1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, 39 East Beijing Road, Nanjing 210008, China.
2. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02130, USA.
3. Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725, USA.
4. Department of Paleobiology, MRC-121, National Museum of Natural History, Washington, DC 20013–7012, USA.
5. Santa Fe Institute, 1399 Hyde Park Road, Santa Fe, NM 87591, USA.
6. Department of Earth Sciences, University of California, Riverside, CA 92521, USA.
7. Lorenz Center, Massachusetts Institute of Technology, Cambridge, MA 02139 USA.
8. Department of Geoscience, University of Calgary, Calgary, AB, Canada T2N 1N4.
9. CAS Key Laboratory of Crust-Mantle Materials and Environments, School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China.
10. School of Life and Environmental Sciences, Deakin University, Melbourne Campus, 221 Burwood Highway, Burwood, Victoria 3125, Australia.
11. Department of Geology, China University of Mining and Technology, Beijing Campus, D-11 Xueyuan Road, Beijing 100083, China.
12. University of Bremen, Leobener Street, Marum, Room 2520, 28359 Bremen, Germany.
13. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu 221008, China.
14. Jiangsu Geological Survey of Architectural Institute, Xuzhou, Jiangsu 221116, China.