• Combination in Eciton (Labidus): Emery, 1890c: 39; Santschi, 1920d: 364; Creighton, 1950a: 64.
• Combination in Eciton (Holopone): Santschi, 1925b: 11.
• Combination in Eciton (Nomamyrmex): Borgmeier, 1936b: 56.
• Combination in Nomamyrmex: Borgmeier, 1953: 17.
• Status as species: Smith, 1859c: 7; Roger, 1863b: 41; Mayr, 1863a: 424; Emery, 1890c: 39; Dalla Torre, 1893: 2; Emery, 1894l: 46; Forel, 1895b: 119; Forel, 1899b: 25; Emery, 1900e: 177 (in key); Forel, 1901m: 47; Wheeler, 1908h: 409 (redescription); Emery, 1910b: 23; Wheeler, 1910a: 562; Forel, 1911e: 288; Mann, 1916: 422; Santschi, 1920d: 364; Borgmeier, 1923: 43; Borgmeier, 1936b: 56; Creighton, 1950a: 64; Smith, 1951c: 779; Borgmeier, 1953: 14; Borgmeier, 1955: 139 (redescription); Borgmeier, 1958a: 201; Kempf, 1970b: 322; Kempf, 1972b: 164; Kempf & Lenko, 1976: 46; Watkins, 1976: 7 (in key); Watkins, 1977a: 204; Watkins, 1982: 215 (in key); Bolton, 1995b: 292; Palacio, 1999: 161 (in key); Wild, 2007b: 26, 43; Branstetter & Sáenz, 2012: 254; Guénard & Economo, 2015: 226; Shattuck & Cover, 2016: 19; Palacio, 2019: 626.
• Senior synonym of Nomamyrmex afflictus: Borgmeier, 1955: 139; Kempf, 1972b: 164; Bolton, 1995b: 292.
• Senior synonym of Nomamyrmex crassicornis: Wild, 2007b: 43.
• Senior synonym of Nomamyrmex crassicornis crudele: Borgmeier, 1955: 139; Kempf, 1972b: 164; Bolton, 1995b: 292.
• Senior synonym of Nomamyrmex fimbriatum: Borgmeier, 1953: 14; Borgmeier, 1955: 139; Kempf, 1972b: 164; Bolton, 1995b: 292.
• Senior synonym of Nomamyrmex esenbeckii hirsutipodex: Wild, 2007b: 43 (by implication).
• Senior synonym of Nomamyrmex crassicornis indomabile: Borgmeier, 1955: 139; Kempf, 1972b: 164; Bolton, 1995b: 292.
• Senior synonym of Nomamyrmex fimbriatum interrupta: Borgmeier, 1953: 14; Borgmeier, 1955: 139; Kempf, 1972b: 164; Bolton, 1995b: 292.
• Senior synonym of Nomamyrmex crassicornis intrepidum: Wild, 2007b: 43 (by implication).
• Senior synonym of Nomamyrmex esenbeckii mordax: Shattuck & Cover, 2016: 19.
• Senior synonym of Nomamyrmex fimbriatum terrificum: Borgmeier, 1953: 14; Borgmeier, 1955: 139; Kempf, 1972b: 164; Bolton, 1995b: 292.
• Senior synonym of Nomamyrmex esenbeckii wilsoni: Smith, 1951c: 779; Shattuck & Cover, 2016: 19.

Junior synonyms

• Nomamyrmex afflictus (Gallardo, 1919)
  Obsolete combination(s): Acanthostichus afflictus
• Nomamyrmex crassicornis (Smith, 1855)
  Obsolete combination(s): Eciton crassicornis
• Nomamyrmex crassicornis crudele (Santschi, 1929)
  Obsolete combination(s): Eciton crassicornis crudele
• Nomamyrmex crassicornis indomabile (Santschi, 1930)
  Obsolete combination(s): Eciton crassicornis indomabile
• Nomamyrmex crassicornis intrepidum (Santschi, 1929)
  Obsolete combination(s): Eciton crassicornis intrepidum
• Nomamyrmex esenbeckii hirsutipodex (Santschi, 1920)
  Obsolete combination(s): Eciton esenbecki hirsutipodex
• Nomamyrmex esenbeckii mordax (Santschi, 1929)
  Obsolete combination(s): Eciton crassicornis mordax
• Nomamyrmex esenbeckii wilsoni (Santschi, 1920)
  Obsolete combination(s): Eciton esenbecki wilsoni
• Nomamyrmex fimbriatum (Santschi, 1920)
  Obsolete combination(s): Eciton fimbriatum
• Nomamyrmex fimbriatum interrupta (Santschi, 1923)
  Obsolete combination(s): Eciton fimbriatum interrupta
• Nomamyrmex fimbriatum terrificum (Santschi, 1930)
  Obsolete combination(s): Eciton fimbriatum terrificum

Obsolete combinations

• Eciton esenbeckii
• Labidus esenbeckii

Citations

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