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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 ...
There are two recognized species: the lesser short-faced bear (Arctodus pristinus) and the giant short-faced bear (Arctodus simus). Of these species, A. simus was larger, is known from more complete remains, and is considered one of the best known members of North America's extinct Ice Age megafauna .
This is an accepted version of this page This is the latest accepted revision, reviewed on 4 February 2025. Extinct species of canine mammal For the fictional creature in the A Song of Ice and Fire series, see Direwolf (Game of Thrones). For other uses, see Dire wolf (disambiguation). Dire wolf Temporal range: Late Pleistocene – early Holocene (125,000–9,500 years ago) Pre๊ ๊ O S D C P ...
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.
† Dire wolf [31] † Aenocyon dirus: Over 4.000 individuals A large wolf-like carnivore, the dire wolf was the most common predator found in the tar pits of La Brea, outnumbering the slightly smaller grey wolf over 100-fold. They could reach a weight of approximately 68 kg (150 lb).
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 ...
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 ...
Prehistoric Predators is a 2007 National Geographic Channel program based on different predators that lived in the Cenozoic era, including Smilodon and C. megalodon.The series investigated how such beasts hunted and fought other creatures, and what drove them to extinction.