braincaseanatomyofthebasaltheropodsinosaurusfromtheearlyjurassicofchina

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	braincaseanatomyofthebasaltheropodsinosaurusfromtheearlyjurassicofchina
	Xing Lida 1; PaulinaCarabajal Ariana 2; Currie Philip J 3; Xu Xing4 ; Zhang Jianping 1; Wang Tao 5; Burns Michael E 3; Dong Zhiming 4
刊名	actageologicasinica
	2014
卷号	088 期号:006 页码:1653
ISSN号	1000-9515
英文摘要	The neuroanatomy of the mid-sized theropod Sinosaurus triassicus from the Lower Jurassic Lufeng Formation, Lufeng Basin in Yunnan Province, China was studied using X-ray computed tomography. The braincase is characterized by a large supraoccipital knob that is capped by a posterior projection of the parietal and two external foramina for the caudal middle cerebral vein, which is completely enclosed by the supraoccipital. The basicranium has well defined, short basipterygoid processes that project ventral to the basal tubera. The basisphenoid is expanded, projects posteroventrally, and is pierced by four pneumatic recesses. The endocranial morphology resembles that observed in other basal theropods—in particular some allosauroids—and has a strongly marked pontine flexure and a large dorsal expansion. The inner ear morphology is also similar to that observed in other basal theropods, with slender semicircular canals. The anterior semicircular canal is 20% larger than the posterior semicircular canal, and the angle formed between them is less than 90° when seen in dorsal view.
语种	英语
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/16294]
专题	古脊椎动物与古人类研究所_图书馆1
作者单位	1.中国地质大学 2.Museo Carmen Funes, Consejo Nacional de Investigaciones Cientificas y Tecnologicas 3.阿尔伯塔大学 4.中国科学院古脊椎动物与古人类研究所 5.Lufeng Land and Resources Bureau
推荐引用方式 GB/T 7714	Xing Lida,PaulinaCarabajal Ariana,Currie Philip J,et al. braincaseanatomyofthebasaltheropodsinosaurusfromtheearlyjurassicofchina[J]. actageologicasinica,2014,088(006):1653.
APA	Xing Lida.,PaulinaCarabajal Ariana.,Currie Philip J.,Xu Xing.,Zhang Jianping.,...&Dong Zhiming.(2014).braincaseanatomyofthebasaltheropodsinosaurusfromtheearlyjurassicofchina.actageologicasinica,088(006),1653.
MLA	Xing Lida,et al."braincaseanatomyofthebasaltheropodsinosaurusfromtheearlyjurassicofchina".actageologicasinica 088.006(2014):1653.