The first giant dinosaurs: a large sauropod from the Late Triassic of Thailand |
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Institution: | 1. CNRS, 16, cour du Liégat, 75013 Paris, France;2. Geological Survey Division, Department of Mineral Resources, Rama VI Road, Bangkok 10400, Thailand;3. Musée des Dinosaures, 11260 Espéraza, France;4. Geological Museum, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen K, Denmark;5. Faculty of Science, Mahasarakham University, Mahasarakham 44150, Thailand |
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Abstract: | Newly discovered sauropod material from the Upper Triassic of northeastern Thailand reveals that some of the earliest sauropods had already reached a very large size. A 1 m long humerus is within the size range of large Jurassic sauropods such as Camarasaurus and suggests an animal reaching a length of 12 to 15 m. It took sauropodomorph dinosaurs some 20 million years to produce giant forms, a rapid size increase when compared with that observed in the evolution of other dinosaurs, such as ornithischians. To cite this article: E. Buffetaut et al., C. R. Palevol 1 (2002) 103–109. |
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