• Subspecies of Pseudomyrmex elongatus: Forel, 1912h: 24; Emery, 1921c: 32; Wheeler, 1942: 165; Enzmann, 1944: 72.
• Junior synonym of Pseudomyrmex elongatus: Creighton, 1957b: 18; Kempf, 1972b: 218; Smith, 1979: 1346; Ward, 1985b: 227; Ward, 1989a: 419; Bolton, 1995b: 376.

Obsolete combinations

• Pseudomyrma elongata tandem

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Creighton, W. S. 1957b ("1955"). Observations on Pseudomyrmex elongata Mayr (Hymenoptera: Formicidae). Journal of the New York Entomological Society 63:17-20. PDF
• Emery, C. 1921c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174A:1-94 + 7 plates. PDF
• Enzmann, E. V. 1944. Systematic notes on the genus Pseudomyrma. Psyche (Cambridge) 51:59-103. PDF
• Forel, A. 1906d. Fourmis néotropiques nouvelles ou peu connues. Annales de la Société Entomologique de Belgique 50:225-249. PDF
• Forel, A. 1912h. Formicides néotropiques. Part IV. 3me sous-famille Myrmicinae Lep. (suite). Mémoires de la Société Entomologique de Belgique 20:1-32. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V.; Hurd, P. D.; Smith, D. R.; Burks, B. D. (eds.) 1979. Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209.
• Ward, P. S. 1985b. The Nearctic species of the genus Pseudomyrmex (Hymenoptera: Formicidae). Quaestiones Entomologicae 21:209-246. PDF
• Ward, P. S. 1989a. Systematic studies on pseudomyrmecine ants: revision of the Pseudomyrmex oculatus and P. subtilissimus species groups, with taxonomic comments on other species. Quaestiones Entomologicae 25:393-468. PDF
• Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262. PDF