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Skull and neck of a Panthera atrox (fossil North American lion) (Pleistocene; North America)
The muzzle of the cave lion was longer and narrower than modern lions.
A North American Cave Lion skeleton Panthera atrox (fossil North American lion) (Pleistocene; North America) 3Panthera atrox (Leidy, 1853) - fossil North American lion skeleton from the Pleistocene of North America. (public display, Sternberg Museum of Natural History, Hays, Kansas, USA)
Cave lions weighed as much as 700 pounds.