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侧空龙

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側空龍的背椎薦椎

側空龍(屬名:Pleurocoelus)是種蜥腳下目恐龍,生存於早白堊紀。牠們生存於北美洲,可能跟星牙龍為同一種動物。

目前已發現數個關節脫落的身體骨骼,屬於未成年個體,由於化石保存狀態差,很難建立可鑑定特徵。側空龍身長約9公尺到18公尺,體重為20到45噸。在1997年到2009年,側空龍是德州州恐龍,之後被帕拉克西龍取代[1]

在1888年,奧塞內爾·查利斯·馬什(Othniel Charles Marsh)將一些發現於阿倫德爾組的一些骨頭,命名為侏儒側空龍Pleurocoelus nanus)及高側空龍(P. altus)。但是在1921年,查爾斯·懷特尼·吉爾摩爾(Charles W. Gilmore)提出它們應是屬於星牙龍的,肯尼思·卡彭特(Kenneth Carpenter)及Tidwell也支持這個觀點。有趣的是,星牙龍的大部份骨頭都是幼年個體。肯尼思·卡彭特及Tidwell認為馬什所命名的侏儒側空龍與高側空龍,應該是星牙龍的不同成長階段[2]

參考資料

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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.
  • 德州州恐龍-側空龍页面存档备份,存于互联网档案馆
  • 大鼻龍類簡介

外部連結

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