| A (0 species) |
| B (0 species) |
| C (1 species) |
| Cameroceras - Middle Ordovician - Wenlock 470-425 Ma |
| D (2 species) |
| Diplomoceras - Cretaceous |
| Docidoceras - Bajocian[1] |
| E (0 species) |
| F (1 species) |
| Frogdenites - Unavailable |
| G (0 species) |
| H (0 species) |
| I (1 species) |
| Inoceramus - Early Jurassic-Maastrichtian~189 Ma |
| J (0 species) |
| K (1 species) |
| Keuppia - 97-93 Ma Late Cenomanian |
| L (0 species) |
| M (0 species) |
| N (0 species) |
| O (0 species) |
| P (4 species) |
| Palaeoctopus - Late Cretaceous |
| Parapuzosia - Cenomanian-Campanian[1] |
| Pohlsepia - Pennsylvanian |
| Proteroctopus - Lower Callovian |
| Q (0 species) |
| R (0 species) |
| S (1 species) |
| Styletoctopus - 95 Ma |
| T (2 species) |
| Titanites - Tithonian[1] |
| Tusoteuthis - Cretaceous |
| U (0 species) |
| V (1 species) |
| Vampyronassa - Middle Jurassic |
| W (0 species) |
| X (0 species) |
| Y (0 species) |
| Z (1 species) |
| Zemistephanus - Jurassic |