Elbow-joint morphology in the North American 'cheetah-like' cat .

The North American cheetah-like cat is an extinct species that roamed the Pleistocene prairies 13 000 years ago. Although is more closely related to the cougar () than to the living cheetah (), it is believed that both and possess a highly specialized skeleton for fast-running, including limbs adapted for speed at the expense of restricting the ability of prey grappling. However, forelimb dexterity of has not been yet investigated.

The brain of the North American cheetah-like cat .

The cheetah the fastest living land mammal, is an atypical member of the family Felidae. The extinct feline known as the North American cheetah, is thought to have convergently evolved with to pursue fast and open-country prey across prairies and steppe environments of the North American Pleistocene. The brain of is unique among the living felids, but it is unknown whether the brain of the extinct is convergent to that of .