| A (0 species) |
| B (0 species) |
| C (1 species) |
| Californosaurus - 228-210 Ma Late Triassic |
| D (0 species) |
| E (0 species) |
| F (0 species) |
| G (0 species) |
| H (0 species) |
| I (0 species) |
| J (0 species) |
| K (0 species) |
| L (0 species) |
| M (0 species) |
| N (0 species) |
| O (0 species) |
| P (0 species) |
| Q (1 species) |
| Qianichthyosaurus - Triassic, 232.0-221.5 Ma[1] |
| R (0 species) |
| S (0 species) |
| T (1 species) |
| Toretocnemus - Triassic, 235.0-221.5 Ma[1] |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |