Cynomys leucurus Merriam, 1890 . N. Am. Fauna, 3:59.

TYPE LOCALITY: "Fort Bridger, [Uinta Co.] Wyoming " (Merriam, 1890:33) .

DISTRIBUTION: SC Montana, W and C Wyoming, NE Utah, and NW Colorado (USA).

COMMENTS: Subgenus Leucocrossuromys (Hall, 1981) . Reviewed by Clark et al. (1971, Mammalian Species, 7) and Pizzimenti (1976).