New age constraints for the Middle Triassic archosaur Lotosaurus: Implications for basal archosaurian appearance and radiation in South China

doi:10.1016/j.palaeo.2019.02.008

IVPP-IR > 中科院古脊椎所（2000年以后）

	New age constraints for the Middle Triassic archosaur Lotosaurus: Implications for basal archosaurian appearance and radiation in South China
	Wang, Jun 1,2; Pei, Rui 1,3; Chen, Jianye 3; Zhou, Zhenzhu 2; Feng, Chongqin 1,4; Chang, Su-Chin 1
	2019-05-01
发表期刊	PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN	0031-0182
卷号	521 页码:30-41
通讯作者	Pei, Rui(peirui@ivpp.ac.cn) ; Chang, Su-Chin(suchin@hku.hk)
摘要	Archosaurians were the dominant terrestrial tetrapods during the Mesozoic and became one of the most successful tetrapod clades on Earth following the end-Permian mass extinction. The lower Badong Formation in northwestern Hunan Province, South China hosts fossils representing the basal archosaurian Lotosaurus. The Badong Formation has been previously interpreted as Anisian-Ladinian (247-237 Ma) in age based on biostratigraphic correlations. This study presents new detrital zircon U-Pb age constraints for sandstones hosting Lotosaurus fossils in Sangzhi County of northwestern Hunan. Our data give a weighted mean age of 238.0 +/- 1.4 Ma (Ladinian Stage) as the maximum depositional age for the fossil-bearing layer in the lower Badong Formation. This age is consistent with younger estimates from previous biostratigraphic studies. It is also more precise and stratigraphically constrained than previously published radiometric dating results for the units. This age estimate provides critical geochronologic constraint on the radiation of early archosaurians from China into other areas of Pangea beginning in the Early Triassic.
关键词	Badong Formation Ladinian Detrital zircons Archosauria Hunan
DOI	10.1016/j.palaeo.2019.02.008
关键词[WOS]	EVOLUTIONARY RADIATION ; BADONG FORMATION ; ZIRCON ; PROVENANCE ; SUBDUCTION ; DIAPSIDA ; COMPLEX ; SHANXI ; RECORD ; GROWTH
收录类别	SCI
语种	英语
资助项目	Research Grants Council of Hong Kong[17308316] ; HKU Seed Fund for Basic Research[201611159045] ; HKU Seed Fund for Basic Research[201711159025]
项目资助者	Research Grants Council of Hong Kong ; HKU Seed Fund for Basic Research
WOS研究方向	Physical Geography ; Geology ; Paleontology
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS记录号	WOS:000463291900003
出版者	ELSEVIER SCIENCE BV
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/9587
专题	中科院古脊椎所（2000年以后）
通讯作者	Pei, Rui; Chang, Su-Chin
作者单位	1.Univ Hong Kong, Dept Earth Sci, Hong Kong, Peoples R China 2.Shandong Univ Sci & Technol, Coll Earth Sci & Engn, Qingdao 266590, Peoples R China 3.Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 4.Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Macau, Peoples R China
推荐引用方式 GB/T 7714	Wang, Jun,Pei, Rui,Chen, Jianye,et al. New age constraints for the Middle Triassic archosaur Lotosaurus: Implications for basal archosaurian appearance and radiation in South China[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2019,521:30-41.
APA	Wang, Jun,Pei, Rui,Chen, Jianye,Zhou, Zhenzhu,Feng, Chongqin,&Chang, Su-Chin.(2019).New age constraints for the Middle Triassic archosaur Lotosaurus: Implications for basal archosaurian appearance and radiation in South China.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,521,30-41.
MLA	Wang, Jun,et al."New age constraints for the Middle Triassic archosaur Lotosaurus: Implications for basal archosaurian appearance and radiation in South China".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 521(2019):30-41.