de Carvalho, Marcelo R., Mark H. Sabaj Perez, and Nathan R. Lovejoy. “Potamotrygon tigrina, a New Species of Freshwater Stingray from the Upper Amazon Basin, Closely Related to Potamotrygon Schroederi Fernandez-Yépez, 1958 (Chondrichthyes: Potamotrygonidae)”. Zootaxa 2827, no. 1 (April 21, 2011): 1–30. Accessed July 10, 2025. https://www.mapress.com/zt/article/view/zootaxa.2827.1.1.