Polar Bear – Ursus maritimus

Ursus maritimusPhipps, 1774

Accepted name, Mammal Species of the World 2005

Revised by Wilson (1976). Reviewed by DeMaster and Stirling (1981). Placed in subgenus Thalarctos by Gromov and Baranova (1981). U. maritimus is considered the sister species to arctos (Goldman et al., 1989; Shields and Kocher, 1991). Synonyms allocated according to Ellerman and Morrison-Scott (1951) and Hall (1981).

• Wilson, D and Reeder, D. (eds.) 2005. Mammal Species of the World. A Taxonomic and Geographic Reference. 3rd ed. -- 2142 pp. Johns Hopkins University Press.