• [Pseudomyrmex thoracica Norton, 1868a: 66. Nomen nudum.]
• Combination in Pseudomyrmex: Kempf, 1972b: 225
• Status as species: Dalla Torre, 1893: 59; Forel, 1899b: 87; Emery, 1921c: 34; Kempf, 1972b: 225.
• Junior synonym of Pseudomyrmex boopis: Ward, 1993: 154; Bolton, 1995b: 376.

Obsolete combinations

• Pseudomyrma thoracica

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• Emery, C. 1921c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174A:1-94 + 7 plates. PDF
• Forel, A. 1899b. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:1-24. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Norton, E. 1868a. Notes on Mexican ants. American Naturalist 2:57-72. PDF
• Norton, E. 1868c. Description of Mexican ants noticed in the American Naturalist, April, 1868. Proceedings of the Essex Institute (Communications) 6:1-10. PDF
• Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168. PDF