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Roberts, T.R. 2020. The first two species of South American freshwater stingrays of the genus Potamotrygon, reported from the Orinoco Basin of Colombia by François Roulin in 1829. aqua Int. J. Ichthyol. 26 (3-4), 30 Nov (1 Dec) 2020: 92-112. ≡

New: Original name