Template:Carvalho, 2016

• Carvalho, M.R. de 2016. Potamotrygon rex, a new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the middle and upper rio Tocantins, Brazil, closely allied to Potamotrygon henlei (Castelnau, 1855). Zootaxa 4150(5): 537–565. DOI: 10.11646/zootaxa.4150.5.2.  
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Nomenclatural acts

• Date of publication: 16 August 2016
• ZooBank

New names (1)

• Potamotrygon rex [p. 538]