• [Note: type-locality Suriname, after De Geer, 1773: 608.].
• [Misspelled as Atta sexdentata by Latreille, 1802a: 228, Smith, 1858a: 183; frequently misspelled as 6dens in early literature.].
• Mayr, 1865: 82 (q.m.); Wheeler, 1949: 681 (l.).
• Combination in Oecodoma: Latreille, 1818a: 225; Smith, 1858a: 183; Mayr, 1863a: 438.
• Combination in Atta: Fabricius, 1804: 422; Roger, 1863b: 35; Mayr, 1865: 80.
• Combination in Atta (Neoatta): Gonçalves, 1942: 349.
• Status as species: Linnaeus, 1767: 964; De Geer, 1773: 608; Fabricius, 1775: 395; Fabricius, 1782: 493; Retzius, 1783: 76; Fabricius, 1787: 310; Gmelin, 1790: 2802; Christ, 1791: 515; Olivier, 1792: 500; Fabricius, 1793: 363; Latreille, 1802a: 228; Fabricius, 1804: 422; Latreille, 1818a: 225; Smith, 1858a: 183; Smith, 1862b: 34; Roger, 1863b: 35; Mayr, 1863a: 438; Mayr, 1865: 80, 82 (redescription); Emery, 1878a: x (in list); Mayr, 1884: 37; Emery, 1888c: 357; Emery, 1890b: 66; Cameron, 1891: 95; Dalla Torre, 1893: 154; von Jhering, 1894: 386; Forel, 1895b: 138; Emery, 1896h: 626; Forel, 1899b: 31; Forel, 1899j: 273; Forel, 1905e: 157; Wheeler, 1905c: 130; Emery, 1906c: 167; Forel, 1907h: 2; Forel, 1908a: 69; Forel, 1909a: 266; Emery, 1913c: 259; Stitz, 1913: 207; Bruch, 1914: 216; Mann, 1916: 453; Wheeler, 1916c: 11; Wheeler, 1923a: 4; Emery, 1924f: 354; Wheeler, 1925a: 36; Borgmeier, 1927c: 137; Eidmann, 1936b: 87; Borgmeier, 1939: 424; Gonçalves, 1942: 349; Weber, 1946c: 165; Gonçalves, 1947a: 185; Borgmeier, 1950d: 251; Borgmeier, 1959b: 358 (redescription); Kempf, 1972b: 27; Cherrett & Cherrett, 1989: 54; Bolton, 1995b: 77; Wild, 2007b: 31; Bezděčková et al., 2015: 115; Fernández et al., 2015: 160 (redescription); Fernández & Serna, 2019: 842.
• Senior synonym of Atta abdominalis: Mayr, 1865: 80; Dalla Torre, 1893: 154; Forel, 1899b: 32; Emery, 1924f: 355; Borgmeier, 1927c: 137; Borgmeier, 1959b: 359; Kempf, 1972b: 28; Bolton, 1995b: 77; Fernández et al., 2015: 160.
• Senior synonym of Atta sexdens autuorii: Borgmeier, 1959b: 359; Bolton, 1995b: 77; Fernández et al., 2015: 160.
• Senior synonym of Atta coptophylla: Mayr, 1865: 80; Dalla Torre, 1893: 154; Forel, 1895b: 138; Forel, 1899b: 32; Emery, 1924f: 355; Borgmeier, 1927c: 137; Borgmeier, 1959b: 359; Kempf, 1972b: 28; Bolton, 1995b: 77; Fernández et al., 2015: 160.
• Senior synonym of Atta flavicornis: Forel, 1905e: 161; Emery, 1924f: 354; Borgmeier, 1927c: 137; Borgmeier, 1959b: 359; Kempf, 1972b: 28; Bolton, 1995b: 77; Fernández et al., 2015: 160.
• Senior synonym of Atta sexdens fuscata: Borgmeier, 1959b: 359; Kempf, 1972b: 28; Bolton, 1995b: 77; Fernández et al., 2015: 160.
• Senior synonym of Atta vollenweideri lugens: Borgmeier, 1959b: 359; Bolton, 1995b: 77.
• Senior synonym of Atta vollenweideri piriventris: Borgmeier, 1959b: 359; Bolton, 1995b: 77; Fernández et al., 2015: 160.
• Senior synonym of Atta sexdens rubropilosa: Borgmeier, 1959b: 359; Bolton, 1995b: 77; Fernández et al., 2015: 160.

Junior synonyms

• Atta abdominalis (Smith, 1858)
  Obsolete combination(s): Oecodoma abdominalis
• Atta coptophylla Guérin-Méneville, 1844
• Atta flavicornis (Fabricius, 1798)
  Obsolete combination(s): Formica flavicornis
• Atta sexdens autuorii Borgmeier, 1950
• Atta sexdens fuscata Santschi, 1922
• Atta sexdens rubropilosa Forel, 1908
• Atta vollenweideri lugens Borgmeier, 1939
• Atta vollenweideri piriventris Santschi, 1919

Obsolete combinations

• Formica sexdens
• Oecodoma sexdens

Citations

• Bezděčková, K.; Bezděčka, P.; Machar, I. 2015. A checklist of the ants of Peru. Zootaxa 4020:101-133. PDF
  143590
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
  122860
• 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
  122910
• Borgmeier, T. 1939. Nova contribuição para o conhecimento das formigas neotropicas (Hym. Formicidae). Revista de Entomologia (Rio de Janeiro) 10:403-428. PDF
  122900
• Borgmeier, T. 1950d. Estudos sôbre Atta (Hym. Formicidae). Memórias do Instituto Oswaldo Cruz. Rio de Janeiro 48:239-263. PDF
  122928
• Borgmeier, T. 1959b. Revision der Gattung Atta Fabricius (Hymenoptera, Formicidae). Studia Entomologica (n.s.)2:321-390. PDF
  122940
• Bruch, C. 1914. Catálogo sistemático de los formícidos argentinos. Revista del Museo de La Plata 19:211-234. PDF
  123267
• Cameron, P. 1891. Appendix. Hym. Formicidae. Pp. 89-95 in: Whymper, E. 1891. Travels amongst the Great Andes. London: J. Murray, xxii + 147 pp.
  123503
• Cherrett, J. M.; Cherrett, F. J. 1989. A bibliography of the leaf-cutting ants, Atta spp. and Acromyrmex spp., up to 1975. Overseas Development Natural Resources Institute Bulletin 14:1-58. PDF
  123598
• Christ, J. L. 1791. Naturgeschichte, Klassification und Nomenclatur der Insekten vom Bienen, Wespen und Ameisengeschlecht. Frankfurt: Hermann, 535 pp. PDF
  123624
• Dalla Torre, K. W. 1893. Catalogus Hymenopterorum hucusque descriptorum systematicus et synonymicus. Vol. 7. Formicidae (Heterogyna). Leipzig: W. Engelmann, 289 pp. PDF
  124002
• De Geer, C. 1773. Mémoires pour servir à l'histoire des insectes. Tome troisième. Stockholm: Pierre Hesselberg, 696 pp. PDF
  124032
• Eidmann, H. 1936b. Ökologisch-faunistische Studien an südbrasilianischen Ameisen. [concl.]. Arbeiten über Physiologische und Angewandte Entomologie aus Berlin-Dahlem 3:81-114. PDF
  124475
• Emery, C. 1878a. Liste des fourmis de la collection de feu Camille van Volxem, avec la description d'une espèce nouvelle. Annales de la Société Entomologique de Belgique 21:viii-x. PDF
  124520
• Emery, C. 1888c ("1887"). Formiche della provincia di Rio Grande do Sûl nel Brasile, raccolte dal dott. Hermann von Ihering. Bullettino della Società Entomologica Italiana 19:352-366. PDF
  124542
• Emery, C. 1890b. Voyage de M. E. Simon au Venezuela (Décembre 1887 - Avril 1888). Formicides. Annales de la Société Entomologique de France (6)10:55-76. PDF
  124550
• 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
  124612
• Emery, C. 1906c ("1905"). Studi sulle formiche della fauna neotropica. XXVI. Bullettino della Società Entomologica Italiana 37:107-194. PDF
  124672
• Emery, C. 1913c. Études sur les Myrmicinae. [V-VII.]. Annales de la Société Entomologique de Belgique 57:250-262. PDF
  124713
• Emery, C. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
  124769
• Fabricius, J. C. 1775. Systema entomologiae, sistens insectorum classes, ordines, genera, species adiectis synonymis, locis, descriptionibus, observationibus. Flensburgi et Lipsiae [= Flensburg and Leipzig]: Korte, 832 pp. PDF
  124865
• Fabricius, J. C. 1782 ("1781"). Species insectorum exhibentes eorum differentias specificas, synonyma, auctorum loca natalia, metamorphosin adiectis observationibus, descriptionibus. Tome I. Hamburgi et Kilonii [= Hamburg and Kiel]: C. E. Bohn, 552 pp.
  124871
• Fabricius, J. C. 1787. Mantissa insectorum sistens eorum species nuper detectas adiectis characteribus, genericis, differentiis, specificis, emendationibus, observationibus. Tome I. Hafniae [= Copenhagen]: C. G. Proft, 348 pp. PDF
  124867
• Fabricius, J. C. 1793. Entomologia systematica emendata et aucta. Secundum classes, ordines, genera, species, adjectis synonimis, locis observationibus, descriptionibus. Tome 2. Hafniae [= Copenhagen]: C. G. Proft, 519 pp. PDF
  124868
• Fabricius, J. C. 1804. Systema Piezatorum secundum ordines, genera, species, adjectis synonymis, locis, observationibus, descriptionibus. Brunswick: C. Reichard, xiv + 15-439 + 30 pp. PDF
  124870
• Fernández, F.; Castro-Huertas, V.; Serna, F. 2015. Hormigas cortadoras de hojas de Colombia: Acromyrmex & Atta (Hymenoptera: Formicidae). Fauna de Colombia, Monografía No.5. Bogotá D.C., Colombia: Instituto de Ciencias Naturales, Universidad Nacional de Colombia, 350 pp. PDF
  142730
• Fernández, F.; Serna, F. J. 2019. Subfamilia Myrmicinae. Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF
  143453
• Forel, A. 1895b. A fauna das formigas do Brazil. Boletim do Museu Paraense de Historia Natural e Ethnographia 1:89-139. PDF
  125065
• Forel, A. 1899b. Formicidae. [part]. Biologia Centrali-Americana Hym. 3:1-24. PDF
  125089
• Forel, A. 1899j. Von Ihrer Königl. Hoheit der Prinzessin Therese von Bayern auf einer Reise in Südamerika gesammelte Insekten. I. Hymenopteren. a. Fourmis. Berliner Entomologische Zeitschrift 44:273-277.
  125093
• Forel, A. 1905e. Miscellanea myrmécologiques II (1905). Annales de la Société Entomologique de Belgique 49:155-185. PDF
  125162
• 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
  125175
• Forel, A. 1908a. Catálogo systemático da collecção de formigas do Ceará. Boletim do Museu Rocha 1(1):62-69. PDF
  125179
• Forel, A. 1909a. Ameisen aus Guatemala usw., Paraguay und Argentinien (Hym.). Deutsche Entomologische Zeitschrift 1909:239-269. PDF
  125189
• Gmelin, J. F. 1790. Caroli a Linné, systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Editio decima tertia, aucta, reformata. Tomus I. Pars V. Lipsiae [= Leipzig]: G. E. Beer, pp. 2225-3020. PDF
  125505
• Gonçalves, C. R. 1942. Contribuição para o conhecimento do gênero Atta Fabr., das formigas saúvas. Boletim da Sociedade Brasileira de Agronomia 5:333-358. PDF
  125532
• Gonçalves, C. R. 1947a ("1945"). Saúvas do sul e centro do Brasil. Boletim Fitossanitário 2:183-218. PDF
  125541
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
  126357
• 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
  126800
• Latreille, P. A. 1818a. Oecodome. P. 50 in: Société de Naturalistes et d'Agriculteurs 1818. Nouveau dictionnaire d'histoire naturelle. Nouvelle édition. Tome XXIII. Paris: Déterville, 612 pp. PDF
  126808
• Linnaeus, C. 1758. Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata. Holmiae [= Stockholm]: L. Salvii, 824 pp. PDF
  126902
• Linnaeus, C. 1767. Systema naturae, per regna tria naturae, secundum classes, ordines, genera, species, cum caracteribus, differentiis, synonymis, locis. Tomus I. Pars 2. Editio duodecima, reformata. Holmiae [= Stockholm]: L. Salvii, pp. 533-1327. PDF
  126907
• 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
  127070
• Mayr, G. 1863a. Formicidarum index synonymicus. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 13:385-460. PDF
  127213
• Mayr, G. 1865. Formicidae. In: Novara Expedition 1865. Reise der Österreichischen Fregatte "Novara" um die Erde in den Jahren 1857, 1858, 1859. Zoologischer Theil. Bd. II. Abt. 1. Wien: K. Gerold's Sohn, 119 pp. PDF
  127193
• Mayr, G. 1884. [Untitled. Descriptions of eight new species.]. Pp. 31-38 in: Radoszkowsky, O. 1884. Fourmis de Cayenne Française. Trudy Russkago Entomologicheskago Obshchestva 18:30-39. PDF
  127200
• Olivier, A. G. 1792. Encyclopédie méthodique. Histoire naturelle. Insectes. Tome 6. (pt. 2). Paris: Panckoucke, pp. 369-704.
  127622
• Retzius, A. J. 1783. Caroli de Geer. Genera et species insectorum e generosissimi auctoris scriptis extraxit, digessit, Latine quoad partem reddidit, et terminologiam insectorum Linneanam addidit. Lipsiae [= Leipzig]: Cruse, 220 pp. PDF
  128038
• Roger, J. 1863b. Verzeichniss der Formiciden-Gattungen und Arten. Berliner Entomologische Zeitschrift 7(Beilage):1-65. PDF
  128094
• Smith, F. 1858a. Catalogue of hymenopterous insects in the collection of the British Museum. Part VI. Formicidae. London: British Museum, 216 pp. PDF
  128685
• Smith, F. 1862b. Descriptions of new species of aculeate Hymenoptera, collected at Panama by R. W. Stretch, Esq., with a list of described species, and the various localities where they have previously occurred. Transactions of the Entomological Society of London (3)1:29-44. PDF
  128696
• Stitz, H. 1913. Ameisen aus Brasilien, gesammelt von Ule. (Hym.). Deutsche Entomologische Zeitschrift 1913:207-212. PDF
  129023
• von Jhering, H. 1894. Die ameisen von Rio Grande do Sul. Berliner Entomologische Zeitschrift 39:321-447. PDF
  124580
• Weber, N. A. 1946c. The biology of the fungus-growing ants. Part IX. The British Guiana species. Revista de Entomologia (Rio de Janeiro) 17:114-172. PDF
  129734
• Wheeler, G. C. 1949 ("1948"). The larvae of the fungus-growing ants. American Midland Naturalist 40:664-689. PDF
  129841
• Wheeler, W. M. 1905c. The ants of the Bahamas, with a list of the known West Indian species. Bulletin of the American Museum of Natural History 21:79-135. PDF
  129996
• Wheeler, W. M. 1916c. Ants collected in British Guiana by the expedition of the American Museum of Natural History during 1911. Bulletin of the American Museum of Natural History 35:1-14. PDF
  130099
• Wheeler, W. M. 1923a. Wissenschaftliche Ergebnisse der schwedischen entomologischen Reise des Herrn Dr. A. Roman in Amazonas 1914-1915. 7. Formicidae. Arkiv för Zoologi 15(7):1-6. PDF
  130163
• Wheeler, W. M. 1925a. Neotropical ants in the collections of the Royal Museum of Stockholm. Arkiv för Zoologi 17A(8):1-55.
  130175
• Wild, A. L. 2007B. A catalogue of the ants of Paraguay (Hymenoptera: Formicidae). Zootaxa 1622:1-55. PDF
  132622