A new ornithischian dinosaur from the Cretaceous Liangtoutang Formation of Tiantai,Zhejiang Province,China |
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| Institution: | 1. Zhejiang Museum of Natural History, No. 6 of Westlake Cultural Square, Hangzhou, Zhejiang 310014, China;2. Fukui Prefectural Dinosaur Museum, Katsuyama, Fukui 911-8601, Japan;3. Hydrogeological and Engineering Geological Brigade of Zhejiang Province, Ningbo, Zhejiang 315010, China;1. Oxford University Museum of Natural History, Parks Road, Oxford OX1 3PW, UK;2. Palaeontological Institute and Museum, University of Zurich, Karl-Schmid-Strasse 4, 8006 Zurich, Switzerland;3. Department of Earth Sciences, University of Oxford, South Parks Road, Oxford OX1 3AN, UK;4. University of Alaska Museum and Department of Geology and Geophysics, University of Alaska Fairbanks, 907 Yukon Drive, Fairbanks, AK 99775, USA;5. European Synchrotron Radiation Facility, 71 Avenue des Martyrs, 38000 Grenoble, France;6. Department of Zoology and Laboratory of Ornithology, Palacký University, 17 listopadu 50, 771 46 Olomouc, Czech Republic;7. Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, UK;8. School of Geosciences and Evolutionary Studies Institute, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg, Braamfontein 2000, South Africa;9. Museum of Comparative Zoology and Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA, USA;1. Laboratório de Sistemática e Tafonomia de Vertebrados Fósseis, Departamento de Geologia e Paleontologia, Museu Nacional/UFRJ, Quinta da Boa Vista, s/nº, São Cristóvão, 20940-040, Rio de Janeiro, RJ, Brazil;2. Universidade Estácio de Sá, Rua André Rocha, 838, Taquara, 22710-560, Rio de Janeiro, RJ, Brazil;3. Museu de Ciências da Terra, CPRM. Av. Pasteur, 404, Urca, 22290-240, Rio de Janeiro, RJ, Brazil;1. Badlands Dinosaur Museum, Dickinson Museum Center, Dickinson, ND, USA;2. Museum of the Rockies, Montana State University, Bozeman, MT, USA;3. Varricchio Lab, Department of Earth Sciences, Montana State University, Bozeman, MT, USA;4. Dept. Natural Sciences, Dickinson State University, Dickinson, ND, USA;5. Dept. Biological Sciences, University of Wisconsin-Parkside, Kenosha, WI, USA;6. San Francisco, CA, USA;7. Chapman University, Orange, CA, USA;1. Biodiversity and Conservation Research Unit, Walai Rukhavej Botanical Research Institute, Mahasarakham University, Maha Sarakham 44150, Thailand;2. Dinosaur Research Unit, Mahasarakham University, Maha Sarakham 44150, Thailand;3. Department of Biology, Faculty of Science, Mahasarakham University, Maha Sarakham 44150, Thailand;4. Palaeontological Research and Education Centre, Mahasarakham University, Maha Sarakham 44150, Thailand;5. Phu Wiang Fossil Research Center and Dinosaur Museum, Khon Kaen 40150, Thailand;1. College of Paleontology, Shenyang Normal University, Shenyang, Liaoning 110034, China;2. Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China;3. Laboratory of Systematics and Taphonomy of Fossil Vertebrates (LAPUG), Departamento de Geologia e Paleontologia, Museu Nacional/Universidade Federal do Rio de Janeiro, Quinta da Boa Vista s/n, São Cristóvão, Rio de Janeiro 20940-040, Brazil;4. College of Earth Sciences, Jilin University, Changchun 130061, China;5. Laboratory of Vertebrate Paleontology and Animal Behavior, Center for Natural and Human Sciences, Federal University of ABC, Alameda da Universidade s/n, São Bernardo do Campo, Anchieta, SP 09606-045, Brazil;6. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | A new ornithischian dinosaur, Yueosaurus tiantaiensis gen. et sp. nov., is erected based on a partial postcranial skeleton from the Liangtoutang Formation (Aptian–Cenomanian) of Zhejiang Province, China. It differs from other ornithischians in possessing the following unique combination of characters: prominent and slightly ventrally directed cervical parapophyses; anteroposteriorly narrow neural spines on caudal vertebrae; scapula with a ventroscapular groove, supraglenoidal buttress, supraglenoid fossa, and a strong anteroventral expansion of the scapular blade. Yueosaurus represents the first basal ornithopod taxon from southeastern China. It expands our understanding of the Cretaceous dinosaurian fauna of Zhejiang Province. |
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