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Urolophus

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Urolophus
Temporal range: 56–0 Ma Eocene to present[1]
Urolophus cruciatus
Scientific classification
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Genus:
Urolophus

Type species
Raja cruciata
Lacepède, 1804

Urolophus is a genus of round rays mostly native to the western Pacific Ocean and the Indian Ocean, though one species occurs in the Pacific waters of the Mexican coast. Müller and Henle erected Urolophus in an 1837 issue of Bericht Akademie der Wissenschaften zu Berlin.[2] The name is derived from the Greek oura, meaning "tail", and lophos, meaning "crest".[3] In Urolophus, the outer rims of the nostrils are not enlarged into lobes, but may form a small knob at the back.[4] Raia (Leiobatus) Blainville, 1816 is a synonym of Urolophus; though his account was published earlier, none of species Blainville listed for Leiobatus had descriptions, thus rendering them invalid.[5] Urolophus fossils have been recovered dating back to the Eocene epoch (c. 56–34 Ma).[1]

Species

There are currently 22 recognized species in this genus:

See also

References

  1. ^ a b Sepkoski, J. (2002). "A compendium of fossil marine animal genera (Chondrichthyes entry)". Bulletins of American Paleontology. 364: 560. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help)
  2. ^ Müller, J. & Henle, F.G.J. (1837). "Gattungen der Haifische und Rochen nach einer von ihm mit Hrn. Henle unternommenen gemeinschaftlichen Arbeit über die Naturgeschichte der Knorpelfische". Bericht Akademie der Wissenschaften zu Berlin. 1837: 111–118.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  3. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Urolophus". FishBase. February 2015 version.
  4. ^ Yearsley, G.K. & Last, P.R. (2006). "Urolophus kapalensis sp. nov., a new stingree (Myliobatiformes: Urolophidae) off eastern Australia". Zootaxa. 1176: 41–52.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  5. ^ Eschmeyer, W.N. (ed.) Catalog of Fishes electronic version (26 August 2010).