Eutrephoceras
| Eutrephoceras Temporal range: | |
|---|---|
| Fossil in Cincinnati Museum of Natural History & Science | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Nautilida |
| Family: | Nautilidae |
| Genus: | †Eutrephoceras Hyatt, 1894 |
| Type species | |
| Nautilus dekayi Morton 1834 | |
| Species | |
|
See text | |
Eutrephoceras is an extinct genus of nautilus from the Late Jurassic to the Miocene (around 161 to 5 million years ago). They are characterized by a highly rounded involute shell with slightly sinuous suture patterns.