First Jurassic dinosaur tracksite from Guizhou Province,China: morphology,trackmaker and paleoecology |
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| Authors: | Lida Xing Martin G. Lockley Lizhao Zhang Hendrik Klein Yuanwen Zheng Guangzhao Peng |
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| Affiliation: | 1. State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing, China;2. School of the Earth Sciences and Resources, China University of Geosciences, Beijing, Chinaxinglida@cugb.edu.cn;4. Dinosaur Trackers Research Group, University of Colorado Denver, Denver, CO, USA;5. Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China;6. Saurierwelt Pal?ontologisches Museum, Neumarkt, Germany;7. Bijie City Cultural Relics Bureau, Guizhou, China;8. Zigong Dinosaur Museum, Zigong, China |
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| Abstract: | AbstractSauropod tracks from the Early Jurassic Maanshan Member of the Ziliujing Formation in the Dazhuanwan area of Guizhou represent the first Jurassic dinosaur track record for this province. The best preserved and longest trackway is narrow gauge (Brontopodus type), and indicates a relatively small trackmaker (footprint length ~35.0 cm). In conjunction with sauropodomorph skeletal remains these tracks suggest that basal sauropodomorphs and primitive sauropods coexisted in this region during the Early Jurassic. This pattern is same in the Lufeng and Sichuan basins. Thus, sauropod tracks from southwest China are diverse in the Early Jurassic, and include narrow gauge Parabrontopodus, wide gauge Brontopodus-type, and basal sauropodomorph tracks. |
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| Keywords: | Sauropod basal sauropodomorpha, dinosaur footprints, Lower Jurassic, Guizhou |
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