n = 47
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Potamotrygon adamastor | Fontenelle & Carvalho, 2017 | Potamotrygon adamastor | Potamotrygonidae | |
| Potamotrygon alba | Castex, 1963 | Potamotrygon motoro | Potamotrygonidae | South American freshwater stingray |
| Potamotrygon albimaculata | Carvalho, 2016 | Potamotrygon albimaculata | Potamotrygonidae | |
| Potamotrygon amandae | Loboda & Carvalho, 2013 | Potamotrygon amandae | Potamotrygonidae | |
| Potamotrygon amazona | Fontenelle & Carvalho, 2017 | Potamotrygon amazona | Potamotrygonidae | |
| Potamotrygon boesemani | Rosa, Carvalho & Almeida Wanderley, 2008 | Potamotrygon boesemani | Potamotrygonidae | |
| Potamotrygon brachyura | (Günther, 1880) | Potamotrygon brachyura | Potamotrygonidae | Short-tailed river stingray |
| Potamotrygon brumi | Devincenzi, 1942 | Potamotrygon brachyura | Potamotrygonidae | Short-tailed river stingray |
| Potamotrygon castexi | Castello & Yagolkowski, 1969 | Potamotrygon falkneri | Potamotrygonidae | Largespot river stingray |
| Potamotrygon constellata | (Vaillant, 1880) | Potamotrygon constellata | Potamotrygonidae | Thorny river stingray |
| Potamotrygon dumerilii | (Castelnau, 1855) | Potamotrygon orbignyi | Potamotrygonidae | Smooth back river stingray |
| Potamotrygon falkneri | Castex & Maciel, 1963 | Potamotrygon falkneri | Potamotrygonidae | Largespot river stingray |
| Potamotrygon garmani | Fontenelle & Carvalho, 2017 | Potamotrygon garmani | Potamotrygonidae | |
| Potamotrygon garouaensis | Stauch & Blanc, 1962 | Fontitrygon garouaensis | Dasyatidae | Smooth freshwater stingray |
| Potamotrygon henlei | (Castelnau, 1855) | Potamotrygon henlei | Potamotrygonidae | Bigtooth river stingray |
| Potamotrygon histrix | (Müller & Henle, 1839) | Potamotrygon histrix | Potamotrygonidae | Porcupine river stingray |
| Potamotrygon humerosa | Garman, 1913 | Potamotrygon humerosa | Potamotrygonidae | |
| Potamotrygon humerosus | Garman, 1913 | Potamotrygon humerosa | Potamotrygonidae | |
| Potamotrygon hystrix | (Müller & Henle, 1839) | Potamotrygon histrix | Potamotrygonidae | Porcupine river stingray |
| Potamotrygon jabuti | Carvalho, 2016 | Potamotrygon jabuti | Potamotrygonidae | |
| Potamotrygon labradori | Castex, 1963 | Potamotrygon motoro | Potamotrygonidae | South American freshwater stingray |
| Potamotrygon laticeps | Garman, 1913 | Potamotrygon motoro | Potamotrygonidae | South American freshwater stingray |
| Potamotrygon leopoldi | Castex & Castello, 1970 | Potamotrygon leopoldi | Potamotrygonidae | White-blotched river stingray |
| Potamotrygon limai | Fontenelle, Da Silva & Carvalho, 2014 | Potamotrygon limai | Potamotrygonidae | |
| Potamotrygon magdalenae | (Duméril, 1865) | Potamotrygon magdalenae | Potamotrygonidae | Magdalena river stingray |
| Potamotrygon marinae | Deynat, 2006 | Potamotrygon marinae | Potamotrygonidae | |
| Potamotrygon marquesi | Silva & Loboda, 2019 | Potamotrygon marquesi | Potamotrygonidae | |
| Potamotrygon menchacai | Martínez Achenbach, 1967 | Potamotrygon falkneri | Potamotrygonidae | Largespot river stingray |
| Potamotrygon motoro | (Müller & Henle, 1841) | Potamotrygon motoro | Potamotrygonidae | South American freshwater stingray |
| Potamotrygon ocellata | (Engelhardt, 1912) | Potamotrygon ocellata | Potamotrygonidae | Red-blotched river stingray |
| Potamotrygon orbignyi | (Castelnau, 1855) | Potamotrygon orbignyi | Potamotrygonidae | Smooth back river stingray |
| Potamotrygon pantanensis | Loboda & Carvalho, 2013 | Potamotrygon pantanensis | Potamotrygonidae | |
| Potamotrygon pauckei | Castex, 1963 | Potamotrygon motoro | Potamotrygonidae | South American freshwater stingray |
| Potamotrygon reticulatus | (Günther, 1880) | Potamotrygon orbignyi | Potamotrygonidae | Smooth back river stingray |
| Potamotrygon rex | Carvalho, 2016 | Potamotrygon rex | Potamotrygonidae | Great freshwater stingray |
| Potamotrygon roulini | Roberts, 2021 | Potamotrygon orbignyi | Potamotrygonidae | Smooth back river stingray |
| Potamotrygon schroederi | Fernández-Yépez, 1958 | Potamotrygon schroederi | Potamotrygonidae | Rosette river stingray |
| Potamotrygon schuehmacheri | Castex, 1964 | Potamotrygon schuhmacheri | Potamotrygonidae | |
| Potamotrygon schuemacheri | Castex, 1964 | Potamotrygon schuhmacheri | Potamotrygonidae | |
| Potamotrygon schuhmacheri | Castex, 1964 | Potamotrygon schuhmacheri | Potamotrygonidae | |
| Potamotrygon scobina | Garman, 1913 | Potamotrygon scobina | Potamotrygonidae | Raspy river stingray |
| Potamotrygon signata | Garman, 1913 | Potamotrygon signata | Potamotrygonidae | Parnaiba river stingray |
| Potamotrygon signatus | Garman, 1913 | Potamotrygon signata | Potamotrygonidae | Parnaiba river stingray |
| Potamotrygon tatianae | Silva & Carvalho, 2011 | Potamotrygon tatianae | Potamotrygonidae | |
| Potamotrygon tigrina | Carvalho, Sabaj Pérez & Lovejoy, 2011 | Potamotrygon tigrina | Potamotrygonidae | |
| Potamotrygon wallacei | Carvalho, Rosa & Araújo, 2016 | Potamotrygon wallacei | Potamotrygonidae | |
| Potamotrygon yepezi | Castex & Castello, 1970 | Potamotrygon yepezi | Potamotrygonidae | Maracaibo river stingray |