| A New Specimen of Liaoceratops yanzigouensis (Dinosauria: Neoceratopsia) from the Early Cretaceous of Liaoning Province, China |
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| 作者姓名： | YOU Hailu Kyo TANOUE Peter DODSON |
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| 作者单位： | Institute of Geology, Chinese Academy of Geological Sciences, 26 Baiwanzhuang Road, Beijing 100037, China;Department of Earth and Environmental Science, University of Pennsylvania, 240 S. 33rd Street, Philadelphia, PA 19104-6316, USA;School of Veterinary Medicine, University of Pennsylvania, 3800 Spruce Street, Philadelphia, PA 19104-6045, USA |
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| 基金项目： | Funding was provided by the Ministry of Science and Technology of China (973 Project: 2006CB701405), the National Natural Science Foundation of China (40672007) and the Hundred Talents Project of Ministry of Land and Resources of China to You Hai-Lu. Kyo Tanoue was funded by Summer Research Stipends in Paleontology (University of Pennsylvania), School of Arts and Sciences Dissertation Research Fellowship (University of Pennsylvania) and Jurassic Foundation Research Grant. Peter Dodson thanks his chairman, Dr. Narayan Avadhani, for support. |
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| 摘 要： | A new specimen of basal neoceratopsian dinosaur Liaoceratops yanzigouensis is described. The specimen comes from the Lujiatun Bed of the Lower Cretaceous Yixian Formation in Beipiao City of western Liaoning Province, and is represented by a very well preserved three-dimensional partial skull and mandible. It is also the smallest among the three specimens of L. yanzigouensis, and several features in the new specimen, such as the short preorbital length and the round rostroventral orbital rim, can be ontogenetically-related. The superb exposure of the palatal complex may be caused by the removing of its brain by a small predator in the contemporary Jehol Biota.
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| 关 键 词： | Dinosauria Neoceratopsia Early Cretaceous Yixian Formation Liaoning Province China |
| 收稿时间： | 2007/8/25 0:00:00 |
| 修稿时间： | 2007/9/25 0:00:00 |
A New Specimen of Liaoceratops yanzigouensis (Dinosauria:Neoceratopsia) from the Early Cretaceous of Liaoning Province, China |
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| Authors: | YOU Hailu Kyo TANOUE Peter DODSON |
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| Abstract: | A new specimen of basal neoceratopsian dinosaur Liaoceratops yanzigouensis is described.The specimen comes from the Lujiatun Bed of the Lower Cretaceous Yixian Formation in Beipiao City of western Liaoning Province, and is represented by a very well preserved three-dimensional partial skull and mandible. It is also the smallest among the three specimens of L. yanzigouensis, and several features in the new specimen, such as the short preorbital length and the round rostroventral orbital rim, can be ontogenetically-related. The superb exposure of the palatal complex may be caused by the removing of its brain by a small predator in the contemporary Jehol Biota. |
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| Keywords: | Dinosauria Neoceratopsia Early Cretaceous Yixian Formation Liaoning Province China |
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