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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 ...
During the Pleistocene, Camelops is known from fossils across western North America, ranging from California, Oregon and Washington State, eastwards to South Dakota, Nebraska, Kansas, Oklahoma and Texas, with rarer records further east, including near the Missouri-Illinois border. [15] [16] Southwards Camelops ranged to Honduras in Central ...
Fossil bones found in Argentina of a large armadillo relative with cut marks suggestive of butchering indicate humans were present in southern South America some 21,000 years ago, according to ...
It is closely related and probably ancestral to the American lion (Panthera atrox). [2] The species ranged from Western Europe to eastern Beringia in North America, and was a prominent member of the mammoth steppe fauna, and an important apex predator across its range. It became extinct about 13,000 years ago. [4]
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]
Each "horn" of the pronghorn is composed of a slender, laterally flattened blade of bone that grows from the frontal bones of the skull, forming a permanent core. As in the Giraffidae, skin covers the bony cores, but in the pronghorn it develops into a keratinous sheath that is shed and regrown on an annual basis.
Dubbed the “Manis projectile point,” the ancient spear tip is the oldest bone weapon in America, researchers said in a study published Feb. 1. Estimated to be around 13,900 years old, the ...