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
- ↑ 1.0 1.1 Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology 364: p.560. Retrieved 2008-04-05.
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