Oligomyrmex longiceps Santschi, 1929d: 295, figs. 33, 34 (w.m.) ARGENTINA (Córdoba). Neotropic.

Primary type information: Type-material: lectotype worker (by designation of Fernández, 2004a: 216). Type-locality: lectotype Argentina: Córdoba, Sierras de Córdoba, Alta Gracia, La Granja, 1924 (C. Bruch). Type-depository: MZSP. Secondary type information: Paratype-material: 1 paralectotype male. Paratype-locality: same as for lectotype. Paratype-depositories: MZSP (probably other paralectotypes in NHMB). Type notes: Santschi gives no indication of numbers of specimens.