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

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