• [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

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