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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 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.
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).
Gray wolf [31] [35] Canis lupus: Modern wolves are notably rarer at La Brea than the slightly larger dire wolves. One particular fossil preserves the femur of a wolf that survived a traumatic injury. The nature of the fossil suggests that the wolf's leg was either broken and developed a pseudarthrosis or that the leg was entirely amputated and ...
During the Late Pleistocene, the more southerly occurring dire wolf (Aenocyon dirus) had the same shape and proportions as the Yukon wolf, [33] [34] but the dire wolf subspecies A. dirus guildayi is estimated to have weighed on average 60 kg (130 lb), and the subspecies A. dirus dirus on average 68 kg (150 lb), with some specimens being larger ...
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 ...
[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]
Panthera balamoides (dubious, suggested to be a junior synonym of the short faced bear Arctotherium) Lions. American lion (Panthera atrox) (C) Cave lion (Panthera spelaea; present only in Alaska and Yukon) (C) Caniformia. Canidae Dire wolf (Aenocyon dirus) (C) Pleistocene coyote (Canis latrans orcutti) (C) Megafaunal wolf e.g. Beringian wolf ...