FIGURE 14 in Potamotrygon tigrina, a new species of freshwater stingray from the upper Amazon basin, closely related to Potamotrygon schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)

FIGURE 14. Potamotrygon schroederi from Barcelos, Rio Negro, Brazil, in dorsal view. A) MZUSP 108453 (689 mm TL, 444 mm DL, 409 mm DW). B) MZUSP 108445 (501 mm TL, 320 mm DL, 290 mm DW).