Sifrhippus

Sifrhippus
Temporal range: Ypresian (Wasatchian),
Skeleton at the Natural History Museum of Los Angeles County
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Equidae
Genus: Sifrhippus
Froehlich, 2002
Species
  • S. sandrae (Gingerich, 1989)
Synonyms
  • Hyracotherium sandrae

Sifrhippus is an extinct genus of equid containing the species S. sandrae. Sifrhippus is the oldest known equid, living during the early Eocene. Its fossils were discovered in the Bighorn Basin of Wyoming.