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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).
Arctotherium ("bear beast") is an extinct genus of the Pleistocene short-faced bears endemic to Central and South America. [1] Arctotherium migrated from North America to South America during the Great American Interchange, following the formation of the Isthmus of Panama during the late Pliocene.
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 northern species, the Florida short-faced bear, became extinct 11,000 years ago. [1] The sole living Tremarctos species is the South American spectacled bear. Tremarctos is also the only living genus under the Tremarctinae subfamily, with the other genera, Plionarctos, Arctodus, and Arctotherium all being extinct.
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.
Image credits: MegaNymphia White lions went "technically extinct" for 12 years before they slowly started reemerging. Today, there are estimated to be only 13 in the wild.
Castoroides (Latin: "beaver" (castor), "like" (oides) [2]), or the giant beaver, is an extinct genus of enormous, bear-sized beavers that lived in North America during the Pleistocene. Two species are currently recognized, C. dilophidus in the Southeastern United States and C. ohioensis in most of North America.
On this day in economic and financial history... For 25 years, the Dow Jones Industrial Average (INDEX: ^DJI) looked up at 381 points, an all-time high set at the start of September 1929. For 25 ...