''Cormocyon'' is an extinct genus of borophagine

canid Canidae (; from Latin, ''canis'', "dog") is a family (biology), biological family of caniform carnivorans, constituting a clade. A member of this family is also called a canid (). The family includes three subfamily, subfamilies: the Caninae, a ...

native to

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

. It lived from the

Oligocene The Oligocene ( ) is a geologic epoch (geology), epoch of the Paleogene Geologic time scale, Period that extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that defin ...

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