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.
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| Genus: | Involuticeras [1] Quenstedt, 1846
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References
edit- ^ "Paleobiology Database - Involuticeras". Retrieved 2017-10-19.
- ^ 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.
Treatise on Invertebrate Paleontology, Part L,(1957), Mesozoic Ammonoidea, p. L324.
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