Anatomy: Eohippus (Hyracotherium) was only 2 feet (60 cm) long and 12-14 inches high at the shoulder.

This primitive horse had 4 hoofed toes on the front feet and 3 hoofed toes on each hind foot. It had a long skull with 44 long-crowned teeth.

Diet: Eohippus was a grazing herbivore that ate soft leaves and plant shoots.

When Eohippus lived: 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.