwald
|
1860
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Diademodon
|
Seeley
|
1895
|
Valid.
|
Lower-Middle Triassic[17]
|
South Africa[17]
|
|
Diaelurodon
|
Broom
|
1911
|
Valid.
|
|
|
|
Dianzhongia
|
Cui
|
1981
|
Valid.
|
Lower Jurassic[9]
|
China[9]
|
|
Dicynodon
|
Owen
|
1845
|
Valid.
|
Upper Permian[1]
|
Gondwana and Lausaria[1]
|
|
Dicynodontoides
|
Broom
|
1845
|
Valid.
|
|
|
|
Digalodon
|
Broom
Robinson
|
1948
|
Valid.
|
|
|
|
Diictodon
|
Broom
|
1913
|
Valid.
|
Upper Permian[9]
|
China[9] and South Africa[5]
|
|
Dimacrodon
|
Olson
Beerbower
|
1953
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Dimetrodon
|
Cope
|
1878
|
Valid.
|
Early Permian[30]
|
United States of America[30]
|
|
Dinanomodon
|
Broom
|
1938
|
Syn.
|
N/A
|
N/A
|
Synonym of Dicynodon[2]
|
Dinodontosaurus
|
Romer
|
1943
|
Valid.
|
|
|
|
Dinogorgon
|
Broom
|
1936
|
Valid.
|
|
|
|
Dinophoneus
|
Broom
|
1923
|
Syn.
|
N/A
|
N/A
|
Synonym of Jonkeria[2]
|
Dinosaurus
|
author
author
|
19xx
|
Valid.
|
|
|
|
Dinosuchus
|
Broom
|
1936
|
Syn.
|
N/A
|
N/A
|
Synonym of Anteosaurus[2]
|
Diopaeus
|
Cope
|
1892
|
Syn.
|
N/A
|
N/A
|
Synonym of Ophiacodon[2]
|
Dixeya
|
Haughton
|
1926
|
Syn.
|
N/A
|
N/A
|
Synonym of Aelurognathus [2]
|
Dolichuranus
|
Keyser
|
1973
|
Valid.?
|
Middle Triassic[9]
|
Zambia[9]
|
May be synonym of Shansiodon[9]
|
Doliosauriscus
|
Kuhn
|
1961
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
Replacement name for Doliosaurus Orlov, 1958
|
Doliosaurus
|
Orlov
|
1958
|
Preocc.
|
N/A
|
N/A
|
Preoccupied by lizard Doliosaurus Girard, 1858 (Sauria: Iguania)
|
Dongusaurus
|
Vjuschkov
|
1964
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Dragocephalus
|
Brink
Kitching
|
1953
|
Valid.
|
|
|
|
Driveria
|
Olson
|
1962
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Dvinia
|
Amalitskii
|
1922
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Echinerpeton
|
Reisz
|
1972
|
Valid.
|
|
|
|
Ecteninion
|
Martinez
May
Forster
|
1996
|
Valid.
|
Upper Triassic[17]
|
Argentina[17]
|
|
Edaphosaurus
|
Cope
|
1882
|
Valid.
|
Late Carboniferous[30] - Lower Permian[31]
|
Czech Republic [30] and United States of America[31]
|
|
Edaxosaurus
|
Kalandadze
|
1985
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Elatosaurus
|
Kalandadze
|
1985
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Elcabrosaurus
|
Case
|
1907
|
Syn.
|
|
|
|
Elephantosaurus
|
Vjuschkov
|
1969
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Elliotherium
|
Sidor
Hancox
|
2006
|
Valid.
|
Upper Triassic[32]
|
South Africa[32]
|
|
Elliotsmithia
|
Broom
|
1937
|
Valid.
|
Middle-Upper Permian[33]
|
South Africa[33]
|
|
Embolophorus
|
Cope
|
1878
|
Valid.
|
N/A
|
N/A
|
Synonym of Dimetrodon[2]
|
Emydochampsa
|
Broom
|
1912
|
Syn.
|
N/A
|
N/A
|
Synonym of Endothiodon[34]
|
Emydops
|
Broom
|
1912
|
Valid.
|
Middle Permian[5]
|
South Africa and India[5]
|
|
Emydopsoides
|
van Hoepen
|
1934
|
Valid.
|
|
|
|
Emydorhynchus
|
Broom
|
1935
|
Valid.
|
|
|
|
Emydorhinus
|
Broom
|
1935
|
Valid.
|
|
|
|
Emyduranus
|
Broom
|
1921
|
Valid.
|
|
|
|
Endogomphodon
|
Broom
|
1932
|
Syn.
|
N/A
|
N/A
|
Synonym of Endothiodon[34]
|
Endothiodon
|
Owen
|
1876
|
Valid.
|
Upper Permian[34]
|
South Africa, Tanzania[34], Malawi and India[5]
|
|
Ennatosaurus
|
Efremov
|
1956
|
Valid.
|
Lower Permian[10]
|
Russia[10]
|
|
Eoarctops
|
Haughton
|
1929
|
Valid.
|
|
|
|
Eocyclops
|
Broom
|
1913
|
Syn.
|
N/A
|
N/A
|
Synonym of Rhachiocephalus[2]
|
Eodicynodon
|
Barry
|
1974
|
Valid.
|
Middle-Upper Permian[35]
|
South Africa[35]
|
|
Eosimops
|
Broom
|
1922
|
Valid.
|
|
|
|
Eosyodon
|
Olson
|
1962
|
Valid.
|
Upper Permian[8]
|
United States of America[8]
|
|
Eothyris
|
Romer
|
1937
|
Valid.
|
Lower Permian[4]
|
United States of America[4]
|
|
Eotitanosuchus
|
Tchudinov
|
1960
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Ericiolacerta
|
Watson
|
1931
|
Valid.
|
Early Triassic[30]
|
South Africa[30]
|
|
Eriphostoma
|
Broom
|
1911
|
Valid.
|
|
|
|
Esoterodon
|
Seeley
|
1895
|
Syn.
|
N/A
|
N/A
|
Synonym of Endothiodon[34]
|
Estemmenosuchus
|
Tchudinov
|
1960
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Euchambersia
|
Broom
|
1931
|
Valid.
|
|
|
|
Eumantellia
|
Broom
|
1935
|
Valid.
|
|
|
|
Eumatthevia
|
Broom
|
1930
|
Syn.
|
N/A
|
N/A
|
Synonym of Mycterosaurus[2]
|
Eurosaurus
|
Eichwald
|
1860
|
Valid.
|
|
|
|
Eurychororhinus
|
Broili
Schroeder
|
1935
|
Valid.
|
|
|
|
Exaeretodon
|
Cabrera
|
1943
|
Valid.
|
Upper Triassic[36]
|
Brazil and Argentina[36]
|
|
Galechirus
|
Broom
|
1907
|
Valid.
|
Upper Permian[12]
|
South Africa[12]
|
|
Galeops
|
Broom
|
1912
|
Valid.
|
Upper Permian[12]
|
South Africa[12]
|
|
Galepus
|
Broom
|
1910
|
Valid.
|
Upper Permian[12]
|
South Africa[12]
|
|
Galerhynchus
|
Broom
|
1936
|
Syn.
|
N/A
|
N/A
|
Synonym of Cerdorhinus[2]
|
Galesaurus
|
Owen
|
1859
|
Valid.
|
|
|
|
Galesuchus
|
Haughton
|
1915
|
Valid.
|
|
|
|
Geikia
|
Newton
|
1892
|
Valid.
|
|
|
|
Glanosuchus
|
Broom
|
1904
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Glaucosaurus
|
Williston
|
1915
|
Valid.
|
Lower Permian[37]
|
United States of America[37]
|
|
Glochinodontoides
|
Haughton
|
1924
|
Valid.
|
|
|
|
Gomphognathus
|
Seeley
|
1895
|
Syn.
|
N/A
|
N/A
|
Synonym of Diademodon[2]
|
Gorgodon
|
Olson
|
1962
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Gordonia
|
Newton
|
1893
|
Valid.
|
|
|
|
Gorgonocephalus
|
author
author
|
19xx
|
Preocc.
|
|
|
Preoccupied by echinoderm Gorgonocephalus Leach, 1815
|
Gorgonops
|
Owen
|
1876
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Habayia
|
Godefroit
|
1999
|
Valid.
|
Upper Triassic[38]
|
Belgium[38]
|
|
Haptodus
|
Gaudry
|
1866
|
Valid.
|
Late Carboniferous[3] - Lower Permian[17]
|
United States of America[3] and Europe[17]
|
|
Haughtoniana
|
Boonstra
|
1938
|
Valid.
|
|
|
|
Hazhenia
|
Sun
Hou
|
1981
|
Valid.
|
Lower Triassic[9]
|
China[9]
|
|
Heleosaurus
|
Broom
|
1907
|
Valid.
|
Upper Permian[39]
|
South Africa[39]
|
|
Heuneus
|
Toerien
|
1953
|
Valid.
|
|
|
|
Hexacynodon
|
Tatarinov
|
1976
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Hipposauroides
|
Boonstra
|
1952
|
Valid.
|
|
|
|
Hipposaurus
|
Haughton
|
1929
|
Valid.
|
Middle Permian[17]
|
South Africa[17]
|
|
Hofmeyria
|
Broom
|
1935
|
Valid.
|
|
|
|
Homodontosaurus
|
Broom
|
1949
|
Valid.
|
|
|
|
Hyenosaurus
|
Broom
|
1935
|
Syn.
|
N/A
|
N/A
|
Synonym of Theriognathus[6]
|
Ianthodon
|
Kissel
Reisz
|
2004
|
Valid.
|
|
|
|
Ianthasaurus
|
Reisz
Berman
|
1986
|
Valid.
|
Late Carboniferous[31]
|
United States of America[31]
|
|
Ianthosaurus
|
Reisz
Berman
|
1986
|
Sic
|
N/A
|
N/A
|
Incorret spelling of Ianthasaurus
|
Ictidognathus
|
Broom
|
1911
|
Syn.
|
N/A
|
N/A
|
Synonym of Ictidostoma[2]
|
Ictidopsis
|
Broom
|
1912
|
Syn.
|
N/A
|
N/A
|
Synonym of Thrinaxodon[40]
|
Ictidorhinus
|
Broom
|
1913
|
Valid.
|
Upper Permian[17]
|
South Africa[17]
|
|
Ictidostoma
|
Broom
|
1931
|
Valid.
|
|
|
|
Ictidosuchoides
|
Broom
|
1931
|
Valid.
|
Upper Permian - Lower Triassic[41]
|
South Africa[41]
|
|
Ictidosuchops
|
Broom
|
1938
|
Valid.
|
|
|
|
Ictidosuchus
|
Broom
|
1910
|
Valid.
|
|
|
|
Idelesaurus
|
Kurkin
|
2006
|
Valid.
|
Upper Permian[42]
|
Russia[42]
|
|
Inostrancevia
|
Amalitskii
|
1922
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Ischigualastia
|
Cox
|
1962
|
Valid.
|
Upper Triassic[17]
|
Argentina[17]
|
|
Ivantosaurus
|
Tchudinov
|
1983
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Jachaleria
|
Bonaparte
|
1971
|
Valid.
|
|
|
|
Jacheleria
|
Bonaparte
|
1971
|
Sic
|
N/A
|
N/A
|
Incorrect spelling of Jachaleria
|
Jimusaria
|
Sun
|
1963
|
Syn.
|
N/A
|
N/A
|
Synonym of Dicynodon[9]
|
Jonkeria
|
van Hoepen
|
1916
|
Valid.
|
|
|
|
Kannemeyeria
|
Seeley
|
1908
|
Valid.
|
Lower Triassic[9]
|
China, Namibia, South Africa, Tanzania, Zambia, Argentina[9]
|
If Rechnisaurus and Uralokannemeyeria are considered synonyms, the range also include Russia and India
|
Kawingasaurus
|
Cox
|
1972
|
Valid.
|
Middle Permian[5]
|
Tanzania[5]
|
|
Kayentatherium
|
Kermack
|
1982
|
Valid.
|
Lower Jurassic[17]
|
United States of America[17]
|
|
Keratocephalus
|
von Huene
|
1931
|
Valid.
|
|
|
|
Kingoria
|
Cox
|
1959
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Kitchingia
|
Broom
George
|
1950
|
Syn.
|
N/A
|
N/A
|
Synonym of Rhachiocephalus[2]
|
Knoxosaurus
|
Olson
|
1962
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Kombusia
|
Hotton
|
1974
|
Valid.
|
Upper Permian - Lower Triassic[17]
|
South Africa[17]
|
|
Koupia
|
Boonstra
|
1948
|
Valid.
|
|
|
|
Kunminia
|
Young
|
1947
|
Nomen dubium
|
Lower Jurassic[9]
|
China[9]
|
Possible synonym of Morganucodon[9]
|
Kunpania
|
Sun
|
1973
|
Syn.
|
N/A
|
N/A
|
Synonym of Dicynodon[9]
|
Kwazulusaurus
|
Maisch
|
2002
|
Valid.
|
Upper Permian[41]
|
South Africa[41]
|
|
Lamiasaurus
|
Watson
|
1914
|
Valid.
|
|
|
|
Lanthanocephalus
|
Modesto
Rubidge
Welman
|
2002
|
Preocc.
|
N/A
|
N/A
|
Preoccupied by cnidarian Lanthanocephalus Williams & Starmer, 2000
|
Lanthanostegus
|
Modesto
Rubidge
Welman
|
2003
|
Valid.
|
Upper Permian[43]
|
South Africa[43]
|
Replacement name by Lanthanocephalus Modesto, Rubidge & Welman, 2002
|
Lemurosaurus
|
Broom
|
1949
|
Valid.
|
Upper Permian[44]
|
South Africa[44]
|
|
Leontocephalus
|
Broom
|
1940
|
Valid.
|
|
|
|
Leptotrachelus
|
Watson
|
1921
|
Syn.
|
N/A
|
N/A
|
Synonym of Gorgonops[2]
|
Likhoelia
|
Ginsburg
|
1961
|
Syn.
|
N/A
|
N/A
|
Synonym of Tritylodon[2]
|
Limnostygis
|
Carroll
|
1967
|
Valid.
|
|
|
|
Lobalopex
|
Sidor
Hopson
Keyser
|
2004
|
Valid.
|
Middle-Upper Permian[45]
|
South Africa[45]
|
|
Lophorhinus
|
Sidor
Smith
|
2007
|
Valid.
|
Middle Permian[46]
|
South Africa[46]
|
|
Luangwa
|
Brink
|
1963
|
Valid.
|
Middle Triassic[17]
|
Zambia[17]
|
|
Lufengia
|
Chow
Hu
|
1959
|
Valid.
|
Lower Jurassic[9]
|
China[9]
|
|
Lumkuia
|
Hopson
Kitching
|
2001
|
Valid.
|
Lower Triassic[17]
|
South Africa[17]
|
|
Lupeosaurus
|
Romer
|
1937
|
Valid.
|
Lower Permian[4]
|
United States of America[4]
|
|
Lycaenodon
|
Broom
|
1925
|
Valid.
|
Upper Permian[47]
|
South Africa[47]
|
|
Lycaenodontoides
|
Haughton
|
1929
|
Syn.
|
N/A
|
N/A
|
Synonym of Arctognathus[2]
|
Lycaenoides
|
Broom
|
1925
|
Valid.
|
|
|
|
Lycaenops
|
Broom
|
1925
|
Valid.
|
Middle-Upper Permian[5]
|
South Africa[5]
|
|
Lycideops
|
Broom
|
1931
|
Valid.
|
|
|
|
Lycosuchus
|
Broom
|
1903
|
Valid.
|
|
|
|
Lystrosaurus
|
Cope
|
1870
|
Valid.
|
Upper Permian - Early Triassic[41]
|
South Africa, Zambia, India, China, Mongolia, Russia, Antarctica, Australia and Laos[41]
|
|
Macrornerion
|
Fritsch
|
1879
|
Valid.
|
|
|
|
Madysaurus
|
Tatarinov
|
2005
|
Valid.
|
|
|
|
Massetognathus
|
Romer
|
1967
|
Valid.
|
Middle Triassic[48]
|
Brazil and Argentina[48]
|
|
Mastersonia
|
Olson
|
1962
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Megacyclops
|
Broom
|
1931
|
Preocc.
|
N/A
|
N/A
|
Preoccupied by crustacean Megacyclops Kiefer, 1927. Synonym of Rhachiocephalus[2]
|
Megagomphodon
|
Romer
|
1972
|
Syn.
|
N/A
|
N/A
|
Synonym of Massetognathus[2]
|
Megawhaitsia
|
Ivakhnenko
|
2008
|
Valid.
|
Upper Permian[6]
|
Russia[6]
|
|
Melinodon
|
Broom
|
1905
|
Syn.
|
N/A
|
N/A
|
Synonym of Bauria[2]
|
Menadon
|
Flynn
Parrish
Rakotosamimanana
Ranivoharimanana
Wyss
|
2000
|
Valid.
|
Middle-Late Triassic[28]
|
Madagascar[28]
|
|
Mesenosaurus
|
Efremov
|
1938
|
Valid.
|
Lower Permian[10]
|
Russia[10]
|
|
Mesonosaurus
|
Ivakhnenko
Kurzanov
|
1979
|
Sic
|
N/A
|
N/A
|
Incorret spelling of Mesenosaurus
|
Micranteosaurus
|
Boonstra
|
1954
|
Valid.
|
|
|
|
Micrictodon
|
Broom
|
1937
|
Syn.
|
N/A
|
N/A
|
Synonym of Thrinaxodon[40]
|
Microgomphodon
|
Seeley
|
1895
|
Syn.
|
N/A
|
N/A
|
Synonym of Bauria[2]
|
Microsyodon
|
Ivakhnenko
|
1995
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Microurania
|
Ivakhnenko
|
1996
|
Valid.
|
Upper Permian[18]
|
Russia[18]
|
|
Milosaurus
|
DeMar
|
1970
|
Valid.
|
Upper Carboniferous[8]
|
United States of America[8]
|
|
Mnemeiosaurus
|
Nopsca
|
1928
|
Syn.
|
N/A
|
N/A
|
Synonymy of Deuterosaurus[1]
|
Molybdopygus
|
Tchudinov
|
1964
|
Valid.
|
|
|
|
Mormosaurus
|
Watson
|
1914
|
Valid.
|
|
|
|
Moschognathus
|
Broom
|
1914
|
Syn.
|
N/A
|
N/A
|
Synonym of Moschops[2]
|
Moschoides
|
Byrne
|
1937
|
Syn.
|
N/A
|
N/A
|
Synonym of Moschops[2]
|
Moschops
|
Broom
|
1911
|
Valid.
|
Upper Permian[30]
|
South Africa[30]
|
|
Moschorhinus
|
Broom
|
1920
|
Valid.
|
Upper Permian - Lower Triassic[41]
|
South Africa[41]
|
|
Moschosaurus
|
Haughton
|
1915
|
Valid.
|
|
|
|
Moschowhaitsia
|
Tatarinov
|
1963
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Mucrotherium
|
von Huene
|
1933
|
Syn.
|
N/A
|
N/A
|
Synonym of Oligokyptus[2]
|
Mycterosaurus
|
Williston
|
1915
|
Valid.
|
Lower Permian[3]
|
United States of America[3]
|
|
Myctosuchus
|
Efremov
|
1937
|
Syn.
|
N/A
|
N/A
|
Synonym of Venjukovia[2]
|
Myosauroides
|
Broom
|
1949
|
Valid.
|
|
|
|
Myosaurus
|
Haughton
|
1917
|
Valid.
|
Lower Triassic[49]
|
South Africa and Antarctica[49]
|
|
Nanictocephalus
|
Broom
|
1940
|
Valid.
|
|
|
|
Nanictops
|
author
author
|
19xx
|
Valid.
|
|
|
|
Nanictosaurus
|
Broom
|
1936
|
Valid.
|
|
|
|
Nanocynodon
|
Tatarinov
|
1968
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Nanogomphodon
|
Hopson
Sues
|
2006
|
Valid.
|
Middle Triassic[50]
|
Germany[50]
|
|
Naosaurus
|
Cope
|
1886
|
Syn.
|
N/A
|
N/A
|
Synonym of Edaphosaurus[31]
|
Nasoplanites
|
Surkov
|
1999
|
Valid.
|
Middle Triassic[26]
|
Russia[26]
|
|
Nearctylodon
|
Lewis
|
1986
|
Syn.
|
N/A
|
N/A
|
Synonym of Kayentatherium[2]
|
Neomegacyclops
|
Broom
|
1931
|
Syn.
|
N/A
|
N/A
|
Synonym of Rhachiocephalus[2]
|
Neosaurus
|
Nopsca
|
1923
|
Valid.
|
|
|
|
Newtonella
|
Broom
|
1937
|
Valid.
|
|
|
|
Niaftasuchus
|
Ivakhnenko
|
1990
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Nikkasaurus
|
Ivakhnenko
|
2000
|
Valid.
|
|
|
|
Nitosaurus
|
Romer
|
1937
|
Valid.
|
Lower Permian[4]
|
United States of America[4]
|
|
Niuksenitia
|
Tatarinov
|
1977
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Notaelurops
|
Broom
|
1936
|
Syn.
|
N/A
|
N/A
|
Synonym of Theriognathus[6]
|
Notosollasia
|
Broom
|
1925
|
Syn.
|
N/A
|
N/A
|
Synonym of Theriognathus[6]
|
Notosyodon
|
Tchudinov
|
1968
|
Valid.
|
Upper Permian[1]
|
Kazakhstan[1]
|
|
Nothogomphodon
|
Tatarinov
|
1976
|
Valid.
|
Middle Triassic[26]
|
Russia[26]
|
|
Odontocyclops
|
Keyser
Cruickshank
|
1979
|
Syn.
|
N/A
|
N/A
|
Synonym of Rhachiocephalus[2]
|
Oedaleops
|
Langston
|
1965
|
Valid.
|
Lower Permian[15]
|
United States of America[15]
|
|
Oligokyphus
|
Henning
|
1922
|
Valid.
|
Lower Jurassic[9]
|
China, England, Germany and United States of America[9]
|
|
Ophiacodon
|
Marsh
|
1878
|
Valid.
|
Late Carboniferous-Lower Permian[3]
|
United States of America[3]
|
|
Ordosia
|
Hou
|
1979
|
Syn.
|
N/A
|
N/A
|
Synonym of Ordosiodon[9]
|
Ordosiodon
|
Young
|
1961
|
Valid.
|
Lower Triassic[9]
|
China[9]
|
|
Oromycter
|
Reisz
|
2005
|
Valid.
|
|
|
|
Orthopus
|
Kutorga
|
1838
|
Valid.
|
|
|
|
Otsheria
|
Tchudinov
|
1960
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Oudenodon
|
Owen
|
1860
|
Valid.
|
Middle-Upper Permian[51]
|
South Africa, Zambia, Madagascar[51], Malawi and India[5]
|
|
Oxyodon
|
Huene
|
1908
|
Syn.
|
N/A
|
N/A
|
Synonym of Sphenacodon[2]
|
Pachydectes
|
Rubidge
Sidor
Modesto
|
2006
|
Valid.
|
Middle Permian[52]
|
South Africa[52]
|
|
Pachyrhinos
|
Broili
Schroeder
|
1934
|
Syn.
|
N/A
|
N/A
|
Synonym of Gorgonops[2]
|
Pachytegos
|
Haughton
|
1932
|
Valid.
|
Upper Permian[34]
|
Tanzania[34]
|
|
Palaeohatteria
|
Credner
|
1888
|
Syn.
|
N/A
|
N/A
|
Synonym of Haptodus[2]
|
Palemydops
|
Broom
|
1921
|
Valid.
|
|
|
|
Pantelosaurus
|
von Huene
|
1925
|
Syn.
|
N/A
|
N/A
|
Synonym of Haptodus[2]
|
Parabradysaurus
|
Efremov
|
1954
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Paraburnetia
|
Smith
Rubidge
Sidor
|
2006
|
Valid.
|
Upper Permian[53]
|
South Africa[53]
|
|
Paragalerhinus
|
Sigogneau-Russell
|
1970
|
Valid.
|
|
|
|
Parakennemeyeria
|
Sun
|
1960
|
Valid.
|
Lower-Middle Triassic[9]
|
China[9]
|
|
Paranteosaurus
|
Boonstra
|
1954
|
Valid.
|
|
|
|
Parascapanodon
|
Boonstra
|
1955
|
Syn.
|
N/A
|
N/A
|
Synonym of Parascapanodon[2]
|
Parathrinaxodon
|
Parrington
|
1936
|
Valid.
|
|
|
|
Pardocephalus
|
Broom
|
1948
|
Syn.
|
N/A
|
N/A
|
Synonym of Arctops[2]
|
Parringtoniella
|
Toerien
|
1953
|
Valid.
|
|
|
|
Parvobestiola
|
Surkov
|
1999
|
Valid.
|
Middle Triassic[26]
|
Russia[26]
|
|
Pascualgnathus
|
Bonaparte
|
1966
|
Valid.
|
Lower Triassic[17]
|
Argentina[17]
|
|
Patranomodon
|
Rubidge
Hopson
|
1990
|
Valid.
|
Middle-Upper Permian[12]
|
South Africa[12]
|
|
Pedaeosaurus
|
Colbert
Kitching
|
1979
|
Valid.
|
Upper Permian - Lower Triassic[49]
|
South Africa and Antarctica[49]
|
|
Pelanomodon
|
Broom
|
1938
|
Valid.
|
Upper Permian[5]
|
South Africa[5]
|
|
Pelorocyclops
|
van Hoepen
|
1934
|
Syn.
|
N/A
|
N/A
|
Synonym of Rhachiocephalus[2]
|
Permocynodon
|
Sushkin
|
1927
|
Syn.
|
N/A
|
N/A
|
Synonym of Dvinia[1]
|
Phocosaurus
|
Seeley
|
1888
|
Valid.
|
|
|
|
Phoneosuchus
|
Efremov
|
1954
|
Valid.
|
|
|
|
Phreatophasma
|
Efremov
|
1954
|
Valid.
|
Middle Permian[10]
|
Russia[10]
|
|
Phreatosaurus
|
Efremov
|
1954
|
Valid.
|
Middle Permian[1]
|
Russia[1]
|
|
Phreatosuchus
|
Efremov
|
1954
|
Valid.
|
Middle Permian[1]
|
Russia[1]
|
|
Phthinosaurus
|
Efremov
|
1954
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Phthinosuchus
|
Efremov
|
1954
|
Valid.
|
|
|
|
Placerias
|
Lucas
|
1904
|
Valid.
|
|
|
|
Platycraniellus
|
van Hoepen
|
1916
|
Valid.
|
Lower Triassic[17]
|
South Africa[17]
|
|
Platycyclops
|
Broom
|
1932
|
Syn.
|
N/A
|
N/A
|
Synonym of Rhachiocephalus[2]
|
Plintogomphodon
|
Sues
Olsen
Carter
|
1999
|
Valid.
|
Late Triassic[54]
|
United States of America[54]
|
|
Pnigalion
|
Watson
|
1914
|
Syn.
|
N/A
|
N/A
|
Synonym of Moschops[2]
|
Poecilospondylus
|
Case
|
1910
|
Syn.
|
|
|
|
Poliosaurus
|
Case
|
1907
|
Syn.
|
N/A
|
N/A
|
Synonym of Ophiacodon[2]
|
Polistodon
|
He
Cai
|
1984
|
Valid.
|
Middle Jurassic[9]
|
China[9]
|
|
Porosteognathus
|
Vjuschkov
|
1955
|
Valid.
|
Upper Permian[18]
|
Russia[18]
|
|
Pravoslavleria
|
Vjuschkov
|
1953
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Pristerodon
|
Huxley
|
1868
|
Valid.
|
Middle Permian[5]
|
South Africa and India[5]
|
|
Pristerognathus
|
Seeley
|
1895
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Probelesodon
|
Romer
|
1969
|
Syn.
|
N/A
|
N/A
|
Different growth stage of the genus Chiniquodon[17]
|
Proburnetia
|
Tatarinov
|
1968
|
Valid.
|
Upper Permian[23]
|
Russia[23]
|
|
Procynosuchus
|
Broom
|
1937
|
Valid.
|
Upper Permian[30]
|
South Africa[30]
|
|
Prodicynodon
|
Broom
|
1904
|
Valid.
|
|
|
|
Proexaerotodon
|
Bonaparte
|
1963
|
Syn.
|
N/A
|
N/A
|
Synonym of Exaerotodon[2]
|
Progalesaurus
|
Sidor
Smith
|
2004
|
Valid.
|
Lower Triassic[55]
|
South Africa[55]
|
|
Prolystrosaurus
|
Haughton
|
1917
|
Syn.
|
N/A
|
N/A
|
Synonym of Lystrosaurus[2]
|
Promoschorhynchus
|
Brink
|
1954
|
Valid.
|
|
|
|
Propelanomodon
|
Toerien
|
1955
|
Valid.
|
|
|
|
Prorubidgea
|
Broom
|
1940
|
Valid.
|
|
|
|
Protacmon
|
Watson
|
1920
|
Syn.
|
N/A
|
N/A
|
Synonym of Diademodon[2]
|
Protoclepsydrops
|
Carroll
|
1964
|
Valid.
|
|
|
|
Pseudanteosaurus
|
Boonstra
|
1954
|
Syn.
|
N/A
|
N/A
|
Synonym of Anteosaurus[2]
|
Pseudhipposaurus
|
Boonstra
|
1952
|
Valid.
|
|
|
|
Pyozia
|
Anderson
Reisz
|
2004
|
Valid.
|
Middle Permian[56]
|
Russia[56]
|
|
Rabidosaurus
|
Kalandadze
|
1970
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Rechnisaurus
|
Roychodhury
|
1970
|
Valid.?
|
Middle Triassic[57]
|
India[57]
|
Considered synonym of Kannemeyeria[9]
|
Regisaurus
|
Mendrez
|
1972
|
Valid.
|
Lower Triassic[9]
|
South Africa[9]
|
|
Reiszia
|
Ivakhnenko
|
2000
|
Valid.
|
|
|
|
Rewaconodon
|
Datta
Das
Luo
|
2004
|
Valid.
|
Late Triassic[29]
|
India[29]
|
|
Rhachiocephalus
|
Seeley
|
1898
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Rhadiodromus
|
Efremov
|
1951
|
Valid.
|
Middle Triassic[1]
|
Russia[1]
|
|
Rhigosaurus
|
Colbert
Kitching
|
1979
|
Valid.
|
Upper Permian - Lower Triassic[49]
|
South Africa and Antarctica[49]
|
|
Rhinocerocephalus
|
Vjuschkov
|
1969
|
Valid.
|
|
|
|
Rhinodicynodon
|
Kalandadze
|
1970
|
Valid.?
|
Middle Triassic[1]
|
Russia[1]
|
May be synonym of Shansiodon[9]
|
Rhopalodon
|
Fischer
|
1841
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Rhopalorhinus
|
Keyser
|
1973
|
Valid.?
|
Middle Triassic[9]
|
Namibia[9]
|
May be synonym of Shansiodon[9]
|
Riebeeckosaurus
|
Boonstra
|
1952
|
Valid.
|
|
|
|
Robertia
|
Boonstra
|
1948
|
Valid.
|
Middle-Upper Permian[5]
|
South Africa[5]
|
|
Rubidgea
|
Broom
|
1938
|
Valid.
|
|
|
|
Rubidgina
|
Broom
|
1942
|
Valid.
|
|
|
|
Rusconodon
|
Bonaparte
|
1970
|
Valid.
|
Lower Triassic[17]
|
Argentina[17]
|
|
Ruthiromia
|
Eberth
Brinkman
|
1983
|
Valid.
|
Lower Permian[58]
|
United States of America[58]
|
|
Sangusaurus
|
Cox
|
1969
|
Valid.
|
|
|
|
Sauroctonus
|
Bystrov
|
1955
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Scalenodon
|
Crompton
|
1955
|
valid.
|
Middle Triassic[1]
|
Tanzania and Russia[1]
|
|
Scalopognathus
|
Tatarinov
|
1974
|
Valid.
|
Early Triassic[1]
|
Russia[1]
|
|
Scalopolacerta
|
Mendrez
Carroll
|
1979
|
Valid.
|
|
|
|
Scaloposaurus
|
Owen
|
1876
|
Valid.
|
|
|
|
Scapanodon
|
Broom
|
1904
|
Syn.
|
N/A
|
N/A
|
Synonym of Titanosuchus[2]
|
Scylacops
|
Broom
|
1913
|
Valid.
|
|
|
|
Scoliomus
|
Williston
Case
|
1915
|
Syn.
|
Lower Permian[59]
|
United States of America[59]
|
Junior synonym of Sphenacodon[59]
|
Scullya
|
Broom
|
1929
|
Valid.
|
|
|
|
Scylacorhinus
|
Broom
|
1915
|
Valid.
|
|
|
|
Scylacosaurus
|
Broom
|
1903
|
Valid.
|
|
|
|
Scylacosuchus
|
Tatarinov
|
1968
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Scymnognathus
|
Broom
|
1915
|
Valid.
|
|
|
|
Scymnorhinus
|
Bonaparte
|
1846
|
Valid.
|
|
|
|
Scymnosaurus
|
Broom
|
1903
|
Valid.
|
|
|
|
Secodontosaurus
|
Romer
|
1936
|
Valid.
|
Lower Permian[8]
|
United States of America[8]
|
|
Sesamodon
|
Broom
|
1905
|
Syn.
|
N/A
|
N/A
|
Synonym of Bauria[2]
|
Sesamondon
|
author
author
|
19xx
|
Valid.
|
|
|
|
Shaanbeikannemeyeria
|
Cheng
|
1980
|
Syn.
|
N/A
|
N/A
|
Synonym of Kannemeyeria [9]
|
Shansiodon
|
Yeh
|
1959
|
Valid.
|
Middle Triassic[9]
|
China[9]
|
|
Silphedosuchus
|
Tatarinov
|
1977
|
Valid.
|
|
|
|
Silphoictidoides
|
von Huene
|
1950
|
Valid.
|
|
|
|
Simorhinella
|
Broom
|
1915
|
Valid.
|
|
|
|
Sinognathus
|
Young
|
1959
|
Valid.
|
Middle Triassic[9]
|
China[9]
|
|
Sinokannemeyeria
|
Young
|
1937
|
Valid.
|
Middle Triassic[9]
|
China[9]
|
|
Sinophonus
|
Cheng
Li
|
1996
|
Valid.
|
Upper Permian[20]
|
China[20]
|
|
Smilesaurus
|
Broom
|
1948
|
Valid.
|
N/A
|
N/A
|
Synonym of Arctops[2]
|
Sphenacodon
|
Marsh
|
1878
|
Valid.
|
Late Carboniferous[3]
|
United States of America[3]
|
|
Stahleckeria
|
von Huene
|
1935
|
Valid.
|
Lower-Upper Triassic[17]
|
Brazil[17]
|
|
Stenocybus
|
Cheng
Li
|
1997
|
Valid.
|
Upper Permian[20]
|
China[20]
|
|
Steppesaurus
|
Olson
Beerbower
|
1953
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Stereophallodon
|
Romer
|
1937
|
Valid.
|
Late Carboniferous[15]-Early Permian[4]
|
United States of America[4]
|
|
Stereorhachis
|
Gaudry
|
1880
|
Valid.
|
Late Carboniferous[3]
|
France[3]
|
|
Striodon
|
Sun
|
1973
|
Nomen dubium
|
N/A
|
N/A
|
Striodon magnus is regarded as a nomen dubium, and its type specimen is identified as Dicynodon sp.[9]
|
Struthiocephaloides
|
Boonstra
|
1952
|
Valid.
|
|
|
|
Struthiocephalus
|
Haughton
|
1915
|
Valid.
|
Middle Permian[8]
|
South Africa[8]
|
|
Struthionops
|
Boonstra
|
1952
|
Valid.
|
|
|
|
Storthyggnathus
|
Janesch
|
1952
|
Valid.
|
|
|
|
Styracocephalus
|
Haughton
|
1929
|
Valid.
|
|
|
|
Suminia
|
Ivakhnenko
|
1994
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Sycosaurus
|
von Huene
|
1950
|
Valid.
|
|
|
|
Synostocephalus
|
Broili
Schroeder
|
1935
|
Valid.
|
|
|
|
Syodon
|
Kutorga
|
1838
|
Valid.
|
|
|
|
Sysphinctostoma
|
Broili
Schroeser
|
1936
|
Syn.
|
N/A
|
N/A
|
Synonym of Diademodon[2]
|
Tangagorgon
|
Boonstra
|
1953
|
Valid.
|
|
|
|
Taognathus
|
Broom
|
1911
|
Valid.
|
|
|
|
Tapinocaninus
|
Rubidge
|
1991
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Tapinocephalus
|
Owen
|
1876
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Tappenosaurus
|
Olson
Beerbower
|
1953
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Taurocephalus
|
Broom
|
1928
|
Valid.
|
|
|
|
Taurops
|
Broom
|
1912
|
Valid.
|
|
|
|
Tetraceratops
|
Matthew
|
1908
|
Valid.
|
Lower Permian[15]
|
United States of America[15]
|
|
Tetracynodon
|
Broom
Robinson
|
1948
|
Valid.
|
Upper Permian - Lower Triassic[41]
|
South Africa[41]
|
|
Tetragonias
|
Cruickshank
|
1967
|
Valid.?
|
Middle Triassic[9]
|
South Africa[9]
|
May be synonym of Shansiodon[9]
|
Theriognathus
|
Owen
|
1876
|
Valid.
|
Upper Permian[6]
|
South Africa[6]
|
|
Theropleura
|
Cope
|
1878
|
Syn.
|
N/A
|
N/A
|
Synonym of Ophiacodon (in partium) and Dimetrodon (in partium)[2]
|
Theropsis
|
Cabrera
|
1943
|
Syn.
|
N/A
|
N/A
|
Synonym of Exaerotodon[2]
|
Therosaurus
|
von Huene
|
1925
|
Syn.
|
N/A
|
N/A
|
Synonym of Ophiacodon[2]
|
Thrausmosaurus
|
Fox
|
1962
|
Valid.
|
|
|
|
Thrinaxodon
|
Seeley
|
1894
|
Valid.
|
Lower Triassic[40]
|
South Africa and Antarctica[40]
|
|
Tigrisaurus
|
Broom
George
|
1950
|
Valid.
|
|
|
|
Titanognathus
|
Broili
Schroeder
|
1935
|
Syn.
|
N/A
|
N/A
|
Synonym of Anteosaurus[2]
|
Titanophoneus
|
Efremov
|
1938
|
Valid.
|
Upper Permian[18]
|
Russia[18]
|
|
Titanosuchus
|
Owen
|
1876
|
Valid.
|
Upper Permian[30]
|
South Africa[30]
|
|
Traversodon
|
von Huene
|
1936
|
Valid.
|
|
|
|
Traversodontoides
|
Young
|
1974
|
Valid.
|
Middle Triassic[9]
|
China[9]
|
|
Triachodontoides
|
Broom
|
1932
|
Syn.
|
N/A
|
N/A
|
Synonym of Trirachodon[2]
|
Trichasaurus
|
Williston
|
1913
|
Valid.
|
Lower Permian[8]
|
United States of America[8]
|
Replacement name for Trispondylus Williston, 1910
|
Triglyphus
|
Fraas
|
1866
|
Syn.
|
N/A
|
N/A
|
Synonym of Tritylodon[2]
|
Trirachodon
|
Seeley
|
1895
|
Valid.
|
|
|
|
Trispondylus
|
Williston
|
1910
|
Preocc.
|
N/A
|
N/A
|
Preoccupied by phenacodontid Trispondylus Cope, 1877
|
Tritylodon
|
Owen
|
1884
|
Valid.
|
|
|
|
Tritylodontoides
|
Fourie
|
1962
|
Syn.
|
N/A
|
N/A
|
Synonym of Tritylodon[2]
|
Trochosuchus
|
Broom
|
1908
|
Valid.
|
|
|
|
Trochosaurus
|
Haughton
|
1915
|
Valid.
|
|
|
|
Tropidostoma
|
Broom
|
1915
|
Valid.
|
Middle Permian[5]
|
South Africa[5]
|
|
Turfanodon
|
Sun
|
1973
|
Syn.
|
N/A
|
N/A
|
Synonym of Dicynodon[9]
|
Ulemica
|
Ivakhnenko
|
1996
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Ulemosaurus
|
Ryabinin
|
1938
|
Valid.?
|
Upper Permian[1]
|
Russia[1]
|
Considered synonym of Moschops[2]
|
Uniserium
|
von Huene
|
1933
|
Syn.
|
N/A
|
N/A
|
Synonym of Oligokyptus[2]
|
Uralocynodon
|
Tatarinov
|
1987
|
Valid.
|
Upper Permian[1]
|
Russia[1]
|
|
Uralokannemeyeria
|
Danilov
|
1971
|
Valid.?
|
Middle Triassic[1]
|
Russia[1]
|
Considered synonym of Kannemeyeria [9]
|
Uraniscosaurus
|
Nopsca
|
1928
|
Syn.
|
N/A
|
N/A
|
Synonym of Deuterosaurus[1]
|
Urumchia
|
Young
|
1952
|
Valid.
|
Lower Triassic[9]
|
China[9]
|
|
Varanodon
|
Olson
|
1965
|
Valid.
|
Lower Permian[5]
|
United States of America[5]
|
|
Varanops
|
Williston
|
1911
|
Valid.
|
Lower Permian[3]
|
United States of America[3]
|
|
Varanosaurus
|
Broili
|
1904
|
Valid.
|
Lower Permian[3]
|
United States of America[3]
|
|
Venjukovia
|
Amaltskii
|
1922
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Viatkosuchus
|
Tatarinov
|
1995
|
Valid.
|
|
|
|
Vinceria
|
Bonaparte
|
1969
|
Valid.
|
Lower Triassic[17]
|
Argentina[17]
|
|
Wadiasaurus
|
Roychodhury
|
1970
|
Valid.
|
Middle Triassic[57]
|
India[57]
|
|
Wangwosaurus
|
Young
|
1979
|
Valid.
|
|
|
|
Watongia
|
Olson
|
1974
|
Valid.
|
Middle Permian[60]
|
United States of America[60]
|
|
Watsoniella
|
Broili
Schroder
|
1935
|
Syn.
|
N/A
|
N/A
|
Synonym of Bauria[2]
|
Whaitsia
|
Haughton
|
1918
|
Syn.
|
N/A
|
N/A
|
Synonym of Theriognathus[6]
|
Winfeldia
|
Romer
|
1925
|
Syn.
|
N/A
|
N/A
|
Synonym of Ophiacodon[2]
|
Xiyukannemeyeria
|
Liu
Li
|
2003
|
Valid.
|
|
|
|
Xyrospondylus
|
Reisz
Heaton
Pynn
|
1982
|
Valid.
|
|
|
|
Yikezhaogia
|
Li
|
1984
|
Valid.
|
Lower Triassic[9]
|
China[9]
|
|
Yunnania
|
Cui
|
1976
|
Preocc.
|
N/A
|
N/A
|
Preoccupied by gastropod Yunnania Mansuy, 1912
|
Yunnanodon
|
Cui
|
1986
|
Valid.
|
Lower Jurassic[9]
|
China[9]
|
Replacement name by Yunnania Cui, 1976[9]
|
Zambiasaurus
|
Cox
|
1969
|
Valid.
|
Lower Triassic[17]
|
Zambia[17]
|
|
Zopherosuchus
|
Tchudinov
|
1983
|
Valid.
|
Upper Permian[10]
|
Russia[10]
|
|
Zorillodontops
|
Cluver
|
1969
|
Valid.
|
|
|
|