Neivamyrmex crassiscapus Watkins, 1990b: 348, figs. 1-8 (m.) MEXICO (Chiapas). Neotropic.

Primary type information: Primary type material: holotype male. Primary type locality: Mexico: Chiapas, nr Palenque, 12-16.vi.1979 (J.F. Watkins). Primary type depository: USNM. Secondary type information: Secondary type material: 10 paratype males. Secondary type locality: same as for holotype. Secondary type depositories: AMNH, JFWC, LACM, MZSP, USNM.