Treptoceras
Treptoceras is a fossil cephalopod genus included in the orthocerid family Proteoceratidae.
| Treptoceras Temporal range: Ordovician | |
|---|---|
 | |
| Fossil of Treptoceras duseri | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | †Orthocerida |
| Family: | †Proteoceratidae |
| Genus: | †Treptoceras Flower 1942 |
Fossil record
It has been found in Ordovician rocks dated from about 460.9 to 445.6 Ma in South Korea and United States.[1]
Species
- †Treptoceras cincinnatiensis Miller 1875
- †Treptoceras duseri Hall and Whitfield 1875
- †Treptoceras fosteri Miller 1875
- †Treptoceras transversum Miller 1875
- †Treptoceras yokoyamai Kobayashi 1927
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