†subfamily Amphicynodontinae Simpson 1945 (bear)

Mammalia - Carnivora - Ursidae

Alternative spelling: Amphicynodontidae

Full reference: G. G. Simpson. 1945. The principles of classification and a classification of mammals. Bulletin of the American Museum of Natural History 85:1-350

Parent taxon: Ursidae according to R. M. Hunt 1998

See also Tedford et al. 1994

Sister taxa: Agriotheriinae, Ailuropodinae, Harpaleocyon, Hemicyon, Hemicyoninae, Metarctos, Myadina, Phoberocyoninae, Proarctotherium, Subparictidae, Taxina, Thaumastocyon, Tremarctinae, Ursinae, Ursulus, Zaragocyon

Subtaxa: Allocyon Amphicynodon Drassonax Kolponomos Pachycynodon Parictis Wangictis

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Ecology: ground dwelling herbivore-carnivore

Distribution:

• Miocene of United States (3: Alaska, Oregon, Washington collections)

• Arikareean of United States (1: Oregon)

• Oligocene of China (2), France (9), Germany (1), Hungary (1), Mongolia (5), United States (4: Colorado, Oregon, South Dakota, Wyoming)

• Eocene of Canada (1: Saskatchewan), United States (21: Colorado, Montana, Nebraska, South Dakota, Wyoming)

Total: 48 collections including 64 occurrences

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