Species
Discoceras costatum Rasmussen et Surlyk, 2012
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Tarphyceratia |
| Order | Tarphyceratida |
| Family | Discoceratidae |
| Genus | Discoceras |
| Species | amtjaernense |
| angulatum | |
| antiquissimum | |
| arctuatum | |
| bandonis | |
| boreale | |
| costatum | |
| depressum | |
| fleischeri | |
| gubkovense | |
| ievense | |
| nilssoni | |
| paopense | |
| rarospira | |
| roemeri | |
| saemanni | |
| siljanense | |
| spongistriatum | |
| vasalemmense |