Cyrtoceras
| Cyrtoceras Temporal range: | |
|---|---|
| Digital life restoration of "Cyrtoceras sp" | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | †Oncocerida |
| Genus: | †Cyrtoceras Conrad, 1838 |
Cyrtoceras is an dubious extinct genus of oncoceridan nautiloids that was used for fossils from the middle Ordovician to the middle Devonian, in Africa, Europe, North America and South America.
As for 1964, this genus is no longer considered as valid, as it has not been correctly established.