| A (3 species) |
| Aelurognathus - Wuchiapingian, 260.9-254 Ma |
| Arctognathus - Permian |
| Arctops - Late Permian |
| B (1 species) |
| Broomisaurus - Permian |
| C (1 species) |
| Cerdorhinus - Permian |
| D (0 species) |
| E (1 species) |
| Eoarctops - Middle Permian, Capitanian |
| F (0 species) |
| G (2 species) |
| Galesuchus - Middle Permian, Capitanian |
| Gorgonops - Wuchiapingian, 260-254 Ma |
| H (0 species) |
| I (1 species) |
| Inostrancevia - Wuchiapingian, 260-254 Ma |
| J (0 species) |
| K (0 species) |
| L (0 species) |
| M (0 species) |
| N (1 species) |
| Njalila - Late Permian |
| O (0 species) |
| P (0 species) |
| Q (0 species) |
| R (2 species) |
| Rubidgea - Permian |
| Ruhuhucerberus - Late Permian |
| S (3 species) |
| Scylacops - Late Permian |
| Suchogorgon - Late Permian |
| Sycosaurus - Late Permian[1] 259-252.3 Ma |
| T (0 species) |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |