n = 2
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Plesiotrygon iwamae | Rosa, Castello & Thorson, 1987 | Plesiotrygon iwamae | Potamotrygonidae | Long-tailed river stingray |
| Plesiotrygon nana | Carvalho & Ragno, 2011 | Plesiotrygon nana | Potamotrygonidae |