Ursinae è una sottofamiglia della famiglia Ursidae, nominata da Swainson (1835), sebbene, probabilmente, nominata prima da Hunt (1998). Fu assegnata a Ursidae da Bjork (1970), Hunt (1998) e Jin et al. (2007).[1][2][3]
- ^ Philip R. Bjork, The Carnivora of the Hagerman Local Fauna (Late Pliocene) of Southwestern Idaho, in Transactions of the American Philosophical Society, vol. 60, n. 7, American Philosophical Society, 1970, pp. 3–54, JSTOR 1006119.
- ^ R. M. Hunt, Ursidae, in Louis Jacobs, Christine M. Janis e Kathleen L. Scott (a cura di), Evolution of Tertiary Mammals of North America: Volume 1, Terrestrial Carnivores, Ungulates, and Ungulate like Mammals, Cambridge, UK, Cambridge University Press, 1998, pp. 174–195, ISBN 0-521-35519-2.
- ^ C Jin, RL Ciochon, W Dong, RM Hunt Jr, J Liu, M Jaeger e Q Zhu, The first skull of the earliest giant panda., in Proceedings of the National Academy of Sciences of the United States of America, vol. 104, n. 26, 2007, pp. 10932–7, DOI:10.1073/pnas.0704198104, PMC 1904166, PMID 17578912.