https://bibliotecadigital.fia.cl/tesauro/vocab/https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421Potamotrygonidae https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Rajiformes BT https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Potamotrygon magdalenae NT https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Potamotrygon laticeps NT https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Potamotrygon hystrix NT https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Potamotrygon constellata NT https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Potamotrygon yepezi NT https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Potamotrygon scobina NT https://bibliotecadigital.fia.cl/tesauro/vocab/skos/36421 Potamotrygon motoro NT