Microdipodops megacephalus Merriam, 1891 . N. Am. Fauna, 5:116.
TYPE LOCALITY: U.S.A., Nevada, Elko Co., Halleck .
DISTRIBUTION: N. E. and E.C. California, S.E. Oregon, N. and C. Nevada, and W.C. Utah (U.S.A.).
COMMENT: Reviewed by O'Farrell and Blaustein, 1974, Mamm. Species, 46:1-3.
ISIS NUMBER: 5301410004004001001.