Primary type information: Primary type material: holotype major worker. Primary type locality: Mexico: Coahuila, Puente La Muralla, 38 km. S Monclova, 1280 m. (R.J. Hamton). Primary type depository: MCZC. Secondary type information: Secondary type material: 1 paratype minor worker. Secondary type locality: same as for holotype. Secondary type depository: MCZC. Type notes: Details of paratype castes and their numbers are not given.
- Wilson, E. O. 2003a. Pheidole in the New World. A dominant, hyperdiverse ant genus. Cambridge, Mass.: Harvard University Press, [ix] + 794 pp.