Monomorium fossulatum subsp. sechellense Emery, 1894b: 69, fig. (w.q.) SEYCHELLES IS (Marie-Anne I.). Malagasy.

Primary type information: Type-material: lectotype worker (by designation of; Heterick, 2006: 179). Type-locality: Seychelles: Marie-Anne I., iii.-v.1892 (Ch. Alluaud). Type-depository: MSNG. Type-specimen: CASENT0008631. Secondary type information: Paratype-material: 1 paralectotype worker. Type notes: Original description also mentions a syntype queen.