Charvet-Almeida, P. & de Araujo, G. & de Almeida, M.P. (2005)
Reproductive Aspects of Freshwater Stingrays (Chondrichthyes: Potamotrygonidae) in the Brazilian Amazon Basin. Journal of Northwest Atlantic Fishery Science, 35, 165–171
DOI: 10.2960/J.v35.m502