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Bär Züri.JPG
A brown bear (Ursus arctos)
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Ursidae
Subfamily: Ursinae
Fischer de Waldheim, 1817

See text.

Ursinae is a subfamily of Ursidae (bears) named by Swainson (1835) though probably named before Hunt 1998. It was assigned to Ursidae by Bjork (1970), Hunt (1998) and Jin et al. (2007).[1][2][3]


The genera Melursus and Helarctos are sometimes also included in Ursus. The Asiatic black bear and the polar bear used to be placed in their own genera, Selenarctos and Thalarctos; these are now placed at subgenus rank.

A number of hybrids have been bred between American black, brown, and polar bears (see Ursid hybrids).


  1. ^ Bjork, Philip R. (1970). "The Carnivora of the Hagerman Local Fauna (Late Pliocene) of Southwestern Idaho". Transactions of the American Philosophical Society. American Philosophical Society. 60 (7): 3-54. JSTOR 1006119.
  2. ^ Hunt, R. M. (1998). "Ursidae". In Jacobs, Louis; Janis, Christine M.; Scott, Kathleen L. (eds.). Evolution of Tertiary Mammals of North America: Volume 1, Terrestrial Carnivores, Ungulates, and Ungulate like Mammals. Cambridge, UK: Cambridge University Press. pp. 174-195. ISBN 0-521-35519-2.
  3. ^ Jin, C; Ciochon, RL; Dong, W; Hunt Jr, RM; Liu, J; Jaeger, M; Zhu, Q (2007). "The first skull of the earliest giant panda". Proceedings of the National Academy of Sciences of the United States of America. 104 (26): 10932-7. doi:10.1073/pnas.0704198104. PMC 1904166. PMID 17578912.

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