Leptothorax (Myrafant) mexicanus Mackay, 2000: 369, figs. 26, 30, 133, 134 (w.q.m.) MEXICO (Coahuila). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Mexico: Coahuila, 16 km. E San Antonio, 20.v.1988, #10270 (W. Mackay). Primary type depository: MCZC. Secondary type information: Secondary type material: 12 paratype workers, 12 paratype queens, 21 paratype males. Secondary type locality: same as for holotype. Secondary type depositories: AMNH, CASC, FMNH, LACM, MCZC, UNAM, USNM, WEMC.