Perognathus parvus (Peale, 1848) . Mammalia and Ornithology in U.S. Expl. Exped...., 8: 53.

TYPE LOCALITY: U.S.A., Oregon, Wasco Co., probably near the Dalles .

DISTRIBUTION: Great Basin desert and grasslands from S. British Columbia (Canada), south to E. California and east to S. E. Wyoming and N. Arizona (U.S.A.).

ISIS NUMBER: 5301410004005022001.