| Protoceras Temporal range:
| |
|---|---|
| |
| Protoceras celer skeleton | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Family: | †Protoceratidae |
| Subfamily: | †Protoceratinae |
| Genus: | †Protoceras Marsh, 1891 |
| Type species | |
| †Protoceras celer | |
| Species | |
| |
Protoceras ('first horn') is an extinct genus of Artiodactyla, of the family Protoceratidae, endemic to North America. It lived from the Oligocene to the Early Miocene 33.3—16.0 Ma, existing for approximately 17 million years.[1]
