| A (2 species) |
| Atychodracon - Late Triassic-Early Jurassic, 201 Ma |
| Avalonnectes - Early Jurassic, 199.6-198 Ma |
| B (1 species) |
| Borealonectes - Middle Jurassic |
| C (0 species) |
| 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 (2 species) |
| Macroplata - 199-195 Ma Early Jurassic |
| Meyerasaurus - Early Jurassic, 183-180 Ma |
| N (0 species) |
| O (0 species) |
| P (0 species) |
| Q (0 species) |
| R (1 species) |
| Rhomaleosaurus - Early Jurassic, Toarcian |
| S (1 species) |
| Stratesaurus - Early Jurassic, 199.6-198 Ma |
| T (0 species) |
| U (0 species) |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (1 species) |
| Yuzhoupliosaurus - Middle Jurassic |
| Z (0 species) |