Ectatomma simplex Emery, 1896 an obsolete combination of Holcoponera simplex (Emery, 1896)
Ectatomma (Holcoponera) simplex Emery, 1896g: 46, pl. 1, fig. 7 (w.q.) COSTA RICA. Neotropic.
Primary type information: Primary type material: syntype workers, syntype queens (numbers not stated, “some”). Primary type locality: Costa Rica: Alajuela (A. Alfaro). Primary type depository: MSNG.
Citations

Extant: 0 valid subspecies (1 obsolete combination)