Species
Ormoceras bayfieldi Stokes, 1840
Classification
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Actinoceratoidea |
| Order | Actinocerida |
| Family | Ormoceratidae |
| Genus | Ormoceras |
| Species | bayfieldi |
| brevis | |
| estonicum | |
| heckeri | |
| kiaeri | |
| lapense | |
| schmidti | |
| volchovense |