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, China
3. Dinosaur Trackers Research Group, University of Colorado Denver, Denver, CO, USA
4. Saurierwelt Paläontologisches Museum Alte Richt 7, Neumarkt, Germany
5. Sinopec Star Petroleum Corporation, Guangdong, China
6. Mace Brown Museum of Natural History, Department of Geology and Environmental Geosciences, College of Charleston, Charleston, SC, USA