FIGURE 2 in Potamotrygon rex, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855)

FIGURE 2. Dorsal (A) and ventral (B) views of of Potamotrygon rex, sp. nov. (adult male, paratype, MZUSP 120373, 825 mm TL, 526 mm DL, 475 mm DW).Published as part of De Carvalho, Marcelo R., 2016, Potamotrygon rex, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855), pp. 537-565 in Zootaxa 4150 (5) on page 541, DOI: 10.11646/zootaxa.4150.5.2, http://zenodo.org/record/26129