| Canis cedazoensis, Canis lepophagus, Canis edwardii, Armbruster's wolf, Cynarctoides|
Canis ferox (Latin: canis: dog, ferox: fierce; hence fierce dog) is a species of canidae which was endemic to North America and lived from the Late Hemphillian stage (10.9 Mya) of the Miocene through the Pliocene epoch (5.8 Mya). Canis ferox existed for approximately 5 million years.
Canis ferox Wikipedia
The first fossil record was found in Rancho Viejo, central Mexico. A specimen was estimated by Legendre and Roth to weigh 14.3 kg (31.5 lbs) and another specimen was estimated to weigh 13.3 kg (29.3 lbs).