Potamotrygon orbignyi (Castelnau, 1855)
         Smooth back river stingray (Eng)  
Синонимы:
Potamotrygon humerosa Garman, 1913
Potamotrygon reticulatus (Günther, 1880)
Trygon dumerilii Castelnau, 1855
Trygon orbignyi Castelnau, 1855
Trygon reticulatus Günther, 1880