| A (3 species) |
| Abyssomedon - Early Permian, Kungurian |
| Acleistorhinus - Early Permian, 273.6-271.6 Ma |
| Anomoiodon - Early Triassic, 249-247 Ma |
| B (3 species) |
| Bashkyroleter - Middle Permian, Guadalupian |
| Belebey - Asselian-Guadalupian |
| Brazilosaurus - Early Permian, 284-279.5 Ma |
| C (0 species) |
| D (0 species) |
| E (1 species) |
| Eunotosaurus - Middle Permian, 265.8-251 Ma |
| F (0 species) |
| G (0 species) |
| H (0 species) |
| I (0 species) |
| J (0 species) |
| K (1 species) |
| Kapes - Lower - Middle Triassic |
| L (1 species) |
| Lanthanosuchus - Unavailable |
| M (1 species) |
| Macroleter - Late Permian, 264 Ma |
| N (0 species) |
| O (1 species) |
| Owenetta - 260.5-250 Ma Mid Wuchiapingian - early Induan |
| P (1 species) |
| Phonodus - Early Triassic |
| Q (0 species) |
| R (1 species) |
| Rhipaeosaurus - Middle Permian, Capitanian |
| S (1 species) |
| Sclerosaurus - Early-Middle Triassic, Olenekian-Anisian |
| T (1 species) |
| Tokosaurus - Late Permian, 264 Ma |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |