Full reference: X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207
Type specimen: F:AM 63316, a partial skull (maxillary and mandible fragments). Its type locality is Dickinson Member (Woodland), which is in an Orellan terrestrial horizon in the Brule Formation of North Dakota.
Ecology: ground dwelling carnivore-omnivore
Average measurements (in mm): P4 11.2 x 7.5, M1 8.54 x 10.20, M2 5.73 x 7.00, p4 8.30 x 3.80, m1 12.3 x 5.8, m2 6.35 x 4.40