Stephanoceras
| Stephanoceras Temporal range: | |
|---|---|
| S. humphriesianum, (lower Bajocian, Middle Jurassic), Sherborne, Dorset, UK. | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Ammonitida |
| Family: | †Stephanoceratidae |
| Genus: | †Stephanoceras Waagen, 1869 |
Stephanoceras (meaning crown horn) is an extinct genus of Stephanoceratoid ammonite which lived during the Bajocian (Middle Jurassic). It is the type genus of the family Stephanoceratidae.