''Cormocyon'' is an extinct genus of

borophagine The extinct Borophaginae form one of three subfamilies found within the canid family. The other two canid subfamilies are the extinct Hesperocyoninae and extant Caninae. Borophaginae, called "bone-crushing dogs", were endemic to North America ...

canid Canidae (; from Latin, '' canis'', " dog") is a biological family of dog-like carnivorans, colloquially referred to as dogs, and constitutes a clade. A member of this family is also called a canid (). There are three subfamilies found withi ...

native to North America. It lived from the Oligocene to the

Early Miocene The Early Miocene (also known as Lower Miocene) is a sub-epoch of the Miocene epoch (geology), Epoch made up of two faunal stage, stages: the Aquitanian age, Aquitanian and Burdigalian stages. The sub-epoch lasted from 23.03 ± 0.05 annum, Ma to ...

, 30.8—20.6 Mya, existing for about . It is regarded as a primitive, transitional member of the Borophagini tribe.

References

*''The Terrestrial Eocene-Oligocene Transition in North America'' By Donald R. Prothero and Robert J. Emry *Flynn, J.J., 1998. Early Cenozoic Carnivora ("Miacoidea"). pp. 110–123 ''in'' C.M. Janis, K.M. Scott, and L.L. Jacobs (''eds.'') ''Evolution of Tertiary Mammals of North America. Volume 1: Terrestrial Carnivores, Ungulates, and Ungulatelike Mammals.'' Cambridge University Press, Cambridge. Oligocene canids Miocene canids Oligocene genus extinctions Cenozoic mammals of North America Prehistoric carnivoran genera Paleogene genus first appearances Taxa named by Xiaoming Wang {{paleo-carnivora-stub