Megalomyrmex bidentatus Fernández & Baena, 1997: 112, fig. 3 (w.) COLOMBIA. Neotropic.

Primary type information: Type-material: holotype worker. Type-locality: Colombia: Nariño, Barbacoas, Tajadas, no. 446 (F. Escobar). Type-depository: ICNB. Secondary type information: Paratype-material: 14 paratype workers. Paratype-locality: 1 paratype worker with same data as holotype, 13 paratype workers Nariño, Barbacoas, Reserve Nacional Natural Rio Nambi, no. 190 (F. Escobar). Paratype-depositories: AMNH, BMNH, IAVH, IMLT, MIZA, MZSP, PSWC, USNM, UVCC, WEMC.