• Combination in Cyphomyrmex (Trachymyrmex): Emery, 1924f: 345.
• Combination in Trachymyrmex: Creighton, 1950a: 324
• Subspecies of Trachymyrmex septentrionalis: Wheeler, 1910a: 568; Wheeler, 1911i: 246 (redescription); Forel, 1912f: 182; Emery, 1924f: 346; Dennis, 1938: 292; Creighton, 1950a: 324; Smith, 1951c: 831; Smith, 1958c: 137.
• Junior synonym of Trachymyrmex septentrionalis: Weber, 1958b: 52; Smith, 1967a: 363; Smith, 1979: 1411; Bolton, 1995b: 421; Coovert, 2005: 101; Rabeling et al., 2007: 17.

Obsolete combinations

• Atta septentrionalis obscurior

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Coovert, G. A. 2005. The ants of Ohio. Bulletin of the Ohio Biological Survey (New Series) 15 (2):1-196. PDF
• Creighton, W. S. 1950a. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585. PDF
• Dennis, C. A. 1938. The distribution of ant species in Tennessee with reference to ecological factors. Annals of the Entomological Society of America 31:267-308. PDF
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• Forel, A. 1912f. Formicides néotropiques. Part II. 3me sous-famille Myrmicinae Lep. (Attini, Dacetii, Cryptocerini). Mémoires de la Société Entomologique de Belgique 19:179-209. PDF
• Rabeling, C.; Cover, S. P.; Johnson, R. A.; Mueller, U. G. 2007. A review of the North American species of the fungus-gardening ant genus Trachymyrmex (Hymenoptera: Formicidae). Zootaxa 1664:1-53. PDF
• Smith, D. R. 1979. Superfamily Formicoidea. Pp. 1323-1467 in: Krombein, K. V.; Hurd, P. D.; Smith, D. R.; Burks, B. D. (eds.) 1979. Catalog of Hymenoptera in America north of Mexico. Volume 2. Apocrita (Aculeata). Washington, D.C.: Smithsonian Institution Press, pp. i-xvi, 1199-2209.
• Smith, M. R. 1951c. Family Formicidae. Pp. 778-875 in: Muesebeck, C. F. W.; Krombein, K. V.; Townes, H. K. (eds.) 1951. Hymenoptera of America north of Mexico. Synoptic catalogue. United States Department of Agriculture. Agriculture Monograph 2:1-1420. PDF
• Smith, M. R. 1958c. Family Formicidae. Pp. 108-162 in: Krombein, K. V. (ed.) 1958. Hymenoptera of America north of Mexico. Synoptic catalogue. First supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 1):1-305. PDF
• Smith, M. R. 1967a. Family Formicidae. Pp. 343-374 in: Krombein, K. V.; Burks, B. D. (eds.) 1967. Hymenoptera of America north of Mexico. Synoptic catalog. Second supplement. United States Department of Agriculture. Agriculture Monograph 2(suppl. 2):1-584. PDF
• Weber, N. A. 1958b. Nomenclatural changes in Trachymyrmex (Hym.: Formicidae). Entomological News 69:49-55. PDF
• Wheeler, W. M. 1907d. The fungus-growing ants of North America. Bulletin of the American Museum of Natural History 23:669-807. PDF
• Wheeler, W. M. 1910a. Ants: their structure, development and behavior. New York: Columbia University Press, xxv + 663 pp. PDF
• Wheeler, W. M. 1911i. Descriptions of some new fungus-growing ants from Texas, with Mr. C. G. Hartman's observations on their habits. Journal of the New York Entomological Society 19:245-255. PDF