Brontotherium is an ancient animals, that currently only found in some museum in the world. Brontotherium was a huge mammal, now extinct, related to the horse. The animal lived about 35 million years ago, during the Oligocenie epoch. It was one of the largest of the brontotheres, or titanotheres, family Brontotheridae, which first appeared in North America 54 million years ago and spread to Asia and eastern Europe. The last members of the family died out 22 million years ago. Brontotherium stood 2-4 m (8 ft) high at the shoulder, was 4.5 m (15 ft) long, and weighed about 5 tons. It teeth and fed to soft vegetation. Like many of the brontotheres, it bore a Y-shapped hornlike growth on its snout. This feature consisted of bone covered by thick skin.
Other ancient animals: