Pheidole crassicornis subsp. vallicola Wheeler, 1915b: 409 (s.w.) U.S.A. (Arizona). Nearctic.

Primary type information: Primary type material: lectotype major worker (by designation of Wilson, 2003a: 162). Primary type locality: lectotype U.S.A.: Arizona, Huachuca Mts, Miller Cañon (5000 ft), xi.1910 (W.M. Wheeler). Primary type depository: MCZC. Secondary type information: Secondary type material: 1 paralectotype minor worker. Secondary type locality: same as for lectotype. Secondary type depositories: LACM, MCZC. Type notes: Original description cites 7 syntype major workers, 11 syntype minor workers.