Iridomyrmex anceps valid West Malaysia. Indomalaya.
Roger, J. 1863a. Die neu aufgeführten Gattungen und Arten meines Formiciden-Verzeichnisses nebst Ergänzung einiger früher gegebenen Beschreibungen. Berliner Entomologische Zeitschrift 7:131-214.   128093

Iridomyrmex anceps ignobilis synonym of Iridomyrmex anceps Fiji Is (Viti Levu). Oceania.
Mann, W. M. 1921. The ants of the Fiji Islands. Bulletin of the Museum of Comparative Zoology 64:401-499.   127072

Iridomyrmex anceps papuanus synonym of Iridomyrmex anceps New Guinea (Papua New Guinea). Australasia.
Emery, C. 1897. Viaggio di Lamberto Loria nella Papuasia orientale. XVIII. Formiche raccolte nella Nuova Guinea dal Dott. Lamberto Loria. Dummy reference. Annali del Museo Civico di Storia Naturale 38[=(2)18]:546-594.   133003

Iridomyrmex anceps papuanus neocaledonica unavailable New Caledonia. Australasia.
Emery, C. 1914f. Les fourmis de la Nouvelle-Calédonie et des îles Loyalty. Nova Caledonia. A. Zoologie 1:393-437.   124721

Iridomyrmex anceps sikkimensis synonym of Iridomyrmex anceps India (Sikkim, Meghalaya). Indomalaya.
Forel, A. 1904d. Miscellanea myrmécologiques. Revue Suisse de Zoologie 12:1-52.   125147

Iridomyrmex anceps watsonii synonym of Iridomyrmex anceps Myanmar. Indomalaya.
Forel, A. 1895f. Les Formicides de l'Empire des Indes et de Ceylan. Part V. Journal of the Bombay Natural History Society 9:453-472.   125069