Trematoceras
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| Trematoceras Temporal range: U Triassic | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | †Orthocerida |
| Family: | †Orthoceratidae |
| Genus: | †Trematoceras Eichwald, 1851 |
Trematoceras, from Ancient Greek τρῆμα (trêma), meaning "perforation", and κέρας (kéras), meaning "horn", is an orthoconic nautiloid cephalopod from the Upper Triassic of Europe and Asia named by Eichwald in 1851.
Trematoceras is included in the Michelinoceratinae, a subfamily of the Orthoceratidae[1]