• Combination in Ponera: Lepeletier de Saint-Fargeau, 1835: 196.
• Combination in Gnamptogenys: Mayr, 1866b: 892 (in text).
• Combination in Ectatomma (Gnamptogenys): Emery, 1893m: 25.
• Subspecies of Gnamptogenys mordax: Emery, 1896g: 50
• Status as species: Lepeletier de Saint-Fargeau, 1835: 196; Roger, 1861a: 18; Roger, 1861b: 170; Mayr, 1863a: 449; Dalla Torre, 1893: 25; Emery, 1911e: 45.
• Nomen oblitum, junior synonym of Gnamptogenys mordax: Brown, 1958g: 228; Kempf, 1972b: 113; Bolton, 1995b: 210; Lattke, 1995: 176.
• [Note: Brown, 1958g: 320, regards Gnamptogenys nodosa as nomen oblitum as it has “not been used except in catalogs”, whereas Gnamptogenys mordax “has been used for this common ant for nearly a century.”]

Obsolete combinations

• Formica nodosa

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bulletin of the Museum of Comparative Zoology 118:173-362. 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. 1893m. [Untitled. Taxonomic changes in various genera attributed to Emery.]. Pp. 4-266 in: 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. 1911e. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118:1-125. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Latreille, P. A. 1802a. Histoire naturelle des fourmis, et recueil de mémoires et d'observations sur les abeilles, les araignées, les faucheurs, et autres insectes. Paris: Impr. Crapelet (chez T. Barrois), xvi + 445 pp. PDF
• Lattke, J. E. 1995. Revision of the ant genus Gnamptogenys in the New World (Hymenoptera: Formicidae). Journal of Hymenoptera Research 4:137-193. PDF
• Lepeletier de Saint-Fargeau, A. 1835 ("1836"). Histoire naturelle des insectes. Hyménoptères. Tome I. Paris: Roret, 547 pp. PDF
• Mayr, G. 1863a. Formicidarum index synonymicus. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 13:385-460. PDF
• Mayr, G. 1866b. Diagnosen neuer und wenig gekannter Formiciden. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 16:885-908. PDF
• Roger, J. 1861a. Die Ponera-artigen Ameisen (Schluss). Berliner Entomologische Zeitschrift 5:1-54. PDF
• Roger, J. 1861b. Myrmicologische Nachlese. Berliner Entomologische Zeitschrift 5:163-174. PDF