Round ray

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Round rays

Yellow stingray, Urobatis jamaicensis

Scientific classification

Kingdom:	Animalia
Phylum:	Chordata
Class:	Chondrichthyes
Subclass:	Elasmobranchii
Order:	Rajiformes
Family:	Urolophidae

Genera

Trygonoptera
Urobatis
Urolophus
Urotrygon
See text for species.

The round rays are a family, Urolophidae, of rays. They are found in temperate and tropical oceans throughout the world. Most species have poisonous caudal stings.

[edit] Species

There are 44 species in four genera:

Genus Trygonoptera
- Western shovelnose stingaree, Trygonoptera mucosa (Whitley, 1939).
- Striped stingaree, Trygonoptera ovalis Last & Gomon, 1987.
- Masked stingaree, Trygonoptera personata Last & Gomon, 1987.
- Common stingaree, Trygonoptera testacea Müller & Henle, 1841.
Genus Urobatis
- Spot-on-spot round ray, Urobatis concentricus Osburn & Nichols, 1916.
- Haller's round ray, Urobatis halleri (Cooper, 1863).
- Yellow stingray, Urobatis jamaicensis (Cuvier, 1816).
- Spotted round ray, Urobatis maculatus Garman, 1913.
- Chilean round stingray, Urobatis marmoratus (Philippi, 1893).
- Tumbes round stingray, Urobatis tumbesensis (Chirichigno F. & McEachran, 1979).
Genus Urolophus
- New Ireland stingaree, Urolophus armatus Müller & Henle, 1841.
- Sepia stingray, Urolophus aurantiacus Müller & Henle, 1841.
- Sandyback stingaree, Urolophus bucculentus Macleay, 1884.
- Circular stingaree, Urolophus circularis McKay, 1966.
- Crossback stingaree, Urolophus cruciatus (Lacépède, 1804).
- Urolophus deforgesi Séret & Last, 2003.
- Wide stingaree, Urolophus expansus McCulloch, 1916.
- Patchwork stingaree, Urolophus flavomosaicus Last & Gomon, 1987.
- Spotted stingaree, Urolophus gigas Scott, 1954.
- Java stingaree, Urolophus javanicus (Martens, 1864).
- Kai stingaree, Urolophus kaianus Günther, 1880.
- Lobed stingaree, Urolophus lobatus McKay, 1966.
- Mitotic stingaree, Urolophus mitosis Last & Gomon, 1987.
- Urolophus neocaledoniensis Séret & Last, 2003.
- Coastal stingaree, Urolophus orarius Last & Gomon, 1987.
- Urolophus papilio Séret & Last, 2003.
- Sparsely-spotted stingaree, Urolophus paucimaculatus Dixon, 1969.
- Coral sea stingaree, Urolophus piperatus Séret & Last, 2003.
- Yellowback stingaree, Urolophus sufflavus Whitley, 1929.
- Greenback stingaree, Urolophus viridis McCulloch, 1916.
- Brown stingaree, Urolophus westraliensis Last & Gomon, 1987.
Genus Urotrygon
- Spiny-tail round ray, Urotrygon aspidura (Jordan & Gilbert, 1882).
- Urotrygon caudispinosus Hildebrand, 1946.
- Chilean round ray, Urotrygon chilensis (Günther, 1872).
- Urotrygon cimar López S. & Bussing, 1998.
- Smalleyed round stingray, Urotrygon microphthalmum Delsman, 1941.
- Munda round ray, Urotrygon munda Gill, 1863.
- Dwarf round ray, Urotrygon nana Miyake & McEachran, 1988.
- Peruvian stingray, Urotrygon peruanus Hildebrand, 1946.
- Reticulate round ray, Urotrygon reticulata Miyake & McEachran, 1988.
- Roger's round ray, Urotrygon rogersi (Jordan & Starks, 1895).
- Urotrygon serrula Hildebrand, 1946.
- Fake round ray, Urotrygon simulatrix Miyake & McEachran, 1988.
- Venezuela round stingray, Urotrygon venezuelae Schultz, 1949.