Smilodon
Videos
Smilodon is a genus of extinct felids. It is one of the best-known saber-toothed predators and prehistoric mammals. Although commonly known as the saber-toothed tiger, it was not closely related to th
1869 lithograph of the holotype molar and maxilla fragment of S. fatalis
Comparison between the skulls of the machairodonts Homotherium, Megantereon, and Smilodon, by Mauricio Antón
S. fatalis skeleton at the US National Museum of Natural History
American lion
Videos
The American lion is an extinct pantherine cat native to North America during the Late Pleistocene from around 129,000 to 13,100 years ago. Genetic evidence suggests that its closest living relative i
Restoration of an American lion following Camelops, by Charles R. Knight
Skull at the National Museum of Natural History
Environment of what is now White Sands National Park, with American lions drinking in the background