Involuticeras
| Involuticeras | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ammonitida |
| Superfamily: | Perisphinctoidea |
| Family: | Perisphinctidae |
| Genus: | Involuticeras [2] Quenstedt, 1846 |
Involuticeras is a perisphinctoid ammonite belonging to the Aulacostephanininae from the Upper Jurassic of Europe and possibly Mexico. The shell is involute, moderately compressed, with a rounded and ribbed venter. The genus is similar in general form to Aulacostephanus and Epicephalites.
References
- ↑ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on 2008-05-07. Retrieved 2017-10-18.
- ↑ "Paleobiology Database - Involuticeras". Retrieved 2017-10-19.
Treatise on Invertebrate Paleontology, Part L,(1957), Mesozoic Ammonoidea, p. L324.
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