Kingdom Animalia Class Cephalopoda Order Ammonitida Rank Genus | Phylum Mollusca Subclass Ammonoidea Superfamily Stephanocerataceae | |
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Frogdenites is an extinct ammonite genus from the order Ammonitida that lived during the Middle Jurassic in what is now Europe, Canada, and Tibet. Frogdenites is included in the Otoitidae, a family which makes up part of the ammonitid superfamily, Stephanocerataceae.
Frogdenites has an evolute globular shell with a deep umbilicus and covered by bifurcating ribs that cross the venter, the outer rim of the shell, without interruption.
References
Frogdenites Wikipedia(Text) CC BY-SA