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Internal morphology of nasal spine of Tsintaosaurus spinorhinus (Ornithischia: Lambeosaurinae) from the upper cretaceous of Shandong, China

文献类型：期刊论文

作者Zhang, Jialiang1,4; Wang, Xiaolin2,3,4; Jiang, Shunxing2,4; Li, Guobiao1
刊名HISTORICAL BIOLOGY
出版日期2020-03-16
页码8
关键词Lambeosaurinae Tsintaosaurus computed tomography scan upper cretaceous China
ISSN号0891-2963
DOI10.1080/08912963.2020.1731804
通讯作者Wang, Xiaolin(wangxiaolin@ivpp.ac.cn)
英文摘要Tsintaosaurus spinorhinus is famous for the unique rod-like nasal spine, but there has been a long debate about whether its nasal spine is hollow, since it is difficult to examine the nasal inside through direct observation. Here, we used a high-resolution CT scan to reveal the interior structure of the nasal spine and re-observed the holotype and paratype of Tsintaosaurus spinorhinus. By the direct observation and CT scan, we provide new information about the nasal spine of Tsintaosaurus spinorhinus, and our result shows the rod-like nasal spine of Tsintaosaurus spinorhinus is a solid sandwich structure, rather than a hollow tubular structure. There is a significant fracture between the rod-like process and the base of the nasal, and if the two processes fit together, the nasal spine would have been more inclined rostrally in life. The new cranial information collected through the direct observation and CT scan reveals that the narrow strip surrounded by the nasals and frontals is formed by a longitudinal median groove filled with sediment, indicating the possible presence of the frontal-nasal fontanelle in younger juveniles.
WOS关键词DINOSAURIA ; HADROSAURIDAE ; ANATOMY
资助项目National Natural Science Foundation of China[41172018] ; National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[41572020] ; Strategic Priority Research Program (B) of the CAS[XDB18000000] ; Laiyang Cretaceous Fauna Research Program of the China University of Geosciences, Beijing[H02657] ; Laiyang Government Cooperation Dinosaur Project
WOS研究方向Life Sciences & Biomedicine - Other Topics ; Paleontology
语种英语
WOS记录号WOS:000524018600001
出版者TAYLOR & FRANCIS LTD
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program (B) of the CAS ; Laiyang Cretaceous Fauna Research Program of the China University of Geosciences, Beijing ; Laiyang Government Cooperation Dinosaur Project
源URL[http://119.78.100.205/handle/311034/17261]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Wang, Xiaolin
作者单位1.China Univ Geosci Beijing, Sch Earth Sci & Resources, Beijing, Peoples R China
2.CAS Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Jialiang,Wang, Xiaolin,Jiang, Shunxing,et al. Internal morphology of nasal spine of Tsintaosaurus spinorhinus (Ornithischia: Lambeosaurinae) from the upper cretaceous of Shandong, China[J]. HISTORICAL BIOLOGY,2020:8.
APA Zhang, Jialiang,Wang, Xiaolin,Jiang, Shunxing,&Li, Guobiao.(2020).Internal morphology of nasal spine of Tsintaosaurus spinorhinus (Ornithischia: Lambeosaurinae) from the upper cretaceous of Shandong, China.HISTORICAL BIOLOGY,8.
MLA Zhang, Jialiang,et al."Internal morphology of nasal spine of Tsintaosaurus spinorhinus (Ornithischia: Lambeosaurinae) from the upper cretaceous of Shandong, China".HISTORICAL BIOLOGY (2020):8.

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来源：古脊椎动物与古人类研究所

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