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Hadrosauroid eggs and embryos from the Upper Cretaceous (Maastrichtian) of Jiangxi Province, China

文献类型：期刊论文

作者Xing, Lida5,6,7; Niu, Kecheng5; Yang, Tzu-Ruei3,4; Wang, Donghao6; Miyashita, Tetsuto2; Mallon, Jordan C.1,2
刊名BMC ECOLOGY AND EVOLUTION
出版日期2022-05-09
卷号22期号:1页码:9
关键词Hadrosauroidea Fossil eggs Fossil embryos Upper Cretaceous Hekou Formation China Ganzhou Basin
DOI10.1186/s12862-022-02012-x
通讯作者Mallon, Jordan C.(JMallon@nature.ca)
英文摘要Background: Dinosaur eggs containing embryos are rare, limiting our understanding of dinosaur development. Recently, a clutch of subspherical dinosaur eggs was discovered while blasting for a construction project in the Upper Cretaceous red beds (Hekou Formation) of the Ganzhou Basin, Jiangxi Province, China. At least two of the eggs contain identifiable hadrosauroid embryos, described here for the first time. Results: The eggs, attributable to Spheroolithidae indet., are thin-walled and small (similar to 660 mL) compared to those of Lambeosaurinae. The shape of the embryonic squamosal is reminiscent of that seen in the Late Cretaceous hadrosauroids Levnesovia transoxiana, Tanius sinensis, and Nanningosaurus dashiensis, suggestive of possible affinities. Conclusion: The small size of the eggs and embryos, similar to those of Hadrosaurinae, indicates that the larger eggs and hatchlings typical of Lambeosaurinae are evolutionarily derived.
WOS关键词DINOSAUR ; BASIN ; ORNITHISCHIA ; DIVERSITY ; REPTILIA ; THEROPOD
资助项目National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41790455] ; 111 project[B20011] ; Fundamental Research Funds for Central Universities[265QZ201903] ; Ministry of Science and Technology, Taiwan[MOST 1102116-M-178-002] ; Natural Sciences and Engineering Research Council of Canada[DGECR2021-00421] ; Canadian Museum of Nature
WOS研究方向Environmental Sciences & Ecology ; Evolutionary Biology ; Genetics & Heredity
语种英语
出版者BMC
WOS记录号WOS:000792618300002
资助机构National Natural Science Foundation of China ; 111 project ; Fundamental Research Funds for Central Universities ; Ministry of Science and Technology, Taiwan ; Natural Sciences and Engineering Research Council of Canada ; Canadian Museum of Nature
源URL[http://119.78.100.205/handle/311034/21533]  
专题古脊椎动物与古人类研究所_图书馆1
通讯作者Mallon, Jordan C.
作者单位1.Carleton Univ, Dept Earth Sci, Ottawa, ON K1S 5B6, Canada
2.Canadian Museum Nat, Beaty Ctr Species Discovery & Palaeobiol Sect, Ottawa, ON K1P 6P4, Canada
3.Natl Museum Nat Sci, Taichung, Taiwan
4.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China
5.Yingliang Stone Nat Hist Museum, Nanan 362300, Peoples R China
6.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
7.China Univ Geosci, State Key Lab Biogeol & Environm Geol, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714		 Xing, Lida,Niu, Kecheng,Yang, Tzu-Ruei,et al. Hadrosauroid eggs and embryos from the Upper Cretaceous (Maastrichtian) of Jiangxi Province, China[J]. BMC ECOLOGY AND EVOLUTION,2022,22(1):9.
APA Xing, Lida,Niu, Kecheng,Yang, Tzu-Ruei,Wang, Donghao,Miyashita, Tetsuto,&Mallon, Jordan C..(2022).Hadrosauroid eggs and embryos from the Upper Cretaceous (Maastrichtian) of Jiangxi Province, China.BMC ECOLOGY AND EVOLUTION,22(1),9.
MLA Xing, Lida,et al."Hadrosauroid eggs and embryos from the Upper Cretaceous (Maastrichtian) of Jiangxi Province, China".BMC ECOLOGY AND EVOLUTION 22.1(2022):9.

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来源：古脊椎动物与古人类研究所

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