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Arctodus is an extinct genus of short-faced bear that inhabited North America during the Pleistocene (~2.5 Mya until 12,800 years ago). There are two recognized species: the lesser short-faced bear (Arctodus pristinus) and the giant short-faced bear (Arctodus simus).
The Tremarctinae or short-faced bears is a subfamily of Ursidae that contains one living representative, the spectacled bear (Tremarctos ornatus) of South America, and several extinct species from four genera: the Florida spectacled bear (Tremarctos floridanus), the North American giant short-faced bears Arctodus (A. pristinus and A. simus), the South American giant short-faced bear ...
The last short-faced bear, and the ecological successor of A. wingei, is the spectacled bear. Arctotherium was named by Hermann Burmeister in 1879. Tremarctinae (and therefore Arctotherium ) appeared to have disproportionately shorter snouts compared to most modern bears, hence the name "short-faced" was given to them.
[154] [155] Another huge bear was the giant short-faced bear (Arctodus simus), with the average weight of 625 kg (1,378 lb) and the maximum estimated at 957 kg (2,110 lb). [156] There is a guess that the largest individuals of this species could reached even larger mass, up to 1,200 kg (2,600 lb). [154]
Arctodus simus, the giant short-faced bear, was one of the largest mammalian carnivore ever to walk the Earth.The bear is shown defeating Smilodon fatalis and Megalonyx, trying to take down Mexican horses, scaring off dire wolves, and even coming into contact with early humans
The Riverbluff Cave is a paleontological site discovered in the United States, near Springfield, Missouri.The entrance is filled with stalactites, stalagmites and columns. . The cave is approximately 830,000 years old (making it the oldest known fossil cave site in the US [1]) and 2,000 ft (610 m) long, featuring Pleistocene fossils, notably of the short-faced bear (Arctodus simus) the largest ...
It is the only living species of bear native to South America, and the last remaining short-faced bear (subfamily Tremarctinae). Its closest relatives are the extinct Tremarctos floridanus, [4] and the giant short-faced bears (Arctodus and Arctotherium), which became extinct at the end of the Pleistocene around 12,000 years ago.
Grizzly bear [23] [36] Ursus arctos horribilis: A complete grizzly bear skull was found in Pit 10, which also yielded human remains. Carbon dating confirms that the Californian grizzly only appeared in La Brea after the extinction of the larger short-faced bear. Long-tailed weasel [37] [12] [11] Neogale frenata: 53 skulls