真腔骨龙属
真腔骨龙属![]() 化石时期:三叠纪,
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科学分类 ![]() | |
界: | 动物界 Animalia |
门: | 脊索动物门 Chordata |
纲: | 蜥形纲 Sauropsida |
科: | †西里龙科 Silesauridae |
属: | †真腔骨龙属 Eucoelophysis Sullivan & Lucas, 1999 |
模式种 | |
鲍氏真腔骨龙 Eucoelophysis baldwini Sullivan & Lucas, 1999
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真腔骨龙属(属名:Eucoelophysis)是鸟颈类主龙的一个属,化石发现于美国新墨西哥州的钦尔组(Chinle Formation),地质年代约为三叠纪诺利阶。在最初描述的时候被认为是属于腔骨龙科[1],但在2005年的研究发现它其实是西里龙(Silesaurus)的近亲[2][3]。在2006年,这个结果得到了支持,且认为真腔骨龙是恐龙的姊妹分类单元.[4]。
但是,西里龙与它们的演化关系却不详。有研究将真腔骨龙归类于恐龙形类(Dinosauriformes),但却不排除是原始的鸟臀目恐龙[5]。
参考资料
- ^ Sullivan, R.M. and Lucas, S.G. (1999). "Eucoelophysis baldwini, a new theropod dinosaur from the Upper Triassic of New Mexico, and the status of the original types of Coelophysis". Journal of Vertebrate Paleontology 19(1): 81-90.
- ^ Nesbitt, S.J., Irmis, R.B., and Parker, W.G. A critical review of the Triassic North American dinosaur record. Kellner, A.W.A., Henriques, D.D.R., & Rodrigues, T. (eds.) (编). II Congresso Latino-Americano de Paleontologia de Vertebrados, Boletim de Resumos. Rio de Janeiro: Museum Nacional/UFRJ. 2005: 139.
- ^ Nesbitt, S. J., R. B. Irmis, and W. G. Parker. (2007). "A critical re-evaluation of the Late Triassic dinosaur taxa of North America." Journal of Systematic Palaeontology, 5:209-243.
- ^ Ezcurra, M.D. A review of the systematic position of the dinosauriform archosaur Eucoelophysis baldwini Sullivan & Lucas, 1999 from the Upper Triassic of New Mexico, USA (PDF). Geodiversitas. 2006, 28 (4): 649–684 [2007-07-10]. (原始内容存档 (PDF)于2007-10-04).
- ^ Dzik, J. A beaked herbivorous archosaur with dinosaur affinities from the early Late Triassic of Poland. Journal of Vertebrate Paleontology. 2003, 23 (3): 556–574.
外部链接
- PDF of Ezcurra (2006) (页面存档备份,存于互联网档案馆)
- William Parker's reaction to Ezcurra (2006) (页面存档备份,存于互联网档案馆), from the Dinosaur Mailing List.
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