• Subspecies of Tetramorium opacum: Wheeler, 1922: 909; Emery, 1924f: 290.
• Junior synonym of Tetramorium opacum: Brown, 1964a: 15; Bolton, 1976: 303; Bolton, 1986a: 15; Bolton, 1995b: 377.

Obsolete combinations

• Rhoptromyrmex opacus laeviceps

Citations

• Bolton, B. 1976. The ant tribe Tetramoriini (Hymenoptera: Formicidae). Constituent genera, review of smaller genera and revision of Triglyphothrix Forel. Bulletin of the British Museum (Natural History). Entomology 34:281-379. PDF
• Bolton, B. 1986a. A taxonomic and biological review of the tetramoriine ant genus Rhoptromyrmex (Hymenoptera: Formicidae). Systematic Entomology 11:1-17. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Brown, W. L., Jr. 1964a. Some tramp ants of Old World origin collected in tropical Brazil. Entomological News 75:14-15. PDF
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• Santschi, F. 1916b ("1915"). Descriptions de fourmis nouvelles d'Afrique et d'Amérique. Annales de la Société Entomologique de France 84:497-513. PDF
• Wheeler, W. M. 1922. Ants of the American Museum Congo expedition. New York: Bulletin of the American Museum of Natural History, 1139.