| A (2 species) |
| Aegirosaurus - Late Jurassic-Early Cretaceous, Tithonian-Valanginian |
| Athabascasaurus - Lower Cretaceous, 112.6-109 Ma |
| B (1 species) |
| Brachypterygius - Late Jurassic, Kimmeridgian-Tithonian |
| C (1 species) |
| Caypullisaurus - Late Jurassic - Early Cretaceous, Tithonian-Berriasian |
| 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 (0 species) |
| R (0 species) |
| S (1 species) |
| Sveltonectes - Early Cretaceous, 126 Ma |
| T (0 species) |
| U (1 species) |
| Undorosaurus - Late Jurassic,[1] 150.8-145.5 Ma |
| V (0 species) |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (0 species) |