• Wheeler & Wheeler, 1955b: 25 (l.)
• Combination in Leptothorax (Goniothorax): Emery, 1896g: 59 (in key); Emery, 1924f: 250.
• Combination in Leptothorax (Caulomyrma): Forel, 1914d: 233.
• Combination in Leptothorax (Nesomyrmex): Smith, 1950a: 30; Kempf, 1959d: 425.
• Combination in Nesomyrmex: Bolton, 2003: 272.
• Status as species: Dalla Torre, 1893: 124; Forel, 1895b: 126; Emery, 1896g: 59 (in key); Forel, 1899b: 55; Wheeler, 1903d: 222; Mann, 1916: 448; Emery, 1924f: 250; Borgmeier, 1927c: 109; Wheeler, 1942: 205; Kusnezov, 1953c: 338; Kusnezov, 1958c: 267; Kempf, 1959d: 425 (redescription); Kempf, 1961b: 508; Kempf, 1972b: 133; Bolton, 1995b: 238; Bolton, 2003: 272; Wild, 2007b: 34; Branstetter & Sáenz, 2012: 258; Bezděčková et al., 2015: 118; Fernández & Serna, 2019: 825; Arredondo & Guerrero, 2025: 148.
• Senior synonym of Nesomyrmex echinatinodis aculeatinodis: Kempf, 1959d: 425; Kempf, 1972b: 133; Bolton, 1995b: 238; Arredondo & Guerrero, 2025: 148.
• Senior synonym of Nesomyrmex echinatinodis cordincola: Kempf, 1959d: 426; Kempf, 1972b: 133; Bolton, 1995b: 238; Arredondo & Guerrero, 2025: 148.
• Senior synonym of Nesomyrmex echinatinodis dalmasi: Kempf, 1959d: 425; Kempf, 1972b: 133; Bolton, 1995b: 238; Arredondo & Guerrero, 2025: 148.
• Senior synonym of Nesomyrmex echinatinodis pungentinodis: Kempf, 1959d: 425; Kempf, 1972b: 133; Bolton, 1995b: 238; Arredondo & Guerrero, 2025: 148.
• Senior synonym of Nesomyrmex echinatinodis schmidti: Kempf, 1959d: 426; Kempf, 1972b: 133; Bolton, 1995b: 238; Arredondo & Guerrero, 2025: 148.

Junior synonyms

• Nesomyrmex echinatinodis aculeatinodis (Emery, 1896)
  Obsolete combination(s): Nesomyrmex aculeatinodis, Leptothorax aculeatinodis, Leptothorax echinatinodis aculeatinodis
• Nesomyrmex echinatinodis cordincola (Wheeler, 1942)
  Obsolete combination(s): Leptothorax echinatinodis cordincola
• Nesomyrmex echinatinodis dalmasi (Forel, 1899)
  Obsolete combination(s): Leptothorax echinatinodis dalmasi
• Nesomyrmex echinatinodis pungentinodis (Emery, 1896)
  Obsolete combination(s): Nesomyrmex pungentinodis, Leptothorax pungentinodis
• Nesomyrmex echinatinodis schmidti (Menozzi, 1927)
  Obsolete combination(s): Leptothorax echinatinodis schmidti

Obsolete combinations

• Leptothorax echinatinodis

Citations

• Arredondo, B. S.; Guerrero, R. J. 2025. The ant genus Nesomyrmex Wheeler (Formicidae, Myrmicinae) from the threatened Colombian tropical dry forest: three new species, a new synonymy, and new distributional data. ZooKeys 1232:131–172. [online early] 10.3897/zookeys.1232.141693 PDF
• Bezděčková, K.; Bezděčka, P.; Machar, I. 2015. A checklist of the ants of Peru. Zootaxa 4020:101-133. PDF
• 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
• Branstetter, M. G.; Sáenz, L. 2012. Las hormigas (Hymenoptera: Formicidae) de Guatemala. Pp. 221-268 in: Cano, E. B.; Schuster, J. C. (eds.) 2012. Biodiversidad de Guatemala. Volumen 2. Guatemala: Universidad del Valle de Guatemala, iv + 328 pp. 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. 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. 1886b. Espèces nouvelles de fourmis américaines. Annales de la Société Entomologique de Belgique 30:xxxviii-xlix. 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. 1914d. Formicides d'Afrique et d'Amérique nouveaux ou peu connus. Bulletin de la Société Vaudoise des Sciences Naturelles 50:211-288. 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. 1961b. A survey of the ants of the soil fauna in Surinam (Hymenoptera: Formicidae). Studia Entomologica 4:481-524. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Kusnezov, N. 1953c. Lista de las hormigas de Tucumán con descripción de dos nuevos géneros (Hymenoptera, Formicidae). Acta Zoologica Lilloana 13:327-339. 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
• Smith, M. R. 1950a. On the status of Leptothorax Mayr and some of its subgenera. Psyche (Cambridge) 57:29-30. PDF
• Wheeler, G. C.; Wheeler, J. 1955b. The ant larvae of the myrmicine tribe Leptothoracini. Annals of the Entomological Society of America 48:17-29. PDF
• Wheeler, W. M. 1903d. A revision of the North American ants of the genus Leptothorax Mayr. Proceedings of the Academy of Natural Sciences of Philadelphia 55:215-260. 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