A New Specimen of Shansisuchus shansisuchus Young, 1964 (Diapsida: Archosauriformes) from the Triassic of Shanxi, China

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	A New Specimen of Shansisuchus shansisuchus Young, 1964 (Diapsida: Archosauriformes) from the Triassic of Shanxi, China
	Wang Runfu 1; Xu Shichao 1; Wu Xiaochun2 ; Li Chun3 ; Wang Suozhu 1
	2013
发表期刊	Acta Geologica Sinica
ISSN	1000-9515
卷号	87 期号:5 页码:1185
摘要	Shansisuchus shansisuchus Young,1964 was restudied on the basis of a new specimen.Some anatomical features that were either briefly or not described at all in the original study were detailed.The new specimen not only provides further information on the skull anatomy and the vertebral column but also expands the range of the geographical distribution of the taxon.With new information,the diagnosis of S.shansisuchus was emended and its phylogenetic relationships were further analyzed.S.shansisuchus differs from other archosauriforms primarily in the presence of a large subnarial fenestra anterior to the antorbital fenestra,tongue-in-groove articulations between the ascending process of the premaxilla and nasal and between the premaxilla and maxilla,a tall and posterodorsally directed ascending process of the maxilla,a knee-shaped process of the postorbital projecting into the orbit,a broad descending process of squamosal distally well forked and a large,deeply bow-shaped intercentrum tightly anchoring/capping the sharp ventral edges of two neighboring centra together in cervical and at least first eight dorsal vertebrae.With additional information derived from the new specimen,the phylogenetic relationships of S.shansisuchus were reanalyzed;it is closely related to Erythrosuchus-Vjushkovia clade.
语种	英语
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/10275
专题	中国科学院古脊椎动物与古人类研究所
作者单位	1.Shanxi Museum of Geology, Binhexilu Zhongduan 2.Canadian Museum of Nature 3.中国科学院古脊椎动物与古人类研究所
推荐引用方式 GB/T 7714	Wang Runfu,Xu Shichao,Wu Xiaochun,et al. A New Specimen of Shansisuchus shansisuchus Young, 1964 (Diapsida: Archosauriformes) from the Triassic of Shanxi, China[J]. Acta Geologica Sinica,2013,87(5):1185.
APA	Wang Runfu,Xu Shichao,Wu Xiaochun,Li Chun,&Wang Suozhu.(2013).A New Specimen of Shansisuchus shansisuchus Young, 1964 (Diapsida: Archosauriformes) from the Triassic of Shanxi, China.Acta Geologica Sinica,87(5),1185.
MLA	Wang Runfu,et al."A New Specimen of Shansisuchus shansisuchus Young, 1964 (Diapsida: Archosauriformes) from the Triassic of Shanxi, China".Acta Geologica Sinica 87.5(2013):1185.

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