Simopelta quadridentata Mackay & Mackay, 2008b: 319, figs. 26, 55 (w.) COSTA RICA. Neotropic.

Primary type information: Type-material: holotype worker. Type-locality: Costa Rica: Puntarenas, 4 km. SSE San Vito, 8°47’N, 82°58’W, 1200 m., 27.iii.1990, #10662-1 (P.S. Ward). Type-depository: MCZC. Secondary type information: Paratype-material: 1 paratype worker. Paratype-locality: same as for holotype. Paratype-depository: WEMC.