[1]
B. MacFadden and O. Carranza-Castafieda, “Cranium of Dinohippus mexicanus (Mammalia: Equidae) from the early Pliocene (latest Hemphillian) of central Mexico, and the origin of Equus”, FLMNH, vol. 43, no. 5, pp. 163–185, Aug. 2002.