Eohippus

extinct genus of small horses about the size of a 2 month old German Shepherd

Eohippus is small fossil proto-horse. It is an extinct genus of small equid ungulates.[1] The only species is E. angustidens, which was long considered a species of Hyracotherium. Its remains have been found in North America and date to the early Eocene (48–56 million years ago).[2]

Eohippus
Temporal range: early Eocene
National Museum of Natural History, Washington, D.C.
Scientific classification
Kingdom:
Class:
Order:
Family:
Genus:
Eohippus

(Marsh, 1876)
Restoration by Heinrich Harder

Much of the evolution of the horse took place in North America. That is where horses originated, but became extinct there about 10,000 years ago.[3]

References

Restoration by Charles Knight