1. Department of Vertebrate Paleontology, Natural History Museum of Los Angeles County, Los Angeles, CA, USA
2. Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China
3. Department of Integrative Biology University of California, Berkeley, CA, USA
4. Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, China
5. Administration Station of Cultural Relics of Xilin Gol League, Xilin Hot, China