Nesomyrmex bidentatus Csősz & Fisher, 2016a: 18, fig. 7A-C (w.q.m.) MADAGASCAR. Malagasy.

Primary type information: Type-material: holotype worker. Type-locality: Madagascar: Prov. Mahajanga, P.N. Namoroka, 16.9 km. 317° NW Vilanandro, 16°24.4’S, 45°18.6’E, 100 m., 12-16.xi.2002, BLF6646 (Fisher, et al.). Type-depository: CASC. Type-specimen: CASENT0486461. Secondary type information: Paratype-material: 18 paratype workers, 1 paratype queen, 1 paratype male. Paratype-locality: same as for holotype. Paratype-depository: CASC.