Urotrygon

Urotrygon is a genus of American round stingrays.

==Species== There are currently thirteen recognized species in this genus: Urotrygon aspidura D. S. Jordan & C. H. Gilbert, 1882 (Spiny-tail round ray) Urotrygon caudispinosus Hildebrand, 1946 (Spine-tailed round ray) Urotrygon chilensis Günther, 1872 (Chilean round ray) Urotrygon cimar López S. & W. A. Bussing, 1998 (Denticled roundray) Urotrygon microphthalmum Delsman, 1941 (Smalleyed round stingray) Urotrygon munda T. N. Gill, 1863 (Munda round ray) Urotrygon nana Miyake & McEachran, 1988 (Dwarf round ray) Urotrygon peruanus Hildebrand, 1946 (Peruvian stingray) Urotrygon reticulata Miyake & McEachran, 1988 (Reticulate round ray) Urotrygon rogersi D. S. Jordan & Starks, 1895 (Roger's round ray) Urotrygon serrula Hildebrand, 1946 (Saw-spined round ray) Urotrygon simulatrix Miyake & McEachran, 1988 (Fake round ray) Urotrygon venezuelae L. P. Schultz, 1949 (Venezuela round stingray)