• Subspecies of Ectatomma muticum: Forel, 1911e: 286; Emery, 1911e: 43.
• Subspecies of Ectatomma edentatum: Forel, 1912d: 31; Borgmeier, 1923: 57.
• Junior synonym of Ectatomma muticum: Brown, 1958g: 208; Kempf, 1972b: 105; Almeida Filho, 1986: 26; Bolton, 1995b: 187.

Obsolete combinations

• Ectatomma muticum lobulifera

Citations

• Almeida Filho, A. J. de 1986. Descrição de quatro machos do gênero Ectatomma Smith, 1858 (Hymenoptera, Formicidae, Ponerinae). Quid (Teresina) 6:24-38. PDF
• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Borgmeier, T. 1923. Catalogo systematico e synonymico das formigas do Brasil. 1 parte. Subfam. Dorylinae, Cerapachyinae, Ponerinae, Dolichoderinae. Archivos do Museu Nacional (Rio de Janeiro) 24:33-103.
• Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bulletin of the Museum of Comparative Zoology 118:173-362. PDF
• Emery, C. 1911e. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118:1-125. PDF
• Forel, A. 1909a. Ameisen aus Guatemala usw., Paraguay und Argentinien (Hym.). Deutsche Entomologische Zeitschrift 1909:239-269. PDF
• Forel, A. 1911e. Ameisen des Herrn Prof. v. Ihering aus Brasilien (Sao Paulo usw.) nebst einigen anderen aus Südamerika und Afrika (Hym.). Deutsche Entomologische Zeitschrift 1911:285-312. PDF
• Forel, A. 1912d. Formicides néotropiques. Part I. Annales de la Société Entomologique de Belgique 56:28-49. PDF
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF