Dinosaur diversity during the transition between the middle and late parts of the Late Cretaceous in eastern Shandong Province, China: Evidence from dinosaur eggshells

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	Dinosaur diversity during the transition between the middle and late parts of the Late Cretaceous in eastern Shandong Province, China: Evidence from dinosaur eggshells
	Zhao ZiKui; Zhang ShuKang; Wang Qiang; Wang XiaoLin; Zhao, ZK (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China.
	2013-12-01
发表期刊	CHINESE SCIENCE BULLETIN
ISSN	1001-6538
卷号	58 期号:36 页码:4663-4669
文章类型	Article
摘要	The record of dinosaur eggs from the Upper Cretaceous Wangshi Group in eastern Shandong Province, China shows that the dinosaur species represented by elongatoolithids were present from the middle to the late Late Cretaceous, whereas those represented by the dictyoolithids and spheroolithids became extinct in the middle Late Cretaceous and the new species represented by ovaloolithids appeared in the late Late Cretaceous. Estimated eggshell conductance of water vapor is over 4 to over 115 times higher in spheroolithids and the dictyoolithids than in elongatoolithids and ovaloolithids, indicating that eggs of the first two oofamilies required higher humidity during incubation. Based on the delta O-18 record as preserved in eggshell, a change from relatively humid to relatively dry climatic conditions can be assumed to have taken place during the transition between the middle and late parts of the Late Cretaceous. It is reasonable to suggest that the change in climate was the cause of the dinosaur diversity.
关键词	Dinosaur Eggshell Gas Conductance Dinosaur Diversity Middle-Late Late Cretaceous Eastern Shandong Province
WOS标题词	Science & Technology
关键词[WOS]	WATER-VAPOR CONDUCTANCE ; BIRDS EGGS ; AVIAN EGG ; EXTINCTION ; INCUBATION ; VOLUME ; SHELL ; BASIN
收录类别	SCI
语种	英语
项目资助者	National Natural Science Foundation of China [41172018, 41202003]; National Key Basic Research Program of China [2012CB821900]; Special Founds for the Paleontology and Paleoanthropology, Academia Sinica [9118]
WOS研究方向	Science & Technology - Other Topics
WOS类目	Multidisciplinary Sciences
WOS记录号	WOS:000327482400020
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/5207
专题	古低等脊椎动物研究室
通讯作者	Zhao, ZK (reprint author), Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China.
作者单位	Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
推荐引用方式 GB/T 7714	Zhao ZiKui,Zhang ShuKang,Wang Qiang,et al. Dinosaur diversity during the transition between the middle and late parts of the Late Cretaceous in eastern Shandong Province, China: Evidence from dinosaur eggshells[J]. CHINESE SCIENCE BULLETIN,2013,58(36):4663-4669.
APA	Zhao ZiKui,Zhang ShuKang,Wang Qiang,Wang XiaoLin,&Zhao, ZK .(2013).Dinosaur diversity during the transition between the middle and late parts of the Late Cretaceous in eastern Shandong Province, China: Evidence from dinosaur eggshells.CHINESE SCIENCE BULLETIN,58(36),4663-4669.
MLA	Zhao ZiKui,et al."Dinosaur diversity during the transition between the middle and late parts of the Late Cretaceous in eastern Shandong Province, China: Evidence from dinosaur eggshells".CHINESE SCIENCE BULLETIN 58.36(2013):4663-4669.

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