Ursoidea

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Ursoidea
Temporal range: Bartonian - Present
37–0 Ma
File:Cephalogale shareri.jpg
Life reconstruction of Cephalogale shareri
File:Brown bear (Ursus arctos), Viiksimo, Kainuu region, Finland, 16 June 2018 (43094873292).jpg
Brown bear (Ursus arctos)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Parvorder: Ursida
Superfamily: Ursoidea
Fischer von Waldheim, 1817
Families

Ursoidea is a superfamily of arctoid carnivoran mammals that includes the families Subparictidae,[1][2] Amphicynodontidae,[3][2] and Ursidae. The last family includes the extant lineages of bears, as well as the extinct Hemicyoninae[4][5] and Ursavinae.[6]

The interrelationships of ursoids has had slight arrangements. In the past it was thought the extinct Amphicyonidae were stem-bears based on morphological analysis of the ear region,[7] though the most recent publications on early amphicyonids suggests they were basal caniforms.[8][9][10]

The amphicynodontids are sometimes classified as either a subfamily of bears,[3] a paraphyletic assemblage of early bears,[2] or even stem-pinnipeds.[11][12][13] The subparictids were previously classified as amphicynodontine/ids.[2] The hemicyonines have been occasionally reclassified as a separate family.[14]

References

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