A new oospecies of dinosaur eggs from the Upper Cretaceous in the Xichuan Basin, Henan Province

被引：0
|
作者：
Jia S. [1 ]
Fang K. [2 ,3 ]
Gao D. [1 ]
Gao Y. [1 ]
Chang H. [1 ]
Chang F. [1 ]
Xiao L. [1 ]
Yang L. [1 ]
Zheng Y. [1 ]
Zhu X. [2 ,3 ,4 ]
Wang Q. [2 ,3 ]
Wang X. [2 ,3 ,4 ]
机构：
[1] Henan Geological Museum, Zhengzhou
[2] Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing
[3] Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Beijing
[4] College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing
来源：
Dizhi Xuebao/Acta Geologica Sinica | 2020年 / 94卷 / 10期
关键词：
Dendroolihid; Dinosaur eggs; Hean Province; Late Cretaceous; Xichuan Basin;
D O I：
10.19762/j.cnki.dizhixuebao.2020275
中图分类号：
学科分类号：
摘要：
The discovery and research of dinosaur eggs in Xichuan basin began in 1974. Dinosaur eggs in Xichuan basin have very high diversity. There are 4 oofamilies, 6 oogenera and 6 oospecies, especially dendroolithids. In recent years, during the investigation of geoheritages in Henan Province by Henan Geological Museum, some new types of dinosaur eggs have been found again in Xichuan basin. Here we describe one of them. According to the following characteristics: the shell unit is an irregular branch with multi branches, the eggshell thickness is 1.62~1.74 mm, the cone gap is obvious, the shell unit begins to branch from the upper part of the cone, the middle part of the eggshell has 3~4 branches, and a fusion layer is formed near the outer surface of the eggshell, and the eggshell has complex pore system, we establish a new oospecies Dendroolithus dashiqiaoensis oosp. nov. Studying the classification and correlation of dinosaur eggs in Xichuan basin, the distribution of different types of dinosaur eggs in the strata, it will promotes the division of red beds in the basin, which will provide more detailed paleobiological evidence for the division and correlation of red beds, paleogeography, paleoenvironment and paleoclimate in the different Mesozoic basins in the eastern Qinling Mountains. © 2020, Science Press. All right reserved.
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页码：2816 / 2822
页数：6
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