Smilodon populator ("the Smilodon that brings devastation") was a species of sabretoothed cat or
smilodon, (formerly known as the sabretooth tiger). Smilodon populator first appeared in
South America about 1 million years ago and became extinct about 10,000 years ago. It was much larger than its cousins,
Smilodon fatalis and
Smilodon gracilis, possessing a massive chest and front legs.