Archaeotherium

Archaeotherium mortoni or the terminator pig was a species of carnivourus even-toed unugulates from the oligocene epoch 24.8 mya. The terminator pig could grow to large sizes of 2 metres long and weigh 150 to 300 kilograms. The terminator pigs favourite prey was likley it's contemporary the oreodont, a lamb sized creature with very few defenses. Archaeotherium had to large canine it used to stab into its preys neck.

trivia

 * Archaeotherium was the second largest entelodont.
 * Archaeotherium was an omnivore.
 * Archaeotherium was discovered by Leidy in 1850.

in the series...
Archaeotherium appeared in prehistoric denver where it attacked an oreodont and snapped it's neck.