| Named By: | unavailable |
| Time Period: | Unavailable |
| Location: | Canada, Tibet and various locations across Europe |
| Size: | Carnivore |
| Diet: | Carnivore |
| Fossil(s): | Multiple individuals but only of shells |
| Classification: | | Mollusca | Cephalopoda | Ammonoidea | Ammonitida | Stephanocerataceae | Otoitidae | |
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.