Simopone rex Bolton & Fisher, 2012: 60, figs. 64-66 (w.m.) MADAGASCAR. Malagasy.

Primary type information: Type-material: holotype worker. Type-locality: Madagascar: Prov. Antsiranana, Forêt Orangea, 3.6 km. 128° SE Remena, 90 m., 12°16’S, 49°22’E, 22-28.ii.2001, BLF03196, on low vegetation, tropical dry forest (B.L. Fisher et al.). Type-depository: CASC. Type-specimen: CASENT0410642. Secondary type information: Paratype-material: 3 paratype workers. Paratype-locality: same as for holotype. Type-specimens: CASENT0410463, CASENT0410465.