"The American lion (Panthera leo atrox or P. atrox) \u2013 also known as the North American lion, Naegele\u2019s giant jaguar or American cave lion \u2013 is an extinct lion of the family Felidae, endemic to North America and northwestern South America during the Pleistocene epoch (0.34 million to 11,000 years ago), existing for about 0.33 million years. It has been shown by genetic analysis to be a sister lineage to the Eurasian cave lion (Panthera leo spelaea or P."@en . . . . . . . . . . .