DE CARVALHO, M.R. & RAGNO, M.P. (2011)
An unusual, dwarf new species of Neotropical freshwater stingray, Plesiotrygon nana sp. nov., from the upper and mid Amazon basin: the second species of Plesiotrygon (Chondrichthyes: Potamotrygonidae). Papéis Avulsos de Zoologia, 51 (7): 101–138
DOI: 10.1590/S0031-10492011000700001