• Combination in Rhytidoponera (Chalcoponera): Emery, 1911e: 39
• Subspecies of Rhytidoponera metallica: Forel, 1907j: 270.
• Subspecies of Rhytidoponera victoriae: Emery, 1911e: 39; Emery, 1912a: 80; Forel, 1915b: 15.
• Junior synonym of Rhytidoponera victoriae: Brown, 1958g: 205, 285; Taylor & Brown, 1985: 49; Taylor, 1987a: 71; Bolton, 1995b: 380.

Obsolete combinations

• Ectatomma metallicum modestum
• Rhytidoponera metallica modestum

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bulletin of the Museum of Comparative Zoology 118:173-362. PDF
• Emery, C. 1895h. Descriptions de quelques fourmis nouvelles d'Australie. Annales de la Société Entomologique de Belgique 39:345-358. PDF
• Emery, C. 1911e. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118:1-125. PDF
• Emery, C. 1912a. Revision der Rhytidoponera (subg. Chalcoponera) der metallica-Gruppe. (Hym.-Formic.). Deutsche Entomologische Zeitschrift 1912:77-81. PDF
• Forel, A. 1907j. Formicidae. In: Michaelsen, W.; Hartmeyer, R. (eds.) 1907. Die Fauna Südwest-Australiens. Band I, Lieferung 7. Jena: Gustav Fischer, pp. 263-310. PDF
• Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Arkiv för Zoologi 9(16):1-119. PDF
• Taylor, R. W. 1987a. A checklist of the ants of Australia, New Caledonia and New Zealand (Hymenoptera: Formicidae). CSIRO (Commonwealth Scientific and Industrial Research Organization) Division of Entomology Report 41:1-92. PDF
• Taylor, R. W.; Brown, D. R. 1985. Formicoidea. Zoological Catalogue of Australia 2:1-149, 306-348.