A New Titanosaurian Sauropod from the Upper Cretaceous of Jiangxi Province, Southern China

doi:10.1080/08912963.2023.2259413

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	A New Titanosaurian Sauropod from the Upper Cretaceous of Jiangxi Province, Southern China
	Mo, Jin-You 1; Fu, Qiong-Yao 1; Yu, Yi-Lun 2; Xu, Xing2,3,4
	2023-09-23
发表期刊	HISTORICAL BIOLOGY
ISSN	0891-2963
期号	0 页码:1-15
摘要	Jiangxititan ganzhouensis gen. et sp. nov. is a new titanosaurian sauropod recovered from the Upper Cretaceous (Maastrichtian) Nanxiong Formation of Jiangxi Province, southern China. It is characterised by: (1) posterior cervical and anterior dorsal centra strongly compressed dorsoventrally; (2) accessory horizontal laminae present within the anterior dorsal pleurocoels; (3) posterior cervical and anterior dorsal neural arches low; (4) posterior cervical and anterior dorsal neural spines deeply bifurcated and widely separated; (5) inverted 'V' lamina formed by the left and right medial spinoprezygapophyseal laminae present at the anterior margin of the bifid point in posteriormost cervical and anteriormost dorsal neural spines; (6) triangular fossa formed by the metapophysis, medial and lateral spinoprezygapophyseal laminae present at the anterior margins of the posteriormost cervical and anteriormost dorsal neural spines; (7) postzygapophyses in the posterior cervical vertebrae fan-shaped; (8) medial and lateral spinopostzygapophyseal laminae present in the anterior dorsal vertebrae; and (9) anterior dorsal rib short and gracil. Our phylogenetic analysis places Jiangxititan within the deeply-nested titanosauriform clade Lognkosauria and the sympatric Gannansaurus in a much earlier-diverging lineage. This new discovery thus demonstrates the presence of both early-diverging and late-diverging titanosauriform sauropods in the Late Cretaceous Ganzhou dinosaur fauna.
关键词	Titanosauria Upper Cretaceous Nanxiong Formation Jiangxi Province Jiangxititan ganzhouensis
DOI	10.1080/08912963.2023.2259413
关键词[WOS]	DINOSAURIA SAUROPODA ; LIAONING PROVINCE ; EARLY EVOLUTION ; EGGS ; THEROPODA ; GANZHOU
收录类别	SCI
语种	英语
资助项目	The authors would like to thank Dr. Philip D. Mannion and another one anonymous reviewer for their constructive comments that greatly helped to improve the manuscript. Thanks also to Lishi Xiang from the Institute of Vertebrate Paleontology and Paleoanthro
WOS研究方向	Life Sciences & Biomedicine - Other Topics ; Paleontology
WOS类目	Biology ; Paleontology
WOS记录号	WOS:001068099600001
出版者	TAYLOR & FRANCIS LTD
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/22445
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Mo, Jin-You
作者单位	1.Nat Hist Museum Guangxi, Geol Dept, Nanning, Peoples R China 2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China 3.Yunnan Univ, Ctr Vertebrate Evolutionary Biol, Kunming, Peoples R China 4.Shenyang Normal Univ, Coll Paleontol, Paleontol Museum Liaoning, Shenyang, Peoples R China
推荐引用方式 GB/T 7714	Mo, Jin-You,Fu, Qiong-Yao,Yu, Yi-Lun,et al. A New Titanosaurian Sauropod from the Upper Cretaceous of Jiangxi Province, Southern China[J]. HISTORICAL BIOLOGY,2023(0):1-15.
APA	Mo, Jin-You,Fu, Qiong-Yao,Yu, Yi-Lun,&Xu, Xing.(2023).A New Titanosaurian Sauropod from the Upper Cretaceous of Jiangxi Province, Southern China.HISTORICAL BIOLOGY(0),1-15.
MLA	Mo, Jin-You,et al."A New Titanosaurian Sauropod from the Upper Cretaceous of Jiangxi Province, Southern China".HISTORICAL BIOLOGY .0(2023):1-15.

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