Thylacosmilus atrox (L/M)

Thylacosmilus is a genus of carnivorous marsupials in the family Thylacosmilidae. Its fossils are found in South America. Originally it lived from the Tortonian to Piacenzian ages of the Neogene period, from 9 to 3 million years ago. There is only one species, Thylacosmilus atrox.