• Forel, 1893h: 590 (s.q.m.); Wheeler, 1949: 674 (l.); Wheeler & Wheeler, 1986d: 496 (l.).
• Combination in Atta: Emery, 1892c: 163.
• Combination in Atta (Acromyrmex): Forel, 1893h: 590.
• Combination in Acromyrmex: Mann, 1916: 454.
• Status as species: Forel, 1893h: 590 (redescription); André, 1893b: 152; Dalla Torre, 1893: 153; Emery, 1894d: 220; Forel, 1895b: 139; Forel, 1899b: 34; Forel, 1905e: 157; Emery, 1905f: 44; Wheeler, 1905c: 130; Forel, 1907h: 2; Forel, 1908c: 42; Forel, 1908a: 69; Forel, 1912f: 181; Wheeler, 1913b: 495; Santschi, 1913h: 41; Mann, 1916: 454; Wheeler, 1916f: 326; Crawley, 1916b: 373; Wheeler, 1922e: 13; Emery, 1924f: 350; Santschi, 1925a: 391 (in key); Borgmeier, 1927c: 134; Wheeler, 1933a: 63; Wheeler, 1937c: 15, 69; Santschi, 1939e: 319 (in key); Santschi, 1939f: 166; Weber, 1941b: 125; Weber, 1945: 62; Weber, 1946c: 154; Brown, 1957e: 236; Gonçalves, 1961: 157; Kempf, 1972b: 14; Alayo, 1974: 42; Cherrett & Cherrett, 1989: 51; Bolton, 1995b: 56; Branstetter & Sáenz, 2012: 257; Fernández et al., 2015: 70 (redescription); Fernández & Serna, 2019: 834.
• Senior synonym of Acromyrmex guentheri: Emery, 1894d: 220; Forel, 1899b: 34; Santschi, 1913h: 41; Emery, 1924f: 350; Borgmeier, 1927c: 134; Gonçalves, 1961: 157; Kempf, 1972b: 14; Bolton, 1995b: 56; Fernández et al., 2015: 71.
• Senior synonym of Acromyrmex octospinosus pallida: Wheeler, 1937c: 70; Gonçalves, 1961: 157; Kempf, 1972b: 14; Bolton, 1995b: 56; Fernández et al., 2015: 71.

Junior synonyms

• Acromyrmex guentheri (Forel, 1893)
  Obsolete combination(s): Atta guentheri
• Acromyrmex octospinosus pallida Crawley, 1921

Obsolete combinations

• Atta octospinosa
• Formica octospinosa

Citations

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• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
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