Acanthoceras rhotomagensis
| Acanthoceras rhotomagensis Temporal range: late Cretaceous
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| Fossil shell of Acanthoceras rhotomagensis from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris | |
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| Species: | A. rhotomagensis
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| Acanthoceras rhotomagensis Brongniart 1822
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Acanthoceras rhotomagensis is an extinct cephalopod species belonging to the subclass Ammonoidea and family Acanthoceratidae.
These fast-moving nektonic carnivores lived during the Cenomanian stage of the Late Cretaceous (from 94.3 to 89.3 Ma).[1][2]
Description
Shells of Acanthoceras rhotomagensis may reach a diameter of about 36–50 centimetres (14–20 in). Their shells have ornate ribs.[3][4]
Distribution
Acanthoceras rhotomagensis fossils may be found in Western Europe and western North America.[5]
References
- Arkell, W.J. et al., Mesozoic Ammonoidea in the Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Geol Soc of America and Univ Kansas Pres. R.C; Moore (ed)
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