Frogdenites Temporal range:
| |
---|---|
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Subclass: | |
Order: | |
Superfamily: | |
Family: | |
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.