*** Welcome to piglix ***

Plesiotrygon

Plesiotrygon
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Myliobatiformes
Family: Potamotrygonidae
Genus: Plesiotrygon
R. de S. Rosa, Castello & Thorson, 1987
Type species
Plesiotrygon iwamae
R. de S. Rosa, Castello & Thorson 1987

Plesiotrygon is a small genus of freshwater stingrays in the family Potamotrygonidae endemic to the Amazon basin in South America, with two recognized species: Their maximum disc width ranges from 25 to 58 cm (10–23 in), but both species are very long-tailed.


...
Wikipedia

...