Mammalia - Perissodactyla - Equidae
Alternative combinations: Asinus mexicanus, Pliohippus mexicanus
Synonyms: Dinohippus muelleri Mooser 1964, Dinohippus ocotensis Mooser 1958, Equus (Dolichohippus) mesamexicanus Mooser 1973, Hippotigris ocotensis Mooser 1958, Protohippus muelleri Mooser 1964
Full reference: J. F. Lance. 1950. Paleontologia Y Estratigrafia Del Plioceno De Yepomera, Estado De Chihuahua. 1A Parte: Equidos, Excepto Neohipparion. Universidad Nacional Autónoma de México, Instituto de Geología, Boletín 54:1-81
Belongs to Dinohippus according to B. J. MacFadden 1998
See also Dalquest and Mooser 1980, MacFadden 1984, Mooser 1958, Mooser 1964 and Mooser 1973
Sister taxa: Dinohippus interpolatus, Dinohippus leardi, Dinohippus leidyanus, Dinohippus osborni, Dinohippus spectans, Dinohippus subvenus
Type specimens:
- Dinohippus mexicanus: CIT 3697, a maxilla. Its type locality is Yepomera, which is in a Hemphillian terrestrial horizon in Mexico.
- Equus (Dolichohippus) mesamexicanus: FO 571, a tooth (upper left third premolar).
- Hippotigris ocotensis: Its type locality is Rancho El Ocote (Basal), which is in a Hemphillian fluvial claystone/sandstone in the Rancho Viejo Beds Formation of Mexico.
- Protohippus muelleri: F. O. 274, a mandible (Fragmento de quijada inferior con 4p - 3m y el fragmento labial del 3p). Its type locality is Rancho El Ocote (Basal), which is in a Hemphillian fluvial claystone/sandstone in the Rancho Viejo Beds Formation of Mexico.
Distribution:
• Blancan of Mexico (1 collection)
• Hemphillian of Costa Rica (1), Mexico (18), United States (19: California, Florida, New Mexico, Texas)
• Miocene to Pliocene of United States (1: Florida)
Total: 40 collections including 42 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.