Mammalia - Carnivora - Canidae

Alternative combinations: Cynodesmus vulpinus, Nothocyon vulpinus

Full reference: W. D. Matthew. 1907. Bulletin of the American Museum of Natural History 23(9)

Belongs to Leptocyon according to X. Wang and R. H. Tedford 1992

Sister taxa: Leptocyon gregorii, Leptocyon vafer

Type specimen: Its type locality is AMNH Rosebud 7, which is in a Harrisonian terrestrial horizon in the Harrison Formation of South Dakota

Ecology: ground dwelling carnivore-omnivore

Average measurements (in mm): m1 11.8 x 4.8