Panthera

Panthera (PAN-there-UH) was an extincted lion that lived in the Ice Age. It was discovered in North America during the Pleistocene.

More Real Life Information: Panthera at Wikipedia

Facts
Panthera leo atrox is the 1st biggest mammalian land carnivore and 2nd largest cat in the the world after Machairodus who also the1st largest cat.