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Equus excelsus Leidy 1858 (horse)

Osteichthyes - Perissodactyla - Equidae

PaleoDB taxon number: 46268

Alternative combination: Allozebra excelsus

Synonyms: Asinus aguascalentensis Mooser 1959 (no. 44361), Equus aguascalientensis Mooser 1959 (no. 46254), Onager arellanoi Mooser 1959 (no. 49325), Onager hibbardi Mooser 1959 (no. 49328)

Full reference: J. Leidy. 1858. Notice of Remains of Extinct Vertebrata, from the Valley of the Niobrara River, Collected during the Exploring Expedition of 1857, in Nebraska, under the Command of Lieut. G. K. Warren, U. S. Top. Eng., by Dr. F. V. Hayden, Geologist to the Expedition. Proceedings of the Academy of Natural Sciences of Philadelphia 10:15-89

Belongs to Equus according to E. D. Cope 1893

Sister taxa: Equus (Amerhippus), Equus (Dolichohippus), Equus (Hemionus), Equus (Hesperohippus), Equus (Hippotigris), Equus (Plesippus) crenidens, Equus (Protohippus), Equus africanus, Equus alaskae, Equus asinus, Equus australis, Equus caballus, Equus capensis, Equus complicatus, Equus conversidens, Equus curvidens, Equus eous, Equus francescana, Equus francisci, Equus fraternus, Equus fromanius, Equus giganteus, Equus holmesi, Equus idahoensis, Equus intermedius, Equus jubatus, Equus leidyi, Equus midlandensis, Equus nalaikhaensis, Equus nearcticus, Equus nevadanus, Equus niobrarensis, Equus pacificus, Equus parastylidens, Equus pectinatus, Equus proversus, Equus przewalskii, Equus pseudaltidens, Equus quagga, Equus santaeelenae, Equus scotti, Equus semiplicatus, Equus tabeti, Equus taeniopus, Equus yunnanensis, Equus zebra, Equus (Asinus) kiang, Asinus africanus, Onager altidens

Type specimens:

  • Equus excelsus: Its type locality is Niobrara River (coll. Hayden 1857), which is in a Miocene terrestrial horizon in the Loop Fork Formation of Nebraska.
  • Asinus aguascalentensis: FC 21-32, a set of teeth.
  • Onager arellanoi:
  • Onager hibbardi:

Ecology: ground dwelling grazer