Merriamoceros coronatus (Merriam, 1913)
Syn: Ramoceros coronatus, Merycodus coronatus
Mammalia
Artiodactyla
Antilocapridae
Merycodontinae
Early Miocene
Barstow Fm (Barstovian)
California, US
Length: 1 m
The pronghorn (Antilocapra americana) is the only surviving member of the family Antilocapridae. In the past, the family was much more diversified. Merriamoceros from California, characterized by a small body size and palmate horns, is the oldest known pronghorn. It is known from a fragmentary skull.
March 19, 2017
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