Temporal range: Early Paleocene–Late Paleocene
|Skeleton of A. primaevus|
Arctocyon ('bear dog') is an extinct genus of ungulate mammals. Arctocyon was a "ground dwelling omnivore", that lived from 61.3-56.8 Ma. Synonyms of Arctocyon include Claenodon, and Neoclaenodon. Arctocyon was likely plantigrade, that is, walked like a bear.
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