river stingrays
(Family Potamotrygonidae)
Taxonomic Rank
| Domain: Eukarya |
| Kingdom: Animalia |
| Phylum: Chordata |
| Subphylum: Vertebrata |
| Class: Chondrichthyes |
| Subclass: Elasmobranchii |
| Order: Myliobatiformes |
| Potamotrygonidae |