Genus
Placenticeras Meek, 1876
Luokittelu
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Cephalopoda |
| Subclass | Ammonoidea |
| Order | Ammonitida |
| Suborder | Ammonitina |
| Superfamily | Hoplitoidea |
| Family | Placenticeratidae |
| Genus | Placenticeras |
| Species | bidorsatum |
See also