n = 6
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Paratrygon aiereba | (Müller & Henle, 1841) | Paratrygon aiereba | Potamotrygonidae | Discus ray |
| Paratrygon aiereba | (Walbaum, 1792) | Paratrygon aiereba | Potamotrygonidae | Discus ray |
| Paratrygon ajereba | (Walbaum, 1792) | Paratrygon aiereba | Potamotrygonidae | Discus ray |
| Paratrygon laticeps | (Garman, 1913) | Potamotrygon motoro | Potamotrygonidae | South American freshwater stingray |
| Paratrygon orinocensis | Loboda, Lasso, Rosa & Carvalho, 2021 | Paratrygon orinocensis | Potamotrygonidae | |
| Paratrygon parvaspina | Loboda, Lasso, Rosa & Carvalho, 2021 | Paratrygon parvaspina | Potamotrygonidae |