A new saurolophine hadrosaurid (Dinosauria: Ornithopoda) from the Upper Cretaceous of Shandong, China

doi:10.1590/0001-3765201720160920

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	A new saurolophine hadrosaurid (Dinosauria: Ornithopoda) from the Upper Cretaceous of Shandong, China
	Zhang, Jialiang 1,2; Wang, Xiaolin1,2 ; Wang, Qiang1 ; Jiang, Shunxing 1; Cheng, Xin 1; Li, Ning 1; Qiu, Rui 1,2
刊名	ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS
	2019
卷号	91 页码:20
关键词	Upper Cretaceous Wangshi Group Laiyangosaurus youngi Saurolophinae Shandong China
ISSN号	0001-3765
DOI	10.1590/0001-3765201720160920
通讯作者	Wang, Xiaolin(wangxiaolin@ivpp.ac.cn)
英文摘要	A new saurolophine hadrosaurid, Laiyangosaurus youngi gen. et sp. nov. is described and phylogenetically analyzed based on several cranial elements from the Jingangkou Formation, Wangshi Group, Upper Cretaceous of Laiyang, Shandong, China. Laiyangosaurus youngi differs from other members of the saurolophine Glade on the basis of a number of autapomorphies, including a prominent and narrow ridge on the lateral side of the nasal which forms the posterodorsal and posterior margin of the circumnasal depression, a primary ridge that nuts along most of the maxillary tooth row that is slightly deflected posteriorly, a retroarticular process of the surangular that is dorsolateroposteriorlly recurved, and orbital margins that are wider than the infratemporal margins of the jugal. This new taxon can be further distinguished by a number of unique combination of characters, including dorsal margin of nasal is flat, absence supracranial crest, a relatively shallow and rostrodorsally directed caudal margin of the lacrimal process of the jugal, and one or more foramina present on the rostral surface of the premaxilla. A phylogenetic analysis indicates that L. youngi comprises a monophyletic clade, which is known as Edmontosaurini.
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] ; Major Research plan of the National Natural Science Foundation of China[91514302] ; Chinese Academy of Sciences[XDB18000000] ; National Key Basic Research Program of China[2012CB821900] ; National Science Fund for Distinguished Young Scholars[40825005] ; Laiyang Government Cooperation Dinosaur Project
WOS关键词	CRESTED DINOSAUR ; NORTH-AMERICA ; EDMONTOSAURUS ; PHYLOGENY
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	ACAD BRASILEIRA DE CIENCIAS
WOS记录号	WOS:000467735500003
资助机构	National Natural Science Foundation of China ; Major Research plan of the National Natural Science Foundation of China ; Chinese Academy of Sciences ; National Key Basic Research Program of China ; National Science Fund for Distinguished Young Scholars ; Laiyang Government Cooperation Dinosaur Project
内容类型	期刊论文
源URL	[http://119.78.100.205/handle/311034/9706]
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.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, POB 643, Beijing 100044, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Jialiang,Wang, Xiaolin,Wang, Qiang,et al. A new saurolophine hadrosaurid (Dinosauria: Ornithopoda) from the Upper Cretaceous of Shandong, China[J]. ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS,2019,91:20.
APA	Zhang, Jialiang.,Wang, Xiaolin.,Wang, Qiang.,Jiang, Shunxing.,Cheng, Xin.,...&Qiu, Rui.(2019).A new saurolophine hadrosaurid (Dinosauria: Ornithopoda) from the Upper Cretaceous of Shandong, China.ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS,91,20.
MLA	Zhang, Jialiang,et al."A new saurolophine hadrosaurid (Dinosauria: Ornithopoda) from the Upper Cretaceous of Shandong, China".ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS 91(2019):20.