Genus
Hedstroemoceras Foerste, 1930
List of species
1. Hedstroemoceras haelluddense Foerste, 1930 | Ordovician
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratia |
| Order | Orthocerida |
| Family | Baltoceratidae |
| Genus | Cochlioceras |
| Eosomichelinoceras | |
| Hedstroemoceras | |
| Species | haelluddense |