Kosmoceras spinosum
| Kosmoceras spinosum Temporal range: Callovian[1] | |
|---|---|
 | |
| Fossil shell of Kosmoceras spinosum from Calvados (France), on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
| Scientific classification | |
| Kingdom: | Animalia |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ammonitida |
| Superfamily: | Stephanocerataceae |
| Family: | Kosmoceratidae |
| Genus: | Kosmoceras |
| Binomial name | |
| K. spinosum (Sowerby 1826) | |
Kosmoceras spinosum is a moderately evolute ammonite species from the Callovian (Middle Jurassic), lasting between 163.5 and 166.1 Ma. [2]
Shells of Kosmoceras spinosum can reach a diameter of about 22 millimetres (0.87 in).[3]
References
- ↑ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
- ↑ The Paleobiology Database
- ↑ Ammonites
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