Borophagus

Skull of a species of Borophagus

Borophagus is an extinct genus of the Canidae family, endemic to North America. The species were similar in appearance to modern-day hyenas, and weighed between 20 kilograms (44 lb) and

Borophagus Media

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  Borophagus littoralis

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  Restoration by Charles R. Knight, 1902

40 kilograms (88 lb). There are eight known species that lived from around 12 million years ago to about 2 million years ago.