| New Evidence of Sauropod Dinosaurs from the Early Jurassic Period of Thailand |
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| 作者姓名： | LAOJUMPON Chali SUTEETHORN Varavudh CHANTHASIT Phornphen LAUPRASERT Komsorn SUTEETHORN Suravech |
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| 作者单位： | 1 Department of Biology, Faculty of Science, Mahasarakham University, Khantarawichai, Mahasarakham 44150, Thailand,2 Palaeontological Research and Education Centre, Mahasarakham University, Khamrieng, Maha Sarakham 44150, Thailand,3 Sirindhorn Museum,Department of mineral resources, SahatSakhan, Kalasin 46310, Thailand,1 Department of Biology, Faculty of Science, Mahasarakham University, Khantarawichai, Mahasarakham 44150, Thailand and 1 Department of Biology, Faculty of Science, Mahasarakham University, Khantarawichai, Mahasarakham 44150, Thailand；2 Palaeontological Research and Education Centre, Mahasarakham University, Khamrieng, Maha Sarakham 44150, Thailand |
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| 摘 要： |
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| 收稿时间： | 2016/11/16 0:00:00 |
| 修稿时间： | 2017/5/10 0:00:00 |
New Evidence of Sauropod Dinosaurs from the Early Jurassic Period of Thailand |
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| Authors: | LAOJUMPON Chalid SUTEETHORN Varavudh CHANTHASIT Phornphen LAUPRASERT Komsorn and SUTEETHORN Suravech |
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| Institution: | 1. Department of Biology, Faculty of Science, Mahasarakham University, Khantarawichai, Thailand;2. Palaeontological Research and Education Centre, Mahasarakham University, Khamrieng, Thailand;3. Sirindhorn Museum, Department of mineral resources, SahatSakhan, Thailand |
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| Abstract: | The oldest dinosaur assemblages of Thailand deposit in continental sedimentary rocks of the Nam Phong Formation. Not only Isanosaurus attavipatchi was discovered but at least two more species of basal sauropods were found. A partial skeleton from Phu Hin Tan locality refers to sauropod taxon A. It is different from Isanosaurus and shares some characteristics with basal sauropods in the Early Jurassic. The sauropod taxon B was found in Non Sra Ard locality. Base on postcranial skeleton, sauropod taxon B shares some characteristics of the family Vulcanodontidae. Moreover, several fragments of the sauropods specimen are also found in Pha Khok Wang Yang and Phu Noi localities. All of the evidences above indicate that there are a highly diversity of sauropods in the Nam Phong Formation. At least three sauropod species (including Isanosaurus) were found in the Nam Phong formation. The issue about the age of the Nam Phong has been debated for a long time between the Triassic and Jurassic age. All of sauropodomorphs, in this study, are more likely the Early Jurassic period dinosaurs than the Triassic period dinosaurs. And they have deposited in the upper part of Nam Phong Formation. |
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| Keywords: | Isanosaurus sauropod dinosaurs Early Jurassic Nam Phong Formation Thailand |
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