Chuandongocoelurus

Jak číst taxoboxChuandongocoelurus
Stratigrafický výskyt: Střední jura, asi před 165 miliony let
alternativní popis obrázku chybí
Rekonstrukce kostry chuandongocélura
Vědecká klasifikace
Říšeživočichové (Animalia)
Kmenstrunatci (Chordata)
Třídaplazi (Sauropsida)
Nadřáddinosauři (Dinosauria)
Řádplazopánví (Saurischia)
PodřádTheropoda
InfrařádCeratosauria?
RodChuandongocoelurus
He, 1984
Binomické jméno
Chuandongocoelurus primitivus
He, 1984
Některá data mohou pocházet z datové položky.

Chuandongocoelurus („Coelurus z Chuandongu“) byl rod menšího masožravého dinosaura (teropoda), žijícího v období střední jury (asi před 165 miliony let) na území dnešní provincie S’-čchuan v centrální části Číny (souvrství Ša-si-miao, vrstvy Ta-šan-pchu).[1]

Objev a popis

Formálně byl tento taxon popsán roku 1984[2] a původně se paleontologové domnívali, že do tohoto taxonu spadá materiál dvou jedinců, s kat. ozn. CCG 20010 a CCG 20011. Později se však ukázalo, že tyto fosilie zřejmě patří jiným, spíše vzdáleně příbuzným teropodům. Druhý zmíněný materiál pak zřejmě patří teropodovi blízce příbuznému rodu Elaphrosaurus.[3] V současnosti považujeme za blízkého příbuzného tohoto rodu teropoda rodu Monolophosaurus.[4]

Rozměry

Chuandongocoelurus byl menší teropod, jehož stehenní kost měří na délku pouze 20,1 cm. Celková délka tohoto dinosaura je na jejím základě odhadována asi na 1,5 metru a jeho hmotnost zhruba na 10 až 20 kilogramů.

Reference

  1. ↑ https://www.osel.cz/11259-dinosauri-statistika-roku-2020.html
  2. ↑ He, 1984. The vertebrate fossils of Sichuan. Sichuan Scientific and Technological Publishing House. 168 pp.
  3. ↑ M. T. Carrano, R. B. J. Benson, and S. D. Sampson, (2012). "The phylogeny of Tetanurae (Dinosauria: Theropoda)", Journal of Systematic Palaeontology 10(2): 211-300.
  4. ↑ Holtz, Thomas R., Jr.; Rey, Luis V. (2007). Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages (Aktualizovaný internetový dodatek, str. 6). New York: Random House. ISBN 978-0-375-82419-7.

Literatura

  • 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.
  • Benson, R. B. J. (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, 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. 158 (4): 882–935. 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.

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