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Charophytes from the Lower Cretaceous Xiagou Formation in the Jiuquan Basin (northwestern China) and their palaeogeographical significance

文献类型：期刊论文

作者Li, Sha1,2; Wang, Qifei2,3; Zhang, Haichun2,4; Li, Sha （李莎）
刊名CRETACEOUS RESEARCH
出版日期2020
卷号105页码:12
关键词Gyrogonite Xiagou Aptian Jiuquan Palaeogeography Palaeoecology
ISSN号0195-6671
DOI10.1016/j.cretres.2018.08.010
英文摘要The charophyte flora from the Lower Cretaceous Xiagou Formation in the Jiuquan Basin, Gansu Province (Northwest China) was investigated, and a total of four species were recognized: Aclistochara huihuibaoensis, Mesochara stipitata, Sphaerochara verticillata and Clavator grovesii var. jiuquanensis. A synonymy is here proposed, i.e., Charites xiagouensis is newly combined to S. verticillata, which is dominant in the flora assemblage. The here-described charophyte assemblage has a high biostratigraphic interest suggesting an early Aptian age for the Xiagou Formation. A sedimentological analysis of the facies indicates that the Xiagou charophyte flora thrived in a shallow freshwater lake. As noticed by previous authors, the late Early Cretaceous flora from the Jiuquan Basin shows a reduced diversity comparing with those from the Central Tethyan Archipelago, where clavatoraceans originated and radiated. As previous studies showed, one of the five clavatoraceans with the greatest global biogeographical extension, C. grovesii var. jiuquanensis spread to the Jiuquan Basin in the early Aptian probably dispersed by the aquatic bird Gansus yumenensis. (C) 2018 Elsevier Ltd. All rights.
WOS关键词GANSU PROVINCE ; OSTRACOD BIOSTRATIGRAPHY ; MONGOLIA ; PURBECK ; BIRD ; CLAVATORACEAE ; BIOGEOGRAPHY ; DISCOVERY ; SYSTEM
资助项目National Natural Science Foundation of China[41602003] ; National Natural Science Foundation of China[41688103] ; Strategic Priority Pre-Research Program (B) of the Chinese Academy of Sciences[XDPB05]
WOS研究方向Geology ; Paleontology
语种英语
WOS记录号WOS:000504515900010
出版者ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
资助机构National Natural Science Foundation of China ; Strategic Priority Pre-Research Program (B) of the Chinese Academy of Sciences
源URL[http://ir.nigpas.ac.cn/handle/332004/29716]  
专题中国科学院南京地质古生物研究所
通讯作者Li, Sha; Li, Sha （李莎）
作者单位1.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, CAS Key Lab Econ Stratig & Palaeogeog, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
4.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Li, Sha,Wang, Qifei,Zhang, Haichun,et al. Charophytes from the Lower Cretaceous Xiagou Formation in the Jiuquan Basin (northwestern China) and their palaeogeographical significance[J]. CRETACEOUS RESEARCH,2020,105:12.
APA Li, Sha,Wang, Qifei,Zhang, Haichun,&Li, Sha .(2020).Charophytes from the Lower Cretaceous Xiagou Formation in the Jiuquan Basin (northwestern China) and their palaeogeographical significance.CRETACEOUS RESEARCH,105,12.
MLA Li, Sha,et al."Charophytes from the Lower Cretaceous Xiagou Formation in the Jiuquan Basin (northwestern China) and their palaeogeographical significance".CRETACEOUS RESEARCH 105(2020):12.

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来源：南京地质古生物研究所

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