Eohippus

Eohippus
Temporal range: Ypresian,
Reconstructed skeleton, National Museum of Natural History, Washington, D.C., United States
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Equidae
Genus: †Eohippus
Marsh, 1876
Species:
†E. angustidens
Binomial name
†Eohippus angustidens
(Cope, 1875)
Synonyms
  • Eohippus validus
  • Hyracotherium angustidens
  • H. a. angustidens
  • H. a. etsagicum
  • H. vasacciense
  • H. v. vasacciense
  • H. cusptidatum
  • H. seekinsi
  • H. loevii
  • Orohippus angustidens
  • Orohippus cuspidatus
  • Orohippus vasacciensis
  • Lophiotherium vasacciense

Eohippus is an extinct genus of small equid ungulates. The only species is E. angustidens, which was long considered a species of Hyracotherium (now strictly defined as a member of the Palaeotheriidae rather than the Equidae). Its remains have been identified in North America and date to the Early Eocene (Ypresian stage).

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