| A (2 species) |
| Anguanax - Late Jurassic, 160 Ma |
| Archaeonectrus - Jurassic |
| B (1 species) |
| Brachauchenius - Late Cretaceous, 93-89.3 Ma |
| C (0 species) |
| D (0 species) |
| E (0 species) |
| F (0 species) |
| G (1 species) |
| Gallardosaurus - Oxfordian |
| H (0 species) |
| I (0 species) |
| J (0 species) |
| K (1 species) |
| Kronosaurus - Early Cretaceous, 125-99 Ma |
| L (1 species) |
| Liopleurodon - Middle-Late Jurassic, 160-155 Ma |
| M (0 species) |
| N (0 species) |
| O (0 species) |
| P (3 species) |
| Peloneustes - Middle Jurassic |
| Pliosaurus - Late Jurassic, 155.7-147 Ma |
| Polyptychodon - Late Cretaceous, 101-89.3 Ma |
| Q (0 species) |
| R (0 species) |
| S (1 species) |
| Simolestes - 170-145 Ma Middle-Late Jurassic |
| T (0 species) |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |