From search of external encyclopedias:
Quaternary bears (Category) [Prehistoric bears] [Cenozoic bears] [Quaternary carnivorans] ...
Paleogene bears (Category) [Prehistoric bears] [Cenozoic bears] [Paleogene carnivorans] ...
Cenozoic bears (Category) [Prehistoric bears] [Cenozoic carnivorans] ...
Eocene bears (Category) [Cenozoic bears] [Paleogene bears] ...
Neogene bears (Category) [Prehistoric bears] [Cenozoic bears] [Neogene carnivorans] ...
Pliocene bears (Category) [Cenozoic bears] [Neogene bears] ...
Miocene bears (Category) [Cenozoic bears] [Neogene bears] ...
Oligocene bears (Category) [Cenozoic bears] [Paleogene bears] [Oligocene caniforms] ...
Agriarctos (Biology) [Miocene bears] Extinct genus of bears ...
Aurorarctos (Biology) [Miocene bears] Extinct genus of bears ...
Prehistoric bears (Category) [Prehistoric caniforms] [Extinct bears] ...
Cephalogale (Biology) [Miocene bears] [Oligocene bears] Extinct genus of bears ...
Ailurarctos (Biology) [Miocene bears] Extinct genus of bears ...
Bergman's bear (Biology) [Carnivorans of Asia] [Extinct bears] Bergman's bear ( Ursus arctos piscator ) is an alleged and ...
Plionarctos (Biology) [Miocene bears] [Pliocene bears] Plionarctos is an extinct genus of short-faced bear endemic to North ...
Ursavus (Biology) [Miocene bears] Extinct genus of bears ...
Ballusia (Biology) [Miocene bears] Extinct genus of bears ...
Miomaci (Biology) [Miocene bears] Extinct genus of bears ...
Phoberogale (Biology) [Oligocene bears] [Hemicyonids] Extinct genus of bears ...
Kretzoiarctos (Biology) [Ailuropodinae] [Miocene bears] Kretzoiarctos is an extinct bear genus from the European Miocene ...
Agriotherium (Biology) [Pleistocene extinctions] [Pleistocene carnivorans] [Pliocene bears] Extinct genus of bears ...
Hemicyoninae (Biology) [Mammal subfamilies] [Oligocene bears] [Hemicyonids] Extinct subfamily of bears ...
Protarctos (Biology) [Prehistoric mammal genera] [Pliocene bears] Extinct genus of bear ...
Steppe brown bear (Biology) [Pleistocene extinctions] [Pleistocene carnivorans] [Extinct bears] Disputed extinct subspecies of brown bear ...
Bears in Ireland (Biology) [Quaternary bears] Animal formerly native to Ireland ...
Ursus etruscus (Biology) [Pleistocene carnivorans] [Pliocene bears] Extinct species of carnivore ...
Mexican grizzly bear (Biology) [Carnivorans of North America] [Species made extinct by human activities] [Extinct bears] Extinct population of the brown bear ...
Kretzoiarctos beatrix (Biology) [Miocene bears] Extinct species of carnivore ...
California grizzly bear (Biology) [Species made extinct by human activities] [Carnivorans of North America] [Extinct bears] Extinct population of the brown bear ...
Tremarctos floridanus (Biology) [Pleistocene extinctions] [Pliocene bears] Extinct species of bear ...