Burgess, W. E. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes (en anglès). T.F.H. Publications, Inc., 1989. ISBN 9780866228916.
Burgess, W.E. 1992. Colored atlas of miniature catfish. Every species of Corydoras, Brochis and Aspidoras. T.F.H. Publications, Inc., Estats Units. 224 p.
Nijssen, H. & I. J. H. Isbrücker. 1976. A new callichthyid catfish, Corydoras gracilis, from Brazil. Trop. Fish Hobby. v. 25 (núm. 1): 90-98.
Reis, R.E. 2003. Callichthyidae (Armored catfishes). p. 291-309. A R.E. Reis, S.O. Kullander i C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.