| potamotrygonocotyle rarum | potamotrygon schroederi | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon schroederi | 347817285 |
| potamotrygonocotyle rarum | potamotrygon schroederi | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon schroederi | 347817285 |
| potamotrygonocotyle rarum | potamotrygon schroederi | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon schroederi | 347817285 |
| potamotrygonocotyle rarum | potamotrygon schroederi | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon schroederi | 347817338 |
| potamotrygonocotyle rarum | potamotrygon schroederi | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon schroederi | 347817338 |
| potamotrygonocotyle rionegrense | potamotrygon motoro | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon motoro | 347817348 |
| potamotrygonocotyle rarum | potamotrygon schroederi | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon schroederi | 347817285 |
| potamotrygonocotyle rarum | potamotrygon schroederi | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon schroederi | 347817338 |
| potamotrygonocotyle rionegrense | potamotrygon motoro | Brazil: Rio Negro River, Amazonas State, Amazonas Basin | Potamotrygon motoro | 347817290 |