Perognathus fasciatus Wied-Neuwied, 1839 . Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol., 19(1):369.

TYPE LOCALITY: USA, North Dakota, Williams Co., upper Missouri River near jet. with the Yellowstone, near Buford .

DISTRIBUTION: Great Plains from SE Alberta, Saskatchewan, and SW Manitoba (Canada) to NE Utah, S Colorado, and E South Dakota (USA).

SYNONYMS: callistus Osgood, infraluteus Thomas, litus Cary, olivaceogriseus Swenk.

COMMENTS: Revised by Williams and Genoways (1979). Reviewed by Manning and Jones (1988, Mammalian Species, 303).