| Nominal Species (n = 47) | Present allocation (n = 28) | Ref. |
|---|---|---|
| Trygon aiereba Müller & Henle, 1841 | Paratrygon aiereba | 110348 |
| Raja ajereba Walbaum, 1792 | Paratrygon aiereba | 110348 |
| Potamotrygon alba Castex, 1963 | Potamotrygon motoro | 36687 |
| Potamotrygon amandae Loboda & Carvalho, 2013 | Potamotrygon amandae | 95047 |
| Potamotrygon boesemani Rosa, Carvalho & Almeida Wanderley, 2008 | Potamotrygon boesemani | 75012 |
| Trygon brachyurus Günther, 1880 | Potamotrygon brachyura | 26282 |
| Potamotrygon brumi Devincenzi, 1942 | Potamotrygon brachyura | 36687 |
| Potamotrygon castexi Castello & Yagolkowski, 1969 | Potamotrygon falkneri | 86809 |
| Potamotrygon circularis Garman, 1913 | Potamotrygon constellata | 36687 |
| Potamotrygon circularis Garman, 1913 | Potamotrygon motoro | 36687 |
| Taeniura constellata Vaillant, 1880 | Potamotrygon constellata | 86870 |
| Trygon dumerilii Castelnau, 1855 | Potamotrygon orbignyi | 36687 |
| Potamotrygon falkneri Castex & Maciel, 1963 | Potamotrygon falkneri | 35766 |
| Trygon garrapa Jardine, 1843 | Potamotrygon motoro | 36687 |
| Heliotrygon gomesi Carvalho & Lovejoy, 2011 | Heliotrygon gomesi | 86515 |
| Trygon henlei Castelnau, 1855 | Potamotrygon henlei | 27116 |
| Potamotrygon humerosa Garman, 1913 | Potamotrygon humerosa | 86809 |
| Potamotrygon humerosus (non Garman, 1913) | Potamotrygon orbignyi | 86809 |
| Trygon hystrix Müller & Henle, 1841 | Potamotrygon hystrix | 2037 |
| Trygon hystrix (non Müller & Henle, 1841) | Potamotrygon magdalenae | 26543 |
| Trygon hystrix ocellata Engelhardt, 1912 | Potamotrygon ocellata | 33021 |
| Plesiotrygon iwamae Rosa, Castello & Thorson, 1987 | Plesiotrygon iwamae | 35766 |
| Potamotrygon labradori Castex, 1963 | Potamotrygon motoro | 36687 |
| Potamotrygon laticeps Garman, 1913 | Potamotrygon motoro | 36687 |
| Potamotrygon leopoldi Castex & Castello, 1970 | Potamotrygon leopoldi | 35766 |
| Potamotrygon limai Fontenelle, Da Silva & Carvalho, 2014 | Potamotrygon limai | 94972 |
| Taeniura magdalenae Duméril, 1865 | Potamotrygon magdalenae | 36687 |
| Potamotrygon marinae Deynat, 2006 | Potamotrygon marinae | 56822 |
| Potamotrygon menchacai Martínez Achenbach, 1967 | Potamotrygon falkneri | 36687 |
| Taeniura motoro Müller & Henle, 1841 | Potamotrygon motoro | 26282 |
| Trygon mulleri Castelnau, 1855 | Potamotrygon motoro | 36687 |
| Plesiotrygon nana Carvalho & Ragno, 2011 | Plesiotrygon nana | 86912 |
| Trygon orbignyi Castelnau, 1855 | Potamotrygon orbignyi | 80565 |
| Potamotrygon pantanensis Loboda & Carvalho, 2013 | Potamotrygon pantanensis | 95047 |
| Potamotrygon pauckei Castex, 1963 | Potamotrygon motoro | 36687 |
| Trygon reticulatus Günther, 1880 | Potamotrygon orbignyi | 54621 |
| Heliotrygon rosai Carvalho & Lovejoy, 2011 | Heliotrygon rosai | 86515 |
| Potamotrygon schroederi Fernández-Yépez, 1958 | Potamotrygon schroederi | 35766 |
| Potamotrygon schuhmacheri Castex, 1964 | Potamotrygon schuhmacheri | 36687 |
| Potamotrygon scobina Garman, 1913 | Potamotrygon scobina | 35766 |
| Potamotrygon scobina (non Garman, 1913) | Plesiotrygon iwamae | 34195 |
| Potamotrygon signata Garman, 1913 | Potamotrygon signata | 35766 |
| Trygon strogylopterus Jardine, 1843 | Paratrygon aiereba | 27116 |
| Potamotrygon tatianae Silva & Carvalho, 2011 | Potamotrygon tatianae | 86911 |
| Disceus thayeri Garman, 1913 | Paratrygon aiereba | 36687 |
| Potamotrygon tigrina Carvalho, Sabaj Pérez & Lovejoy, 2011 | Potamotrygon tigrina | 86809 |
| Potamotrygon yepezi Castex & Castello, 1970 | Potamotrygon yepezi | 35766 |