''Urotrygon'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of American round stingrays. The last two

species In biology, a species is the basic unit of Taxonomy (biology), 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 ...

were described in 1988.

Species

There are currently thirteen recognized species in this genus: * ''

Urotrygon aspidura ''Urotrygon aspidura'' or the spiny-tail round ray or Panamic stingray is a stingray species native to the Eastern central and southeast Pacific and southern Baja and the Gulf of California. It can grow up to 42 cm. They are severely threa ...

'' 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 Hildebrand is a character from Germanic heroic legend. ''Hildebrand'' is the modern German form of the name: in Old High German it is ''Hiltibrant'' and in Old Norse ''Hildibrandr''. The word ''hild'' means "battle" and ''brand'' means "sword". ...

, 1946 (Spine-tailed round ray) * ''

Urotrygon chilensis The thorny round stingray (''Urotrygon chilensis''), also known as the Chilean or blotched stingray, is a species of fish in the family Urotrygonidae. It is found in Chile, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico ...

'' 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 The smalleyed round stingray (''Urotrygon microphthalmum'') is a species of fish in the family Urotrygonidae. It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela. Its natural habitats are open sea The sea, connected as the ...

'' Delsman, 1941 (Smalleyed round stingray) * ''

Urotrygon munda ''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 ...

'' T. N. Gill, 1863 (Munda round ray) * ''

Urotrygon nana ''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 ...

'' Miyake & McEachran, 1988 (Dwarf round ray) * ''

Urotrygon peruanus ''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 ...

, 1946 (Peruvian stingray) * ''

Urotrygon reticulata ''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 ...

'' Miyake & McEachran, 1988 (Reticulate round ray) * ''

Urotrygon rogersi ''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 ...

'' D. S. Jordan & Starks, 1895 (Roger's round ray) * ''

Urotrygon serrula ''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 ...

, 1946 (Saw-spined round ray) * ''

Urotrygon simulatrix ''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 ...

'' 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