Carpocyon

Carpocyon is a member of the Borophaginae, and a terrestrial canid (dog) which inhabited most of North Americaduring the Barstovian stage of the Middle Miocene through the Hemphillian stage of the Late Miocene epoch 13.6 to 5.3 Ma Mya.[1] Carpocyon existed for approximately 16.5 million years.