Lyelliceras
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| Fossil of Lyelliceras lyelli from Peru | |
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Lyelliceras
Spath 1921
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Lyelliceras is a genus of ammonites belonging to the family Gaudryceratidae.
These cephalopods were fast-moving nektonic carnivores. They lived in the Cretaceous period, Albian stage (109.0 to 99.7 Ma).[1][2]
Contents
Description
Shells of Lyelliceras species can reach a diameter of about 50 millimetres (2.0 in). The are moderately to very evolute. The section of the whorls is slightly compressed or circular, with straight radial ribs.[3][4]
Species
- Lyelliceras latili Kennedy and Klinger 2008
- Lyelliceras lyelli d'Orbigny 1841
- Lyelliceras pseudolyelli Parona and Bonarelli 1897
- Lyelliceras vaasti Destombes et al. 1973
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.[1]
References
- ↑ 1.0 1.1 1.2 Fossilworks
- ↑ Sepkoski, Jack Sepkoski's Online Genus Database - Cephalopodes
- ↑ Crioceratites
- ↑ Ammonites
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