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A new species of early-diverging Sauropodiformes from the Lower Jurassic Fengjiahe Formation of Yunnan Province, China

文献类型：期刊论文

作者de Fabregues, Claire Peyre5; Bi, Shundong4,5; Li, Hongqing5; Li, Gang5; Yang, Lei1; Xu, Xing2,3
刊名SCIENTIFIC REPORTS
出版日期2020-07-03
卷号10期号:1页码:17
ISSN号2045-2322
DOI10.1038/s41598-020-67754-4
英文摘要Sauropodomorpha were herbivorous saurischian dinosaurs that incorporate Sauropoda and early-diverging sauropodomorphs. The oldest sauropodomorph remains are known from Late Triassic deposits, most of them Gondwanan. The Laurasian record comprises some Triassic forms, but the bulk is Jurassic in age. Among the 14 Jurassic non-sauropodan sauropodomorphs from Laurasia described in the past, 8 are from China. Here we describe a new non-sauropodan sauropodomorph, Irisosaurus yimenensis gen. et sp. nov., from the Early Jurassic Fengjiahe Formation of China. Nearly all of the non-sauropodan sauropodomorph genera currently known from China were first reported from the Lufeng Formation. The Fengjiahe Formation is its Southern equivalent, bringing a fauna similar to that of the Lufeng Formation to light. The new genus is defined based on an incomplete but unique maxilla, with a premaxillary ramus higher than long prior to the nasal process, a large and deep neurovascular foramen within the perinarial fossa, and a deep perinarial fossa defined by a sharp rim. Phylogenetic analysis places Irisosaurus at the very base of Sauropodiformes, as the sister-taxon of the Argentinean genus Mussaurus. This specimen adds to a growing assemblage of Chinese Jurassic non-sauropodan sauropodomorphs that offers new insight into the Laurasian evolution of this clade.
WOS关键词PHYLOGENETIC-RELATIONSHIPS ; SAUROPODOMORPH DINOSAUR ; BASAL ; PROSAUROPODA ; NOMENCLATURE ; ANATOMY ; YOUNG
资助项目Science & Technology Department of Yunnan[2018FY001-005] ; National Science Foundation of China[41728003] ; postdoctoral international exchange program of the postdoctoral scientific foundation of China ; Yunnan University[2018FY001-005]
WOS研究方向Science & Technology - Other Topics
语种英语
WOS记录号WOS:000546530500002
出版者NATURE PUBLISHING GROUP
源URL[http://119.78.100.205/handle/311034/17726]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者de Fabregues, Claire Peyre; Xu, Xing
作者单位1.Yimen Adm Cultural Heritage, Yimen 651100, Peoples R China
2.Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
3.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Evolutionary Systemat Vertebrates, Beijing 100044, Peoples R China
4.Indiana Univ Penn, Dept Biol, Indiana, PA 15705 USA
5.Yunnan Univ, Inst Palaeontol, Ctr Vertebrate Evolutionary Biol, Kunming 650091, Yunnan, Peoples R China
推荐引用方式
GB/T 7714		 de Fabregues, Claire Peyre,Bi, Shundong,Li, Hongqing,et al. A new species of early-diverging Sauropodiformes from the Lower Jurassic Fengjiahe Formation of Yunnan Province, China[J]. SCIENTIFIC REPORTS,2020,10(1):17.
APA de Fabregues, Claire Peyre,Bi, Shundong,Li, Hongqing,Li, Gang,Yang, Lei,&Xu, Xing.(2020).A new species of early-diverging Sauropodiformes from the Lower Jurassic Fengjiahe Formation of Yunnan Province, China.SCIENTIFIC REPORTS,10(1),17.
MLA de Fabregues, Claire Peyre,et al."A new species of early-diverging Sauropodiformes from the Lower Jurassic Fengjiahe Formation of Yunnan Province, China".SCIENTIFIC REPORTS 10.1(2020):17.

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