Atta sexdens valid Suriname. Neotropic.
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.   126902

Atta sexdens autuorii synonym of Atta sexdens Brazil (São Paulo). Neotropic.
Borgmeier, T. 1950d. Estudos sôbre Atta (Hym. Formicidae). Memórias do Instituto Oswaldo Cruz. Rio de Janeiro 48:239-263.   122928

Atta sexdens bisphaerica obsolete combination Brazil (São Paulo). Neotropic.
Forel, A. 1908. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 58:340-418.   124686

Atta sexdens bolchevista synonym of Atta laevigata Paraguay. Neotropic.
Gonçalves, C. R. 1942. Contribuição para o conhecimento do gênero Atta Fabr., das formigas saúvas. Boletim da Sociedade Brasileira de Agronomia 5:333-358.   125532

Atta sexdens fuscata synonym of Atta sexdens Bolivia. Neotropic.
Santschi, F. 1922c. Myrmicines, dolichodérines et autres formicides néotropiques. Bulletin de la Société Vaudoise des Sciences Naturelles 54:345-378.   128339

Atta sexdens piriventris synonym of Atta sexdens Argentina (Chaco, Misiones). Neotropic.
Santschi, F. 1919f. Nouveaux formicides de la République Argentine. Anales de la Sociedad Cientifica Argentina 87:37-57.   128314

Atta sexdens robusta obsolete combination Brazil (Rio de Janeiro). Neotropic.
Borgmeier, T. 1939. Nova contribuição para o conhecimento das formigas neotropicas (Hym. Formicidae). Revista de Entomologia (Rio de Janeiro) 10:403-428.   122900

Atta sexdens rubropilosa synonym of Atta sexdens Brazil (São Paulo). Neotropic.
Forel, A. 1908. Ameisen aus Sao Paulo (Brasilien), Paraguay etc. gesammelt von Prof. Herm. v. Ihering, Dr. Lutz, Dr. Fiebrig, etc. Verhandlungen der Kaiserlich-Königlichen Zoologisch-Botanischen Gesellschaft in Wien 58:340-418.   124686

Atta sexdens rubropilosa bolchevista unavailable Paraguay. Neotropic.
Forel, A. 1921a ("1920"). Fourmis trouvées dans des galles de Cordia et d'Agonandra, etc. Bulletin de la Société Botanique de Genève (2)12:201-208.   125265

Atta sexdens tristis synonym of Atta vollenweideri Argentina (Santa Fe, Chaco, Formosa). Neotropic.
Santschi, F. 1919f. Nouveaux formicides de la République Argentine. Anales de la Sociedad Cientifica Argentina 87:37-57.   128314

Atta sexdens vollenweideri obsolete combination Argentina. Neotropic.
Forel, A. 1893h. Note sur les Attini. Annales de la Société Entomologique de Belgique 37:586-607.   125055