Frogdenites
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| Frogdenites Temporal range: | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Otoitidae |
| Genus: | †Frogdenites |
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, Stephanoceratoidea.
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.
