| New Eusauropod Dinosaur from Yuanmou of Yunnan Province, China |
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| 作者姓名： | LUE Junchang LI Shaoxue JI Qiang WANG Guofu ZHANG Jiahua DONG Zhiming |
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| 作者单位： | [1]Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037 [2]Yuanmou Museum, Yuanmou, Yunnan 651300 [3]Chuxiong Museum, Chuxiong, Yunnan 675000 |
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| 基金项目： | The authors thank Zhong Shimin of the director of the Chuxiong Museum （Chuxiong Museum） for their helps in many ways. We are indebted to Dr. Adam Yates （University of the Witwatersrand, South Africa）, who read the first draft of this paper and made constructive suggestions. This study is financially supported by the Key Laboratory of Stratigraphy and Paleontology, Chinesee Academy of Geological Sciences （KL05-5） to LU Junchang |
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| 摘 要： | 1 Introduction Sauropod dinosaurs were group of gigantic quadrupedal herbivores. This group includes the largest terrestrial animals ever to have existed. More than 120 genera have been proposed, however, many of these are now considered to be of dubious validity. Currently, approximately 100 genera are accepted as valid (Upchurch et al., 2004a). The sauropod dinosaur described herein was collected from Jiangyi (Fig. 1), Yuanmou County of Yunnan Province by the Yunnan Provincial Institute…
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| 关 键 词： | 云南 元谋县 侏罗纪 恐龙 古动物 |
| 收稿时间： | 2005-10-09 |
New Eusauropod Dinosaur from Yuanmou of Yunnan Province, China |
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| Authors: | LUE;Junchang;LI;Shaoxue;JI;Qiang;WANG;Guofu;ZHANG;Jiahua;DONG;Zhiming |
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| Institution: | L(U) Junchang,LI Shaoxue,JI Qiang,WANG Guofu,ZHANG Jiahua,DONG Zhiming |
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| Abstract: | Yuanmousaurusjiangyiensis gen. et sp. nov. is erected based on an incomplete skeleton. It is characterized by more complex structures of the neural arches in the dorsal vertebrae than those in Omeisaurus, but less complex than those of Euhelopus; the dorsal vertebra bears 9 laminae, forming three cavities on the lateral surface of the neural arch; the dorsal vertebral neural spines with dorsoventrally-oriented cavities are similar to those of Omeisaurus and Patagosaurus. Yuanmousaurus is more primitive than Euhelopus, but more derived than Omeisaurus. The similar dorsal vertebral structure between Yuanmousaurus and Patagosaurus may indicate that they have a close relationship to each other. |
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| Keywords: | Yuanmou Yunnan Province Middle Jurassic Yuanmousaurus Sauropoda |
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