• As unavailable (infrasubspecific) name: Santschi, 1920f: 149 (in key).
• Junior synonym of Cephalotes atratus: Kempf, 1951: 115; Kempf, 1958a: 10; Kempf, 1972b: 75; Bolton, 1995b: 141; De Andrade & Baroni Urbani, 1999: 111; Oliveira et al., 2021: 19 (in list).

Obsolete combinations

• Cryptocerus atratus rufiventris

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• De Andrade, M. L.; Baroni Urbani, C. 1999. Diversity and adaptation in the ant genus Cephalotes, past and present. Stuttgarter Beiträge zur Naturkunde. Serie B (Geologie und Paläontologie) 271:1-889. PDF
• Emery, C. 1894f. Viaggio del dottor Alfredo Borelli nella Repubblica Argentina e nel Paraguay. VIII. Formiche. Bollettino dei Musei di Zoologia ed Anatomia Comparata della Reale Università di Torino 9(186):1-4. PDF
• Kempf, W. W. 1951. A taxonomic study on the ant tribe Cephalotini (Hymenoptera: Formicidae). Revista de Entomologia (Rio de Janeiro) 22:1-244. PDF
• Kempf, W. W. 1958a. New studies of the ant tribe Cephalotini (Hym. Formicidae). Studia Entomologica (n.s.)1:1-168.
• Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Oliveira, A. M.; Powell, S.; Feitosa, R. M. 2021. A taxonomic study of the Brazilian turtle ants (Formicidae: Myrmicinae: Cephalotes). Revista Brasileira de Entomologia 65 (3):52 pp. e20210028. [online early] 10.1590/1806-9665-RBENT-2021-0028 PDF
• Santschi, F. 1920f. Nouvelles fourmis du genre Cephalotes Latr. Bulletin de la Société Entomologique de France 1920:147-149. PDF