Subfamily Tremarctinae Merriam and Stock 1925 (bear)

Mammalia - Carnivora - Ursidae

Parent taxon: Ursidae according to E. Trajano and H. Ferrarezzi 1995

See also Bjork 1970, Kurten and Anderson 1980, Schubert and Kaufmann 2003, Soibelzon et al. 2008 and Tedford and Martin 2001

Sister taxa: Agriotheriinae, Ailuropodinae, Amphicynodontinae, Eoarctos, Harpaleocyon, Hemicyoninae, Metarctos, Myadina, Phoberocyoninae, Proarctotherium, Taxina, Ursinae, Ursulus

Subtaxa: none

Ecology: ground dwelling herbivore-carnivore

Distribution:

• Quaternary of Uruguay (1 collection)

• Blancan of United States (2: Idaho)

Total: 3 collections each including a single occurrence

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