• Lectotype designation: Kempf, 1959d: 428.
• Forel, 1912h: 18 (q.)
• Combination in Leptothorax (Goniothorax): Emery, 1896g: 59 (in key).
• Combination in Leptothorax (Nesomyrmex): Kempf, 1959d: 427.
• Combination in Nesomyrmex: Bolton, 2003: 272.
• Junior synonym of Nesomyrmex echinatinodis: Kusnezov, 1958c: 267.
• Subspecies of Nesomyrmex echinatinodis: Forel, 1899b: 55; Forel, 1908a: 65; Forel, 1912h: 18; Mann, 1916: 448; Emery, 1924f: 250; Borgmeier, 1927c: 109; Wheeler, 1942: 206.
• Status as species: Dalla Torre, 1893: 127; Forel, 1895b: 126; Emery, 1896g: 59 (in key); Emery, 1896h: 625; Santschi, 1931f: 277; Kempf, 1959d: 427 (redescription); Kempf, 1972b: 134; Bolton, 1995b: 245; Bolton, 2003: 272; Wild, 2007b: 34; Fernández & Serna, 2019: 825.
• Senior synonym of Nesomyrmex genualia: Kempf, 1959d: 427; Kempf, 1972b: 134; Bolton, 1995b: 245.
• Senior synonym of Nesomyrmex umbratilis: Kempf, 1959d: 427; Kempf, 1972b: 134; Bolton, 1995b: 245.

Junior synonyms

• Nesomyrmex genualia (Santschi, 1922)
  Obsolete combination(s): Leptothorax genualia
• Nesomyrmex umbratilis (Wheeler, 1921)
  Obsolete combination(s): Leptothorax umbratilis

Obsolete combinations

• Leptothorax spininodis

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Bolton, B. 2003. Synopsis and classification of Formicidae. Memoirs of the American Entomological Institute 71:1-370. PDF
• Borgmeier, T. 1927c. Catalogo systematico e synonymico das formigas do Brasil. 2 parte. Subf. Pseudomyrminae, Myrmicinae, Formicidae. Archivos do Museu Nacional (Rio de Janeiro) 29:69-164. PDF
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
• Emery, C. 1896g. Studi sulle formiche della fauna neotropica. XVII-XXV. Bullettino della Società Entomologica Italiana 28:33-107. PDF
• Emery, C. 1896h. Formiciden, gesammelt in Paraguay von Dr. J. Bohls. Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere 9:625-638. PDF
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• Fernández, F.; Serna, F. J. 2019. Subfamilia Myrmicinae. Capítulo 27. Pp. 791-888 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF
• Forel, A. 1895b. A fauna das formigas do Brazil. Boletim do Museu Paraense de Historia Natural e Ethnographia 1:89-139. PDF
• Forel, A. 1899b. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:1-24. PDF
• Forel, A. 1908a. Catálogo systemático da collecção de formigas do Ceará. Boletim do Museu Rocha 1(1):62-69. 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. 1959d. A synopsis of the New World species belonging to the Nesomyrmex-group of the ant genus Leptothorax Mayr (Hymenoptera: Formicidae). Studia Entomologica (n.s.)2:391-432. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Kusnezov, N. 1958c. La posición sistemática de las especies argentinas del genero Leptothorax Mayr, 1855. Acta Zoologica Lilloana 16:265-271. PDF
• Mann, W. M. 1916. The Stanford Expedition to Brazil, 1911, John C. Branner, Director. The ants of Brazil. Bulletin of the Museum of Comparative Zoology 60:399-490. PDF
• Mayr, G. 1887. Südamerikanische Formiciden. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 37:511-632. PDF
• Santschi, F. 1931f. Contribution à l'étude des fourmis de l'Argentine. Anales de la Sociedad Cientifica Argentina 112:273-282. PDF
• Wheeler, W. M. 1942. Studies of Neotropical ant-plants and their ants. Bulletin of the Museum of Comparative Zoology 90:1-262. PDF
• Wild, A. L. 2007b. A catalogue of the ants of Paraguay (Hymenoptera: Formicidae). Zootaxa 1622:1-55. PDF