South America: Río Napo in Ecuador and Ríos Putumayo and Orteguaza in the upper Amazon basin in Colombia.
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Román-Valencia, C. 2003 Description of new species of Bryconamericus (Teleostei: Characidae) from the Amazon. Boll. Mus. Reg. Sci. Nat. Torino 20(2):477-486. (Ref. 56110)
http://www.fishbase.org/references/FBRefSummary.php?id=56110&speccode=62345
