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The American lion (Panthera atrox (/ ˈ p æ n θ ər ə ˈ æ t r ɒ k s /), with the species name meaning "savage" or "cruel", also called the North American lion) is an extinct pantherine cat native to North America during the Late Pleistocene from around 130,000 to 12,800 years ago.
In 1938, he examined fossilized teeth discovered by a limestone quarrying operation and identified them as rare Pleistocene fossils of tapir, bear, and an extinct North American lion. [ 8 ] A prolific writer, Gilmore published 170 scientific papers during his career, including monographic studies on the osteology of Apatosaurus and Camptosaurus ...
Skull of an American lion on display at the National Museum of Natural History. Other lion subspecies or sister species to the modern lion existed in prehistoric times: [20] P. l. sinhaleyus was a fossil carnassial excavated in Sri Lanka, which was attributed to a lion. It is thought to have become extinct around 39,000 years ago. [21]
An amateur fossil hunter discovered a 20,000-year-old Columbian mammoth tusk, ... giant tortoises, and tapirs, along with predators such as dire wolves, saber-toothed cats, the American lion, and ...
† American lion [25] [26] [27] † Panthera atrox: At least 80 individuals A large pantherine, the American lion is a possible descendent of Eurasian cave lions that had become isolated in North America. [26] This big cat is found much more rarely than the contemporary Smilodon. Within the species itself, more fossil specimens are thought to ...
Humans are blessed to share the planet with just over 2.1 million recognized species of animals. And scientists say there are millions more that are yet to be discovered. Many animals like to play ...
Several anatomical studies of remains of Panthera spelaea were conducted during the early-mid 19th century, who generally agreed that the species had lion affinities. [4] During the 20th century and the first decade of the 21st century, Panthera spelaea was often regarded as a subspecies of the modern lion, and therefore as Panthera leo spelaea.
Joseph Mellick Leidy (September 9, 1823 – April 30, 1891) was an American paleontologist, parasitologist and anatomist.. Leidy was professor of anatomy at the University of Pennsylvania, later becoming a professor of natural history at Swarthmore College and the director of scientific and educational programs at the Wagner Free Institute of Science.