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Bear taxon names such as Arctoidea and Helarctos come from the ancient Greek ἄρκτος (arktos), meaning bear, [7] as do the names "arctic" and "antarctic", via the name of the constellation Ursa Major, the "Great Bear", prominent in the northern sky. [8] Bear taxon names such as Ursidae and Ursus come from Latin Ursus/Ursa, he-bear/she ...
Ursavus is an extinct genus of bear that existed in North America, Europe, and Asia during the Miocene period, about 23–5.3 million years ago (Mya), existing for roughly [ 2 ] [ 3 ] The genus apparently dispersed from Asia into North America about 20 Mya, becoming the earliest member of the subfamily Ursinae in the New World. [ 4 ]
Evolution of Homo antecessor. The last members of Paranthropus die out. 1 Ma First coyotes. 810 ka First wolves: 600 ka Evolution of Homo heidelbergensis. 400 ka First polar bears. 350 ka Evolution of Neanderthals. 300 ka Gigantopithecus, a giant relative of the orangutan from Asia dies out. 250 ka Anatomically modern humans appear in Africa.
Ursoidea is a superfamily of arctoid carnivoran mammals that includes the families Subparictidae, [1] [2] Amphicynodontidae, [3] [2] and Ursidae.The last family includes the extant lineages of bears, as well as the extinct Hemicyoninae [4] [5] and Ursavinae.
The cave bear had a very broad, domed skull with a steep forehead; its stout body had long thighs, massive shins and in-turning feet, making it similar in skeletal structure to the brown bear. [15] Cave bears were comparable in size to, or larger than, the largest modern-day bears, measuring up to 2 m (6.6 ft) in length. [16]
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).
Etruscan bear Temporal range: Early Pleistocene PreꞒ Ꞓ O S D C P T J K Pg N ↓ Fossils Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Family: Ursidae Genus: Ursus Species: † U. etruscus Binomial name † Ursus etruscus Cuvier, 1823 The Etruscan bear (Ursus etruscus) is an extinct species of bear, endemic to Europe, Asia ...
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.
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