| Scientific Name | Author | English Name |
|---|---|---|
| Heliotrygon gomesi | Carvalho & Lovejoy, 2011 | Gomes’s round ray |
| Heliotrygon rosai | Carvalho & Lovejoy, 2011 | Rosa’s round ray |
| Paratrygon aiereba | (Müller & Henle, 1841) | Discus ray |
| Plesiotrygon iwamae | Rosa, Castello & Thorson, 1987 | Long-tailed river stingray |
| Plesiotrygon nana | Carvalho & Ragno, 2011 | |
| Potamotrygon amandae | Loboda & Carvalho, 2013 | |
| Potamotrygon boesemani | Rosa, Carvalho & Almeida Wanderley, 2008 | |
| Potamotrygon brachyura | (Günther, 1880) | Short-tailed river stingray |
| Potamotrygon constellata | (Vaillant, 1880) | Thorny river stingray |
| Potamotrygon falkneri | Castex & Maciel, 1963 | Largespot river stingray |
| Potamotrygon henlei | (Castelnau, 1855) | Bigtooth river stingray |
| Potamotrygon humerosa | Garman, 1913 | |
| Potamotrygon hystrix | (Müller & Henle, 1841) | Porcupine river stingray |
| Potamotrygon leopoldi | Castex & Castello, 1970 | White-blotched river stingray |
| Potamotrygon limai | Fontenelle, Da Silva & Carvalho, 2014 | |
| Potamotrygon magdalenae | (Duméril, 1865) | Magdalena river stingray |
| Potamotrygon marinae | Deynat, 2006 | |
| Potamotrygon motoro | (Müller & Henle, 1841) | South American freshwater stingray |
| Potamotrygon ocellata | (Engelhardt, 1912) | Red-blotched river stingray |
| Potamotrygon orbignyi | (Castelnau, 1855) | Smooth back river stingray |
| Potamotrygon pantanensis | Loboda & Carvalho, 2013 | |
| Potamotrygon schroederi | Fernández-Yépez, 1958 | Rosette river stingray |
| Potamotrygon schuhmacheri | Castex, 1964 | |
| Potamotrygon scobina | Garman, 1913 | Raspy river stingray |
| Potamotrygon signata | Garman, 1913 | Parnaiba river stingray |
| Potamotrygon tatianae | Silva & Carvalho, 2011 | |
| Potamotrygon tigrina | Carvalho, Sabaj Pérez & Lovejoy, 2011 | |
| Potamotrygon yepezi | Castex & Castello, 1970 | Maracaibo river stingray |