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侧空龙

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侧空龙的背椎荐椎

侧空龙(属名:Pleurocoelus)是种蜥脚下目恐龙,生存于早白垩纪。它们生存于北美洲,可能跟星牙龙为同一种动物。

目前已发现数个关节脱落的身体骨骼,属于未成年个体,由于化石保存状态差,很难建立可鉴定特征。侧空龙身长约9米到18米,体重为20到45吨。在1997年到2009年,侧空龙是德州州恐龙,之后被帕拉克西龙取代[1]

在1888年,奥塞内尔·查利斯·马什(Othniel Charles Marsh)将一些发现于阿伦德尔组的一些骨头,命名为侏儒侧空龙Pleurocoelus nanus)及高侧空龙(P. altus)。但是在1921年,查尔斯·怀特尼·吉尔摩尔(Charles W. Gilmore)提出它们应是属于星牙龙的,肯尼思·卡彭特(Kenneth Carpenter)及Tidwell也支持这个观点。有趣的是,星牙龙的大部分骨头都是幼年个体。肯尼思·卡彭特及Tidwell认为马什所命名的侏儒侧空龙与高侧空龙,应该是星牙龙的不同成长阶段[2]

参考资料

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  1. ^ Texas State Library and Archives Commission: Texas State Symbols. [2012-07-16]. (原始内容存档于2007-07-31). 
  2. ^ Carpenter, Kenneth and Tidwell, Virginia. Reassessment of the Early Cretaceous Sauropod Astrodon johnsoni Leidy 1865 (Titanosauriformes). Carpenter, Kenneth and Tidswell, Virginia (ed.) (编). Thunder Lizards: The Sauropodomorph Dinosaurs. Indiana University Press. 2005: 38–77. ISBN 978-0-253-34542-4. 
  • Tidwell, V., Carpenter, K. & Meyer, S. 2001. New Titanosauriform (Sauropoda) from the Poison Strip Member of the Cedar Mountain Formation (Lower Cretaceous), Utah. In: Mesozoic Vertebrate Life. D. H. Tanke & K. Carpenter (eds.). Indiana University Press, Eds. D.H. Tanke & K. Carpenter. Indiana University Press. 139-165.
  • Lull, R.S. 1911, "The Reptillian Fauna of the Arundel Formation" and "Systematic Paleontology of the Lower Cretaceous Deposits of Maryland -Dinosauria", Lower Cretaceous : Maryland Geological Survey Systematic Reports, pp. 173-178, 183-211.
  • Marsh, O.C. 1888, "Notice of a New Genus of Sauropoda and Other New Dinosaurs from the Potomac Group," American Journal of Science, 3rd Series, Vol. XXXV, pp. 89-94.
  • 德州州恐龙-侧空龙页面存档备份,存于互联网档案馆
  • 大鼻龙类简介

外部链接

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