• Declared as unavailable (infrasubspecific) name: Bolton, 1995b: 427.
• Material referred to Cephalotes pusillus by Kempf, 1951: 177; Kempf, 1958a: 14; Kempf, 1972b: 180; Brandão, 1991: 388.

Obsolete combinations

• Cryptocerus pusillus brevispinosa rufescens

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
• 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
• Santschi, F. 1921h. Quelques nouveaux Cryptocerus de l'Argentine et pays voisins. Anales de la Sociedad Cientifica Argentina 92:124-128. PDF