''Urogymnus'' 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 nom ...
of
stingrays in the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Dasyatidae from marine,
brackish
Brackish water, sometimes termed brack water, is water occurring in a natural environment that has more salinity than freshwater, but not as much as seawater. It may result from mixing seawater (salt water) and fresh water together, as in estu ...
and freshwater habitats in the
Indo-Pacific and tropical East Atlantic regions. The genus was previously considered to be
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...
, containing only the
porcupine ray (''U. asperrimus'').
Molecular phylogenetic research published in 2016 reassigned several species from ''
Himantura
''Himantura'' is a genus of stingray in the family Dasyatidae that is native to the Indo-Pacific. In a 2016 taxonomic revision, many of the species formerly assigned to ''Himantura'' were reassigned to other genera ('' Brevitrygon'', '' Fluvi ...
'' to ''Urogymnus''.
Species
*''
Urogymnus acanthobothrium''
Last
A last is a mechanical form shaped like a human foot. It is used by shoemakers and cordwainers in the manufacture and repair of shoes. Lasts typically come in pairs and have been made from various materials, including hardwoods, cast iron, an ...
, White
White is the lightest color and is achromatic (having no hue). It is the color of objects such as snow, chalk, and milk, and is the opposite of black. White objects fully reflect and scatter all the visible wavelengths of light. White o ...
& Kyne
Nebraska Public Media, formerly Nebraska Educational Telecommunications (NET), is a state network of public radio and television stations in the U.S. state of Nebraska. It is operated by the Nebraska Educational Telecommunications Commission (NETC ...
, 2016 (Mumburarr whipray)
*''
Urogymnus asperrimus''
( Bloch & J. G. Schneider, 1801) (Porcupine ray)
*''
Urogymnus dalyensis''
(Last
A last is a mechanical form shaped like a human foot. It is used by shoemakers and cordwainers in the manufacture and repair of shoes. Lasts typically come in pairs and have been made from various materials, including hardwoods, cast iron, an ...
& Manjaji-Matsumoto, 2008) (Freshwater whipray)
*''
Urogymnus granulatus''
( Macleay, 1883) (Mangrove whipray)
*''
Urogymnus lobistoma''
( Manjaji-Matsumoto & Last
A last is a mechanical form shaped like a human foot. It is used by shoemakers and cordwainers in the manufacture and repair of shoes. Lasts typically come in pairs and have been made from various materials, including hardwoods, cast iron, an ...
, 2006) (Tubemouth whipray)
*''
Urogymnus polylepis''
( Bleeker, 1852) (Giant freshwater stingray)
*''
Urogymnus africana'' (Bloch & Schneider, 1801)
*''
Urogymnus africanus'' (Bloch & Schneider, 1801)
*''
Urogymnus natalensis'' (Gilchrist & Thompson, 1911)
*''
Urogymnus poecilura'' (Shaw, 1804)
*''
Urogymnus rhombeus'' Klunzinger, 1871
*''
Urogymnus ukpam'' (Smith, 1863)
*''
Urogymnus aperrimus'' (Bloch & Schneider, 1801)
References
Dasyatidae
Taxa named by Johannes Peter Müller
Taxa named by Friedrich Gustav Jakob Henle
Taxonomy articles created by Polbot
{{Syngnathiformes-stub