Protoceras is an extinct hoof of the Protoceratidae family. The gender includes several species that lived in the Oligocene and Miocean in North America. Appearance
Protoceras was 1 meter long and sexually dimorphous; Male animals had three pairs of bone bones while female animals had only one pair on the back of the head. Primitive features were the presence of upper cut teeth and four toes on each foot as opposed to the two-legged two toes on each leg at later species. Fossils
Protoceras fossils found in the Canadian province of Saskatchewan and the states of Wyoming, Nebraska, North Dakota and South Dakota.
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