• De Andrade & Baroni Urbani, 1999: 149 (s.q.m.).
• Combination in Eucryptocerus: Kempf, 1951: 131.
• Combination in Cephalotes: De Andrade & Baroni Urbani, 1999: 147.
• Junior synonym of Cephalotes placidus: Kempf, 1959a: 92; Kempf, 1972b: 107; Bolton, 1995b: 189.
• Status as species: Kempf, 1951: 131; De Andrade & Baroni Urbani, 1999: 147 (redescription); Bezděčková et al., 2015: 116; Sandoval-Gómez & Sánchez-Restrepo, 2019: 912; Oliveira et al., 2021: 19 (in list).
• Senior synonym of Cephalotes abdominalis: De Andrade & Baroni Urbani, 1999: 147; Oliveira et al., 2021: 19 (in list).

Junior synonyms

• Cephalotes abdominalis Santschi, 1929

Citations

• Bezděčková, K.; Bezděčka, P.; Machar, I. 2015. A checklist of the ants of Peru. Zootaxa 4020:101-133. PDF
• 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
• 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. 1959a. Sôbre algumas formigas Cephalotini do Museu de Oxford (Hymenoptera, Formicidae). Revista Brasileira de Biologia 19:91-98. PDF
• 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
• Sandoval-Gómez, V. E.; Sánchez-Restrepo, A. F. 2019. Género Cephalotes. Capítulo 29. Pp. 899-915 in: Fernández, F.; Guerrero, R. J.; Delsinne, T. (eds.) 2019d. Hormigas de Colombia. Bogotá: Universidad Nacional de Colombia, 1198 pp. PDF
• Santschi, F. 1920f. Nouvelles fourmis du genre Cephalotes Latr. Bulletin de la Société Entomologique de France 1920:147-149. PDF