Silva, J. P. C. da, & Carvalho, M. R. de. (2011). A new species of Neotropical freshwater stingray of the genus Potamotrygon Garman, 1877 from the Río Madrede Díos, Peru (Chondrichthyes: Potamotrygonidae) . Papéis Avulsos De Zoologia, 51(8), 139-154. https://doi.org/10.1590/S0031-10492011000800001