South America: coastal rivers of Guianas, Venezuela and upper Amazon River basin.
- Garavello, J.C. and H.A. Britski 2003 Anostomidae (Headstanders). p. 71-84. 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. 36801)
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