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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.
† 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 ...
Discovered (for the first time by European Americans): Black-tailed prairie dog (Cynomys ludovicianus) Bushy-tailed woodrat (Neotoma cinerea) Grizzly bear (Ursus arctos horribilis) Mule deer (Odocoileus hemionus) Pronghorn (Antilocapra americana) Swift fox (Vulpes velox) White-tailed jackrabbit (Lepus townsendii) Described: American badger ...
The heaviest known pantherine felids are the Ngangdong tiger (Panthera tigris soloensis), which has been estimated to have weighed up to 486 kg (1,071 lb), [177] the extinct leonine Panthera fossilis, which has been estimated to have maximum weight of 400–500 kg (880–1,100 lb), [183] the American lion (Panthera atrox), weighing up to 363 kg ...
The American lion has been extinct for approximately 11,000 years. The fossil is a rare find in Mississippi. The American lion has been extinct for approximately 11,000 years.
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 ...
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 ...