Kingdom Animalia Phylum Mollusca Rank Species Subclass Ammonites | Family Acanthoceratidae Genus Acanthoceras Order Ammonitida | |
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Acanthoceras rhotomagensis is an extinct cephalopod species belonging to the subclass Ammonoidea and family Acanthoceratidae.
Contents
These fast-moving nektonic carnivores lived during the Cenomanian stage of the Late Cretaceous (from 94.3 to 89.3 Ma).
Description
Shells of Acanthoceras rhotomagensis may reach a diameter of about 36–50 centimetres (14–20 in). Their shells have ornate ribs.
Distribution
Acanthoceras rhotomagensis fossils may be found in Western Europe and western North America.
References
Acanthoceras rhotomagensis Wikipedia(Text) CC BY-SA