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Temporal range: Eocene
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Eutheria
Order: Perissodactyla
Family: Palaeotheriidae
Genus: Hyracotherium
Owen, 1841
Binomial name
Hyracotherium leporinum
Owen, 1841

?Eohippus Marsh, 1876

Hyracotherium (meaning "mole beast") was the earliest-known horse - it was the size of a tiny dog. Another name for this genus is Eohippus (meaning "dawn horse").

Description[change | edit source]

Eohippus lived during the early Eocene Epoch, about 50 million years ago. It lived in the Northern hemisphere (in Asia, Europe, and North America). The first fossils of this tiny horse were found in England by the famous paleontologist Richard Owen in 1841 and named Hyracotherium.