Rank Genus Subclass Ammonites | Superfamily Acanthoceratoidea | |
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Similar Ammonites, Kossmaticeras, Lissoceras, Hamites, Lytoceras cornucopia | ||
Lyelliceras is a genus of ammonites belonging to the family Gaudryceratidae.
Contents
These cephalopods were fast-moving nektonic carnivores. They lived in the Cretaceous period, Albian stage (109.0 to 99.7 Ma).
Description
Shells of Lyelliceras species can reach a diameter of about 50 millimetres (2.0 in). They are moderately to very evolute. The section of the whorls is slightly compressed or circular, with straight radial ribs.
Species
Distribution
Fossils of species within this genus have been found in the Cretaceous sediments of Colombia, France, Madagascar, Mexico, Peru, South Africa, United Kingdom, United States and Venezuela.
References
Lyelliceras Wikipedia(Text) CC BY-SA