| A (0 species) |
| B (1 species) |
| Besanosaurus - Middle Triassic, 247.2-235.0 Ma[1] |
| C (2 species) |
| Californosaurus - 228-210 Ma Late Triassic |
| Cymbospondylus - 240-210 Ma Between the Middle and Late Triassic |
| D (0 species) |
| E (0 species) |
| F (0 species) |
| G (1 species) |
| Grippia - Early Triassic - Mid Triassic, 235 Ma |
| H (0 species) |
| I (1 species) |
| Isfjordosaurus - Early Triassic |
| J (0 species) |
| K (0 species) |
| L (0 species) |
| M (0 species) |
| N (0 species) |
| O (1 species) |
| Omphalosaurus - Middle Triassic - Late Triassic, 250-235 Ma |
| P (0 species) |
| Q (1 species) |
| Qianichthyosaurus - Triassic, 232.0-221.5 Ma[1] |
| R (0 species) |
| S (0 species) |
| T (2 species) |
| Temnodontosaurus - Early Jurassic, Hettangian-Toarcian |
| Toretocnemus - Triassic, 235.0-221.5 Ma[1] |
| U (1 species) |
| Utatsusaurus - Early Triassic, 248-245 Ma |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |