SCHWARTZ, F.J. (2009)
Ways to identify stingrays of the world possessing or lacking serrated stinging tail spines. Journal of the North Carolina Academy of Science, 125 (3): 107–109
ROSA, R.S. & CHARVET-ALMEIDA, P. & DIBAN QUIJADA, C.C. (2010)
Biology of the South American Potamotrygonid Stingrays. In: Carrier, J.C. & Musick, J.A. & Heithaus, M.R. (Eds) Sharks and Their Relatives II: Biodiversity, Adaptive Physiology, and Conservation. CRC Press, Boca Raton: 241–282