Plesiotrygon
Encyclopedia
The genus Plesiotrygon is a small genus of freshwater stingrays in the family Potamotrygonidae that are endemic to the major river systems of South America
. It currently contains the following species:
South America
South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...
. It currently contains the following species:
- Plesiotrygon iwamae Rosa, Castello & Thorson, 1987 (Long-tailed river stingray)
- Plesiotrygon nana M. R. de Carvalho & Ragno, 2011