''Urotrygon'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
American round stingrays. The last two
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
were described in 1988.
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
''Urotrygon'' is a genus of American round stingrays. The last two species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as t ...
''
Hildebrand, 1946 (Spine-tailed round ray)
* ''
Urotrygon chilensis''
Günther, 1872 (Chilean round ray)
* ''
Urotrygon cimar
''Urotrygon'' is a genus of American round stingrays. The last two species were described in 1988.
Species
There are currently thirteen recognized species in this genus:
* '' Urotrygon aspidura'' D. S. Jordan & C. H. Gilbert, 1882 (Spiny-tai ...
''
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)
References
Urotrygonidae
Ray genera
Taxa named by Theodore Gill
Taxonomy articles created by Polbot
{{Chondrichthyes-stub