Iridomyrmex bigi Shattuck, 1993a: 119, fig. 9 (w.) AUSTRALIA (Northern Territory). Australasia.

Primary type information: Primary type material: holotype worker. Primary type locality: Australia: Northern Territory, Henbury Crater, 24°35’S, 133°09’E, 22.i.1991, SOSC no. 2097 (S.O. Shattuck). Primary type depository: ANIC. Secondary type information: Secondary type material: 51 paratype workers. Secondary type locality: 19 paratype workers with same data as holotype, 15 paratype workers with same data as holotype but SOSC no. 2101, 17 paratype workers with same data as holotype but SOSC no. 2104. Secondary type depositories: ANIC, BMNH, MCZC.