PDF) A systematic revision of the South American freshwater stingrays (Chondrichthyes: Potamotrygonidae)

A systematic revision of the South American freshwater stingrays (Chondrichthyes: Potamotrygonidae)

Two new species of freshwater stingrays of the genus Paratrygon ( Chondrichthyes: Potamotrygonidae) from the Orinoco basin, with comments on the taxonomy of Paratrygon aiereba – Neotropical Ichthyology

A Pliocene–Pleistocene continental biota from Venezuela, Swiss Journal of Palaeontology

Systematic revision of the Potamotrygon scobina Garman, 1913 species-complex (Chondrichthyes: Myliobatiformes: Potamotrygonidae), with the description of three new freshwater stingray species from Brazil and comments on their distribution and

Diversification and Species Boundaries of Rhinebothrium (Cestoda; Rhinebothriidea) in South American Freshwater Stingrays (Batoidea; Potamotrygonidae)

PDF) A systematic revision of the South American freshwater stingrays ( Chondrichthyes: Potamotrygonidae)

Morphological characterization of the venom secretory epidermal cells in the stinger of marine and freshwater stingrays - ScienceDirect