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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