Pheidole (Elasmopheidole) aberrans var. obscurifrons Santschi, 1925e: 158 (s.w.) ARGENTINA (Santa Fe). Neotropic.

Primary type information: Primary type material: lectotype major worker (by designation of Wilson, 2003a: 139). Primary type locality: lectotype Argentina: Santa Fé, Fives Lille (V. Weiser). Primary type depository: NHMB. Secondary type information: Secondary type material: 1 paralectotype minor worker. Secondary type locality: same as for lectotype. Secondary type depository: NHMB. Type notes: Original description cites 3 syntype major workers, 40 syntype minor workers.