1. Key Laboratory of Vertebrate Evolution and Human Origins of the Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China
2. CAS Center for Excellence in Life and Paleoenvironment, Beijing, China
3. Department of Biology, North Carolina State University, Raleigh, NC, USA
4. North Carolina Museum of Natural Science, Raleigh, NC, USA
5. Department of Geology, Lund University, Lund, Sweden
6. Museum of the Rockies, Montana State University, Bozeman, MT, USA