1. School of Earth Sciences and Resources, China University of Geosciences, Beijing, China
2. State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing, China
3. Dinosaur Trackers Research Group, University of Colorado Denver, Denver, CO, USA
4. Kunming Natural Resources Comprehensive Investigation Center, China Geological Survey, Kunming, China
5. Saurierwelt Paläontologisches Museum, Neumarkt, Germany