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Cretaceous dinosaur and crocodylomorph egg records of the Sanshui Basin,Guangdong Province,southern China

Journal of Palaeogeography 2023年第3期12卷 401-418页

作者： Li-Da Xing Zi-Sheng Guo Rui Wu Chun-Lei Du Dong-Haowang W.Scott Persons IV State Key Laboratory of Biogeology and Environmental Geology China University of Geosciences(Beijing)Beijing100083China School of the Earth Sciences and Resources China University of Geosciences(Beijing)Beijing 100083China Grandview Museum of Natural Science Guangzhou 510630Guangdong ProvinceChina School of Earth Sciences China University of Geosciences(Wuhan)Wuhan 430074Hubei ProvinceChina Mace Brown Museum of Natural History Department of Geology and Environmental GeosciencesCollege of CharlestonCharlestonSC 29401USA

This paper describes newly discovered dinosaur and crocodylomorph egg fragments from the Upper Cretaceous Sanshui and Dalangshan formations of the Sanshui Basin of Guangdong Province,southern *** the absence of macroscopic information,the eggshell specimens can be identified to the oofamilies Prismatoolithidae,elongatoolithidae and Krokolithidae,and it is hypothesized that these three families of eggs correspond to troodontids,oviraptorids and crocodiloids,*** with egg fossils from Nanxiong Basin,Heyuan Basin and Ganzhou Basin highlights the similarity between these egg assemblages and those from Nanxiong *** egg fossils found in the Sanshui and the Dalangshan for-mations enrich the known faunal types in the research area and facilitate further studies on the diversity of Late Cretaceous vertebrate assemblages in the Sanshui Basin.

关键词： Prismatoolithidae elongatoolithidae Krokolithidae Sanshui Formation Dalangshan Formation Upper Cretaceous

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Oviraptorosaurian Eggs (Dinosauria) with Embryonic Skeletons Discovered for the First Time in China

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Acta Geologica Sinica(English Edition) 2008年第6期82卷 1089-1094页

作者： Yen-nien CHENG JI Qiang Xiao-chun WU Hsi-yin SHAN Museum of Natural Science 1 Kuan Chien RD. Taichung Taiwan 40453 China Institute of Geology Chinese Academy of Geological Sciences 26 Baiwanzhuang Road Beijing 100037 China Canadian Museum of Nature P.O. Box 3443 STN ＇D＇ Ottawa ON KIP 6P4 Canada

Two elongatoolithid dinosaur eggs from the Upper Cretaceous of Ganzhou, Jiangxi Province and the embryonic skeletons they bear are described. They represent the first oviraptorosaurian eggs with embryonic skeletons in China and provide the first example that an oospecies can be correlated to certain dinosaur taxon/taxa. The two eggs are the same as the pair of the eggs inside a female oviraptorosaurian pelvis from the same horizon of the same area in both macro- and micro-structures of the egg shells, and can he referred to the oospecies, Macroolithus yaotunensis Zhao, 1975. The morphology of the preserved part of the embryonic skeletons indicates that they may have been laid by an oviraptorid, Heyuannia huangi from Guangdong Province or a closely related oviraptorosaurian, which may have been lived in the Ganzhou area too in the Late Cretaceous. The embryonic skeletons of the two eggs are not in the same developing stage. In one of the eggs, the postzygapophysis of the preserved vertebrae are well ossified, indicating that it was just hatched.

关键词： oviraptorosaurian elongatoolithidae Macroolithus embryonic skeleton Upper Cretaceous Jiangxi

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