Neivamyrmex megathrix Kempf, 1961b: 486, figs. 1-3 (w.) SURINAME. Neotropic.

Primary type information: Type-material: holotype worker. Type-locality: Suriname: La Poulle, viii.1959 (XVa) (J. van der Drift). Type-depository: MZSP. Secondary type information: Paratype-material: 92 paratype workers. Paratype-locality: 79 paratype workers with same data as holotype, 2 paratype workers Suriname: Dirkshoop, v.1959 (J. van der Drift), 11 paratype workers Dirkshoop, x.1959 (J. van der Drift). Paratype-depositories: MZSP, TBON.