Genus
Polygrammoceras Foerste, 1928
List of species
Classification
| Organism group | Biota |
| Domain | Eukaryota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratoidea |
| Order | Orthocerida |
| Family | Kionoceratidae |
| Genus | Kionoceras |
| Polygrammoceras | |
| Species | bullatum |
| Genus | Ringoceras |