Iridomyrmex biconvexus Santschi, 1928e: 471 (w.) AUSTRALIA (Victoria). Australasia.

Primary type information: Primary type material: 12 syntype workers. Primary type locality: Australia: Victoria, Ringwood (C. Barratt). Primary type depositories: MCZC, NHMB. Type notes: 1) Original description cites 12 worker syntypes. 2) Baroni Urbani, 1977e: 76, cites 14 worker syntypes in NHMB. 3) Shattuck, 1994: 4, cites 16 worker syntypes (2 in MCZC, 14 in NHMB).