| Idoceras Temporal range: Late Jurassic |
|
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Class: | Cephalopoda |
| Order: | Ammonitida |
| Superfamily: | Perisphinctaceae |
| Family: | Perisphinctidae |
| Genus: |
Idoceras Burckhardt, 1906 |
Idoceras is a genus of perisphictacean ammonite, belonging to the Perisphinctidae subfamily Idoceratinae. The genus is known from the Upper Jurassic, with a widespread distribution. Shells of Idoceras are evolute, with a wide umbilicus; ribbing strong, bifurcate high on flanks. Suture simpler than in the similar Ataxioceras.