Cyrtoceras
Cyrtoceras is an extinct genus of oncoceridan nautiloids that lived from the middle Ordovician to the middle Devonian, in Africa, Europe, North America and South America.
| 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 |
| Type species | |
| †Cyrtoceras minneapolis Whiteaves, 1890 | |
| Species | |
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