de Carvalho, M.R. & Lovejoy, N.R. (2011) Morphology and phylogenetic relationships of a remarkable new genus and two new species of Neotropical freshwater stingrays from the Amazon basin (Chondrichthyes: Potamotrygonidae). Zootaxa, 2776 (1), 13–48.
https://doi.org/10.11646/zootaxa.2776.1.2