The last of this line, it is known to be the largest terrestrial carnivorous mammal that ever lived. 6 meters long and its skull alone is measured 1 meter long, it weighed up to 1 ton. He lived on the plains of the Eocene and probably ate large herbivores with which it shared its environment.

The peculiarity of this animal does not just its size but its constitution which reconciles or Feline or canine. Indeed, his feet were not completed by claws but hooves, it was indeed part of ungulates such as sheep or horse.