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Arctotherium ("bear beast") is an
extinct genus of the
Pleistocene short-faced
bears endemic to
Central and
South America.
Arctotherium migrated from...
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pristinus and A. simus), the
South American giant short-faced bear
Arctotherium (including A. angustidens, A. vetustum, A. bonariense, A. wingei, and...
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Tremarctos florid****, and the
giant short-faced
bears (Arctodus and
Arctotherium),
which became extinct at the end of the
Pleistocene around 12,000 years...
- California, by J. A.
Richardson in 1878, and were
initially described as
Arctotherium simum by
Edward Drinker Cope in 1879. Historically, all
specimens were...
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equines belonging to the
genus Hippidion, the
giant short-faced bear
Arctotherium, and the
large sabertooth cat Smilodon. The
extinct fox
Dusicyon avus...
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proposed the
humerus represents that of a bear,
possibly the
extinct Arctotherium, and not a cat.
Fossils attributed to
Panthera balamoides were first...
- short-faced
bears (genus Arctodus), the
South American short-faced
bears (
Arctotherium), and the
spectacled bears, Tremarctos,
represented by both an extinct...
- (2.2–0.3 Mya) A.
simus (giant short-faced bear) (1.1–0.012 Mya)
Genus Arctotherium† A.
angustidens (1.2–0.7 Mya) A.
bonariense (0.6–0.037 Mya) A. tarijense...
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Tremarctinae subfamily, with the
other genera, Plionarctos, Arctodus, and
Arctotherium all
being extinct. †Tremarctos florid**** -
Florida short-faced bear...
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Pleistocene South America; S. po****tor
arrived after the
extinction of
Arctotherium angustidens, one of the
largest carnivores ever, and
could therefore...
