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Graphoceras

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Graphoceras
Temporal range: Jurassic[1]
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Genus:
Graphoceras

Graphoceras is an extinct genus from a well known class of fossil cephalopods, the ammonites. It lived during the Jurassic Period[1], which lasted from approximately 200 to 145 million years ago.

References

  1. ^ a b Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 364: p.560. Retrieved 2008-04-05. {{cite journal}}: |pages= has extra text (help); Cite has empty unknown parameter: |coauthors= (help)


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