Chuandongocoelurus: Difference between revisions
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'''''Chuandongocoelurus''''' ({{pronEng|tʃwɑːnˌdɒŋɵsɨˈlʊərəs}} chwahn-DONG-o-see-LOOR-us - Chuandong and [[Ancient Greek|Greek]] Coelurus - koilos meaning "hollow" and oura meaning "tail") named after the [[Chuandong]] in [[Sichuan Province]], [[China]], was a [[genus]] of [[theropod]] [[dinosaur]] first described by Chinese paleontologist He in 1984. The formation in which it was discovered was the [[Lower Shaximiao Formation]], part of the Dashanpu Formation, meaning ''Chuandongocoelurus'' dates to the [[Bathonian]] or [[Callovian]] stage of the [[Middle Jurassic]]. |
'''''Chuandongocoelurus''''' ({{pronEng|tʃwɑːnˌdɒŋɵsɨˈlʊərəs}} chwahn-DONG-o-see-LOOR-us - Chuandong and [[Ancient Greek|Greek]] Coelurus - koilos meaning "hollow" and oura meaning "tail") named after the [[Chuandong]] in [[Sichuan Province]], [[China]], was a [[genus]] of [[tetanuran]] [[theropod]] [[dinosaur]] first described by Chinese paleontologist He in 1984. The formation in which it was discovered was the [[Lower Shaximiao Formation]], part of the Dashanpu Formation, meaning ''Chuandongocoelurus'' dates to the [[Bathonian]] or [[Callovian]] stage of the [[Middle Jurassic]]. |
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Initially described as a [[coelurid]] (at the time, this family was thought to comprende basically all small theropods)<ref>He, 1984. The vertebrate fossils of Sichuan. Sichuan Scientific and Technological Publishing House. 168 pp.</ref>, Norman (1990) assigned it to [[Theropoda]] indeterminata. Recently, Benson (2008, 2010) and Benson "et al" (2010) found it to be the sister taxon of [[''Monolophosaurus'']], together forming a clade belonging either to [[Megalosauroidea]]<ref>Benson, 2008. A new theropod phylogeny focussing on basal tetanurans, and its implications for European 'megalosaurs' and Middle Jurassic dinosaur endemism. Journal of Vertebrate Paleontology. 51A.</ref> <ref>Benson, 2010. A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods. Zoological Journal of the Linnean Society. DOI 10.1111/j.1096-3642.2009.00569.x</ref> or to [[Tetanurae]]<ref>Benson, Brusatte and Carrano, 2010. A new clade of large-bodied predatory dinosaurs (Theropoda: Allosauroidea) that survived to the latest Mesozoic. Naturwissenschaften. 97, 71-78. </ref> |
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''Chuandongocoelurus'' is known from a single partial skeleton, mostly from the torso and pelvic regions. The specimen has unfused neurocentral sutures in its vertebrae, meaning that the animal was immature at the time of death. |
''Chuandongocoelurus'' is known from a single partial skeleton, mostly from the torso and pelvic regions. The specimen has unfused neurocentral sutures in its vertebrae, meaning that the animal was immature at the time of death. |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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* He, (1984). The vertebrate fossils of Sichuan: Sichuan Scientific and Technological Publishing House, 168 pgs. |
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* Norman, David B. (1990). Problematic Theropoda: ``Coelurosaurs''. p. 280-305 ''in'' David B. Weishampel, et al. (eds.), ''The Dinosauria.'' University of California Press, Berkeley, Los Angeles, Oxford. |
* Norman, David B. (1990). Problematic Theropoda: ``Coelurosaurs''. p. 280-305 ''in'' David B. Weishampel, et al. (eds.), ''The Dinosauria.'' University of California Press, Berkeley, Los Angeles, Oxford. |
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Revision as of 19:13, 6 November 2010
| Chuandongocoelurus Temporal range: Middle Jurassic
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Chuandongocoelurus (Template:PronEng chwahn-DONG-o-see-LOOR-us - Chuandong and Greek Coelurus - koilos meaning "hollow" and oura meaning "tail") named after the Chuandong in Sichuan Province, China, was a genus of tetanuran theropod dinosaur first described by Chinese paleontologist He in 1984. The formation in which it was discovered was the Lower Shaximiao Formation, part of the Dashanpu Formation, meaning Chuandongocoelurus dates to the Bathonian or Callovian stage of the Middle Jurassic. Initially described as a coelurid (at the time, this family was thought to comprende basically all small theropods)[2], Norman (1990) assigned it to Theropoda indeterminata. Recently, Benson (2008, 2010) and Benson "et al" (2010) found it to be the sister taxon of ''Monolophosaurus'', together forming a clade belonging either to Megalosauroidea[3] [4] or to Tetanurae[5]
Chuandongocoelurus is known from a single partial skeleton, mostly from the torso and pelvic regions. The specimen has unfused neurocentral sutures in its vertebrae, meaning that the animal was immature at the time of death.
References
- ^ Benson, R.B.J. (2010). "A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods". Zoological Journal of the Linnean Society. doi:10.1111/j.1096-3642.2009.00569.x.
- ^ He, 1984. The vertebrate fossils of Sichuan. Sichuan Scientific and Technological Publishing House. 168 pp.
- ^ Benson, 2008. A new theropod phylogeny focussing on basal tetanurans, and its implications for European 'megalosaurs' and Middle Jurassic dinosaur endemism. Journal of Vertebrate Paleontology. 51A.
- ^ Benson, 2010. A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods. Zoological Journal of the Linnean Society. DOI 10.1111/j.1096-3642.2009.00569.x
- ^ Benson, Brusatte and Carrano, 2010. A new clade of large-bodied predatory dinosaurs (Theropoda: Allosauroidea) that survived to the latest Mesozoic. Naturwissenschaften. 97, 71-78.
- Norman, David B. (1990). Problematic Theropoda: ``Coelurosaurs. p. 280-305 in David B. Weishampel, et al. (eds.), The Dinosauria. University of California Press, Berkeley, Los Angeles, Oxford.
External links
- Chuandongocoelurus in the Dinosaur Encyclopedia
- Details on Chuandongocoelurus, from the Dinosaur Mailing List (includes full redescription)
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