• Combination in Pseudomyrmex: Kempf, 1972b: 224
• Subspecies of Pseudomyrmex spinicola: Emery, 1921c: 34; Wheeler, 1942: 180; Enzmann, 1944: 69; Kempf, 1972b: 224.
• Junior synonym of Pseudomyrmex spinicola: Ward, 1993: 150; Bolton, 1995b: 373; Ward, 2017: 531.

Obsolete combinations

• Pseudomyrma spinicola gaigei

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• 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. 1914c. Einige amerikanische Ameisen. Deutsche Entomologische Zeitschrift 1914:615-620. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168. PDF
• Ward, P. S. 2017. A review of the Pseudomyrmex ferrugineus and Pseudomyrmex goeldii species groups: acacia-ants and relatives (Hymenoptera: Formicidae). Zootaxa 4227 (4):524-542. 10.11646/zootaxa.4227.4.3 PDF
• Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262. PDF