Ursus Linnaeus, 1758 . Syst. Nat., 10th ed., 1:47.

COMMENT: Includes Euarctos, Melanarctos, Mylarctos, Selenarctos, Thalarctos, Thalassarctus, Thalassiarchus, Myrmarctos, Ursarctos, and Vetularctos; see Ellerman and MorrisonScott, 1951:235; Stains, 1967, in Anderson and Jones, p. 331; Hall, 1981:947; Kurten and Anderson, 1980, Pleistocene mammals of North America, Columbia Univ. Press, New York, p. 183; but also see Corbet, 1978:165- 166, and Hendey, 1980:98.

ISIS NUMBER: 5301412002006000000.