• As unavailable (infrasubspecific) name: Emery, 1921c: 29; Wheeler, 1925a: 10; Kempf, 1972b: 220.
• Declared as unavailable (infrasubspecific) name: Ward, 1990: 487.
• Material referred to Pseudomyrmex gracilis by Ward, 1993: 156.

Obsolete combinations

• Pseudomyrma gracilis mexicana guayaquilensis

Citations

• Emery, C. 1921c. Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [part]. Genera Insectorum 174A:1-94 + 7 plates. PDF
• Forel, A. 1907h. Formiciden aus dem Naturhistorischen Museum in Hamburg. II. Teil. Neueingänge seit 1900. Mitteilungen aus dem Naturhistorischen Museum in Hamburg 24:1-20. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Ward, P. S. 1990. The ant subfamily Pseudomyrmecinae (Hymenoptera: Formicidae): generic revision and relationship to other formicids. Systematic Entomology 15:449-489. PDF
• Ward, P. S. 1993. Systematic studies on Pseudomyrmex acacia-ants (Hymenoptera: Formicidae: Pseudomyrmecinae). Journal of Hymenoptera Research 2:117-168. PDF
• Wheeler, W. M. 1925a. Neotropical ants in the collections of the Royal Museum of Stockholm. Arkiv för Zoologi 17A(8):1-55. PDF