Species
Bactroceras angustisiphonatum (Rüdiger, 1889)
Klassificering
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Orthoceratoidea |
| Order | Rioceratida |
| Family | Bactroceratidae |
| Genus | Bactroceras |
| Species | angustisiphonatum |
| avus | |
| sandbergeri |