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†subfamily Amphicynodontinae Simpson 1945 (bear)

Amniota - Therapsida - 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

Sister taxa: Adelpharctos, Agriotheriinae, Amphicynodon, Dinocyon, Gulonina, Harpaleocyon, Hemicyon, Hemicyoninae, Metarctos, Myadina, Taxina, Thaumastocyon, Tremarctinae, Ursinae, Ursulus, Zaragocyon

Subtaxa: Allocyon, Kolponomos, Parictis

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Ecology: ground dwelling herbivore-carnivore