Equus calobatus Troxell 1915 (horse)

Mammalia - Perissodactyla - Equidae

Full reference: E. L. Troxell. 1915. The vertebrate fossils of Rock Creek, Texas. American Journal of Science 39(234):613-638

Belongs to Equus according to Troxel 1915

Sister taxa: Equus (Amerhippus), Equus (Dolichohippus), Equus (Hemionus), Equus (Hesperohippus), Equus (Hippotigris), Equus (Sussemionus), Equus africanus, Equus alaskae, Equus asinus, Equus australis, Equus caballus, Equus capensis, Equus cedralensis, Equus coliemensis, Equus complicatus, Equus conversidens, Equus excelsus, Equus francisci, Equus fraternus, Equus fromanius, Equus giganteus, Equus hatcheri, Equus holmesi, Equus intermedius, Equus jubatus, Equus laurentius, Equus leidyi, Equus major, Equus mexicanus, Equus nalaikhaensis, Equus nevadanus, Equus niobrarensis, Equus nobisi, Equus pacificus, Equus parastylidens, Equus pectinatus, Equus przewalskii, Equus pseudaltidens, Equus quagga, Equus santaeelenae, Equus scotti, Equus semiplicatus, Equus tabeti, Equus taeniopus, Equus yunnanensis, Equus zebra, Hippotherium princeps, Equus (Asinus) kiang, Asinus africanus, Onager onager

Type specimen: YPM 13470, a limb element (left metatarsal). Its type locality is head of Rock Creek, Mayfield Ranch, which is in an Irvingtonian terrestrial horizon in the Tule Formation of Texas.

Ecology: ground dwelling grazer

Distribution:

• Quaternary of Canada (1: Alberta collection), United States (16: Kansas, Nebraska, Oklahoma, South Dakota, Texas)

• Blancan of United States (6: Colorado, Kansas, Nebraska, New Mexico)

Total: 23 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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