| A (8 species) |
| Aerosaurus - Early Permian, 295 Ma |
| Agilodocodon - Middle Jurassic |
| Alierasaurus - Permian |
| Angelosaurus - Early Permian |
| Anteosaurus - Capitanian, 266-260 Ma |
| Apsisaurus - Early Permian |
| Archaeothyris - Late Carboniferous, 306 Ma |
| Australobarbarus - Late Permian |
| B (14 species) |
| Baldwinonus - Early Permian |
| Bathygnathus - Early Permian, 270 Ma |
| Bauria - Early Triassic, 251-246 Ma |
| Beishanodon - Early Triassic |
| Biarmosuchus - Wordian, 267 Ma |
| Bienotherium - Early Jurassic |
| Brachyprosopus - Middle Permian, 270-260 Ma |
| Brasilitherium - Late Triassic, 240-200 Ma |
| Brasilodon - Late Triassic |
| Brithopus - Middle Permian, Ufimian |
| Broomicephalus - Permian |
| Broomisaurus - Permian |
| Bullacephalus - Late Permian |
| Burnetia - Late Permian |
| C (20 species) |
| Casea - Early Permian |
| Cerataelurus - Unavailable |
| Cerdodon - Unavailable |
| Cerdorhinus - Permian |
| Charruodon - Middle Triassic-Late Triassic |
| Chiniquodon - Middle Triassic |
| Cistecephalus - Wuchiapingian, 259.8-254.1 Ma |
| Clelandina - Late Permian 259-254 Ma |
| Clepsydrops - Carboniferous |
| Colobodectes - Middle Permian |
| Compsodon - Upper Permian |
| Cotylorhynchus - Kungurian, 279.5-272 Ma |
| Criocephalosaurus - Capitanian |
| Cryptocynodon - Unavailable |
| Cteniosaurus - Unavailable |
| Ctenorhachis - Early Permian, Artinskian |
| Ctenospondylus - Early Permian Artinskian-Kungurian |
| Cynognathus - Early - Middle Triassic, 247-237 Ma |
| Cynosaurus - Late Permian, 265.1-254.17 Ma |
| Cyonosaurus - Late Permian |
| D (21 species) |
| Dadadon - Middle Triassic |
| Daptocephalus - Late Permian |
| Deccanodon - Late Triassic |
| Delectosaurus - Late Permian |
| Delphaciognathus - Unavailable |
| Deuterosaurus - Capitanian |
| Diademodon - Middle Triassic |
| Diaelurodon - Unavailable |
| Dicynodon - Changhsingian, 253.8-251 Ma |
| Dicynodontoides - Late Permian, 260-251 Ma |
| Diegocanis - Late Triassic |
| Digalodon - Permian 299-252 Ma |
| Diictodon - Wuchiapingian, 259.8-254.1 Ma |
| Dimacrodon - Lower Permian |
| Dimetrodon - Cisuralian, 295-272 Ma |
| Dinanomodon - Late Permian |
| Dinodontosaurus - Middle Triassic-Late Triassic |
| Dinogorgon - Late Permian 259-254 Ma |
| Doliosauriscus - Unavailable |
| Driveria - Unavailable |
| Dvinia - Late Permian, 254 Ma |
| E (20 species) |
| Ecteninion - Late Triassic |
| Edaphosaurus - Late Carboniferous - Early Permian, 300-280 Ma |
| Elliotherium - Upper Triassic |
| Elliotsmithia - Late Permian |
| Emydochampsa - Unavailable |
| Emydops - Middle - Late Permian |
| Emydorhinus - Unavailable |
| Emydorhynchus - Unavailable |
| Emyduranus - Unavailable |
| Endothiodon - Wuchiapingian, 259-254 Ma |
| Ennatosaurus - 265-254 Ma |
| Eoarctops - Middle Permian, Capitanian |
| Eosimops - Middle Permian |
| Eothyris - Early Permian,[1] Artinskian |
| Ericiolacerta - Early Triassic |
| Eriphostoma - Middle Permian, Capitanian |
| Estemmenosuchus - Middle Permian, 267 Ma |
| Euchambersia - Cistecephalus Assemblage Zone (Wuchiapingian), 256-255 Ma |
| Eurychororhinus - Unavailable |
| Exaeretodon - Middle Triassic-Late Triassic |
| F (0 species) |
| G (10 species) |
| Galechirus - Late Permian |
| Galeops - Permian |
| Galepus - Permian |
| Galesaurus - Induan-Olenekian, 252.17-247.2 Ma |
| Galesuchus - Middle Permian, Capitanian |
| Geikia - Late Permian-Early Triassic |
| Glanosuchus - Late Permian |
| Glochinodontoides - Unavailable |
| Gomphodontosuchus - Late Triassic |
| Gorgonops - Wuchiapingian, 260-254 Ma |
| H (7 species) |
| Haptodus - Late Carboniferous - Early Permian, 299-296.4 Ma |
| Haughtoniana - Unavailable |
| Heleosaurus - Middle Permian, 270-290 Ma |
| Herpetoskylax - Late Permian |
| Hipposaurus - Capitanian, 262-260 Ma |
| Hofmeyria - Unavailable |
| Homodontosaurus - Late Permian |
| I (11 species) |
| Ianthasaurus - Late Carboniferous, 302 Ma |
| Ichibengops - Late Permian |
| Ictidognathus - Late Permian |
| Ictidopsis - Unavailable |
| Ictidorhinus - Late Permian |
| Ictidostoma - Unavailable |
| Ictidosuchoides - Late Permian - Early Triassic |
| Ictidosuchus - Unavailable |
| Idelesaurus - Late Permian |
| Inostrancevia - Wuchiapingian, 260-254 Ma |
| Irajatherium - Late Triassic |
| J (1 species) |
| Jonkeria - Capitanian, 265-260 Ma |
| K (7 species) |
| Kannemeyeria - Early Triassic |
| Katumbia - Late Permian |
| Kayentatherium - Early Jurassic |
| Keratocephalus - Capitanian |
| Kitchinganomodon - Late Permian |
| Kombuisia - Early to Middle Triassic |
| Kwazulusaurus - Late Permian |
| L (11 species) |
| Lamiasaurus - Capitanian |
| Lanthanostegus - Unavailable |
| Lemurosaurus - Late Permian |
| Lobalopex - Late Permian |
| Lophorhinus - Late Permian |
| Lycaenodon - Late Permian |
| Lycaenops - Middle - Late Permian 270.6-251 Ma |
| Lycideops - Late Permian |
| Lycophocyon - Middle Eocene, 43-40 Ma |
| Lycosuchus - Middle Permian, 265-260 Ma |
| Lystrosaurus - Late Permian-Early Triassic, 255-250 Ma |
| M (15 species) |
| Macromerion - Late Carboniferous 304.2-299 Ma |
| Madysaurus - Middle Triassic |
| Malasaurus - Late Permian |
| Megawhaitsia - 260.5-251.0 Ma |
| Megazostrodon - Late Triassic-Early Jurassic |
| Menadon - Middle to Late Triassic |
| Mesenosaurus - Late Permian |
| Microgomphodon - Middle Triassic, Olenekian-Anisian |
| Microurania - Wordian |
| Minicynodon - Late Triassic, Carnian-Norian |
| Mitredon - Late Triassic |
| Moschorhinus - Late Permian-Early Triassic |
| Mycterosaurus - Early Permian |
| Myosauroides - Unavailable |
| Myosaurus - Early Triassic |
| N (7 species) |
| Nanictosaurus - Middle Permian- Early Triassic, 261-247 Ma |
| Nanogomphodon - Middle Triassic |
| Neotrirachodon - Middle Triassic |
| Newtonella - Unavailable |
| Niaftasuchus - middle permian |
| Nitosaurus - Unavailable |
| Njalila - Late Permian |
| O (5 species) |
| Oedaleops - Early Permian |
| Oligokyphus - Late Triassic-Early Jurassic |
| Ophiacodon - Late Carboniferous to Early Permian 306-280 Ma |
| Oromycter - Early Permian 290.1-268 Ma |
| Otsheria - Middle Permian, 267 Ma |
| P (23 species) |
| Pachydectes - Middle Permian |
| Pachyrhinos - Wuchiapingian, 260-254 Ma |
| Pachytegos - Unavailable |
| Palaeohatteria - Early Permian, Sakmarian |
| Palemydops - Unavailable |
| Paraburnetia - Late Permian |
| Patranomodon - Middle Permian-Late Permian |
| Pelanomodon - Late Permian, 259-252 Ma |
| Phreatophasma - Middle Permian, 270 Ma |
| Phthinosuchus - Middle Permian, 268-265.8 Ma |
| Placerias - Late Triassic, 220-216 Ma |
| Platycraniellus - Early Triassic |
| Pristerodon - Late Permian |
| Proburnetia - Late Permian |
| Procynosuchus - Wuchiapingian, 260.4-253.8 Ma |
| Prodicynodon - Unavailable |
| Progalesaurus - Induan, 252.17-251.2 Ma |
| Prorubidgea - Wuchiapingian, 260.9-254 Ma |
| Prosictodon - Middle Permian |
| Protheriodon - Middle Triassic |
| Protuberum - Middle Triassic |
| Prozostrodon - Late Triassic |
| Pyozia - Middle Permian, 265.8-263 Ma |
| Q (0 species) |
| R (8 species) |
| Raranimus - Middle Permian, 270 Ma |
| Reiszia - Unavailable |
| Rhachiocephalus - Late Permian |
| Rhopalodon - Middle Permian |
| Riebeeckosaurus - Capitanian |
| Riograndia - Late Triassic, 225 Ma |
| Rubidgea - Permian |
| Ruhuhucerberus - Late Permian |
| S (23 species) |
| Scalopodontes - Late Permian |
| Scaloposaurus - Early Triassic |
| Scullya - Capitanian |
| Scylacops - Late Permian |
| Scylacorhinus - Unavailable |
| Scylacosaurus - Permian |
| Scymnosaurus - Unavailable |
| Secodontosaurus - Cisuralian, 285-272.3 Ma |
| Simorhinella - Late Permian |
| Sinoconodon - Early Jurassic |
| Sinokannemeyeria - Anisian, 243.53 Ma |
| Sinophoneus - Middle Permian, 270 Ma |
| Sludica - Late Permian |
| Sphenacodon - Pennsylvanian to Cisuralian, 300-280 Ma |
| Stahleckeria - Middle Triassic |
| Stenocybus - Middle Permian, 270 Ma |
| Stereorhachis - Late Carboniferous |
| Struthiocephalus - Capitanian, 265-260 Ma |
| Styracocephalus - Capitanian, 265.8-260.4 Ma |
| Suchogorgon - Late Permian |
| Suminia - Late Permian, 260 Ma |
| Sycosaurus - Late Permian[1] 259-252.3 Ma |
| Synostocephalus - Unavailable |
| T (18 species) |
| Taognathus - Unavailable |
| Tapinocaninus - Wordian |
| Tapinocephalus - Guadalupian epoch, Capitanian stage |
| Tetraceratops - Leonardian stage, 275 Ma |
| Tetracynodon - Late Permian - Early Triassic |
| Theriognathus - Wuchiapingian, 260.4-253.8 Ma |
| Theropsodon - Middle Triassic |
| Thrinaxodon - Early Triassic, 251-247 Ma |
| Titanophoneus - Middle Permian,265 Ma |
| Titanosuchus - Capitanian, 265 Ma |
| Traversodon - Late Triassic |
| Trirachodon - Early Triassic - Middle Triassic |
| Trithelodon - Lower Jurassic |
| Tritylodon - Early Jurassic |
| Trochosaurus - Permian |
| Trochosuchus - Unavailable |
| Tropidostoma - Late Permian |
| Trucidocynodon - Late Triassic, 220 Ma |
| U (2 species) |
| Ulemica - Middle Permian, 265 Ma |
| Ulemosaurus - Capitanian, 265-260 Ma |
| V (5 species) |
| Varanodon - Early Permian, 271 Ma |
| Varanops - Early Permian, 279.5-272.5 Ma |
| Varanosaurus - Early Permian, 280 Ma |
| Venjukovia - Middle Permian, 267 Ma |
| Vivaxosaurus - Late Permian |
| W (0 species) |
| X (0 species) |
| Y (1 species) |
| Yuanotherium - Oxfordian |
| Z (0 species) |