• Combination in Cryptocerus (Paracryptocerus): Emery, 1924f: 307
• Combination in Hypocryptocerus: Wheeler, 1936c: 203.
• Subspecies of Cephalotes haemorrhoidalis: Emery, 1924f: 307; Wheeler, 1936c: 203.
• Junior synonym of Cephalotes unimaculatus: Kempf, 1951: 151; Kempf, 1972b: 121; Brandão, 1991: 384; Bolton, 1995b: 427; De Andrade & Baroni Urbani, 1999: 100.

Obsolete combinations

• Cryptocerus hamulus steinheili

Citations

• Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp.
• Brandão, C. R. F. 1991. Adendos ao catálogo abreviado das formigas da região Neotropical (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 35:319-412. PDF
• 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. 1924f ("1922"). Hymenoptera. Fam. Formicidae. Subfam. Myrmicinae. [concl.]. Genera Insectorum 174C:207-397. PDF
• 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. 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. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF
• Wheeler, W. M. 1936c. Ants from Hispaniola and Mona Island. Bulletin of the Museum of Comparative Zoology 80:195-211. PDF