Myrmecocystus nequazcatl Snelling, 1976: 67, figs. 109-116, 162, 174, 186, 194 (w.q.m.) MEXICO (Sonora). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Mexico: Sonora, 1 mi. W Desemboque de los Seris, 5.ii.1972 (E.M. Fisher). Primary type depository: LACM. Secondary type information: Secondary type material: 242 paratype workers, 1 paratype queen, 13 paratype males. Secondary type localities: 25 paratype workers, 1 paratype queen, 13 paratype males with same data as holotype, 17 paratype workers Sonora, 5 mi. S Puerto Libertad, 6.ii.1972 (E.M. Fisher), 200 paratype workers Sonora, Puerto Libertad, 16-17.iv.1957, nos 233, 342 (W.S. Creighton). Secondary type depositories: AMNH, DRIR, LACM, MCZC, USNM.