South America: Amazon, Essequibo, Orinoco, and Tocantins River basins.
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Moreira, C. 2003 Characidae - Iguanodectinae (Characins, tetras). p. 172-181. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 38383)
http://www.fishbase.org/references/FBRefSummary.php?id=38383&speccode=26466
