Amphicyon is a species of large carnivorous bone-crushing mammals, popularly known as bear dogs, of the family Amphicyonidae, subfamily Amphicyoninae, from the Burdigalian Epoch until the late Pliocene.
Thought to have been extinct for 2 million years, there are still some that remain alive on Primeval Island. In fact, they are one of the island's apex predators.