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Equus francisci Hay 1915 (horse)

Mammalia - Perissodactyla - Equidae

PaleoDB taxon number: 46270

Alternative combinations: Asinus francisci, Haringtonhippus francisci

Synonyms: Equus (Asinus) calobatus Troxell 1915 (no. 46260), Equus (Hemionus) calobatus Troxell 1915 (no. 104802), Equus arrelanoi Mooser 1958 (no. 46256), Equus quinni Slaughter et al. 1962 (no. 46304)

Full reference: O. P. Hay. 1915. Contributions to the knowledge of the mammals of the Pleistocene of North America. Bulletin of the United States National Museum 48(2086):515-575

Belongs to Equus according to C. I. Barrón-Ortiz et al. 2019

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 calobatus, Equus capensis, Equus cedralensis, Equus coliemensis, Equus complicatus, Equus conversidens, Equus excelsus, 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 specimens:

  • Equus francisci: TAMU 2518, a partial skeleton
  • Equus (Asinus) calobatus: 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.
  • Equus arrelanoi:
  • Equus quinni:

Ecology: scansorial insectivore

Average measurements (in mm): m1 21.7 x 12.8