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No New Posts Earliest Bear Ancestors

5 52 Basic Bear Evolution
by TheGreenAgriotherium
Jun 7, 2020 4:09:01 GMT -5
No New Posts Amphicyonidae

Amphicyonidae is an extinct family of terrestrial carnivorans belonging to the suborder Caniformia. They first appeared in North America in the middle Eocene (around 45mya), spread to Europe by the late Eocene (35mya), and appear in Asia, and Africa by the early Miocene (23mya). Amphicyonids are often colloquially referred to as "bear-dogs

2 13 Amphicyonidae Basics
by brobear
Apr 30, 2020 4:04:14 GMT -5
No New Posts Hemicyonidae

Dog Bear - Hemicyoninae is an extinct subfamily of Ursidae[2][1] often called "dog-bears", literally "half dog" (Greek: ἡμικυων hemi-kyōn), bear-like carnivoran living in Europe, North America, Africa and Asia during the Oligocene through Miocene epochs 33.9–5.3 Ma, existing for approximately 28.6 million years. They are sometimes classified as a separate family

3 12 Plithocyon
by King Kodiak
Apr 26, 2020 9:03:07 GMT -5
No New Posts Kolponomos

Otter Bear - Kolponomos is an extinct genus of carnivoran mammal that existed in the Late Arikareean North American Land Mammal Age, early Miocene epoch, about 20 million years ago. It was likely a marine mammal.[1]

3 40 Kolponomos Basics
by brobear
Sept 16, 2020 0:39:30 GMT -5
No New Posts Ailuropoda

Ancient Panda - Ailuropoda is the only extant genus in the ursid (bear) subfamily Ailuropodinae. It contains one living and three fossil species of panda

5 28 Kretzoiarctos beatrix
by King Kodiak
Jul 16, 2020 0:01:26 GMT -5
No New Posts Indarctos

Indarctos is an extinct genus of bear, endemic to North America, Europe and Asia during the Miocene. It was present from ~11.1 to 5.3 Ma, existing for approximately 6.2 million years.

7 30 Indarctos atticus
by King Kodiak
May 19, 2020 11:12:07 GMT -5
No New Posts Agriotherium

Agriotherium is an extinct genus of bears whose fossils are found in Miocene through Pleistocene-aged strata of North America, Europe, Africa, and Asia. This long-lived genus persisted from at least ~11.6–2.5 Mya.[2] Materials from the late-surviving A. africanum in Africa have suggested that A. africanum died out during the early Gelasian

4 66 Agriotherium species:
by brobear
Sept 6, 2020 14:21:37 GMT -5
No New Posts Tremarctinae

Short face Bears - 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 short-faced bears of genera Plionarctos (P. edensis and P. harroldorum) and Arctodus (A. pristinus and A. simus), and the South American giant short-faced bears of Arctotherium (including A. angustidens, A. vetustum, A. bonariense, A. wingei, and A. tarijense).[1] The group is thought to have originated in eartern North America, and then invaded South America as part of the Great American Interchange.[2]

15 523 Did Tremarctinae Bears Hibernate?
by brobear
Sept 21, 2020 12:05:04 GMT -5
No New Posts Cave Bears

One of the largest prehistoric bears, the cave bear dominated its way through the steppes and snow-layered valleys of both Europe and Siberia, surviving along with many other dangerous predators and its smaller ursine contenders including the brown bear.

14 292 Ursus spelaeus - the classic cave bear
by brobear
Sept 17, 2020 11:02:21 GMT -5
No New Posts Extinct Ursus Bears - 3 Viewing

Other than cave bears

21 625 Atlas Bear
by King Kodiak
Sept 20, 2020 20:14:13 GMT -5

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Prehistoric & Extinct Bears
Bear Evolution, Bears that are extinct or recently extinct
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