1. Institute of Geology and Geophysics Chinese Academy of Sciences Beijing China
2. University of Chinese Academy of Sciences Beijing China
3. Applied Research Center Geological Survey of Iran Tehran Iran
4. School of Geography Geology and the Environment University of Leicester Leicester UK
5. Research Institute for Earth Sciences Geological Survey of Iran Tehran Iran
6. State Key Laboratory of Palaeobiology and Stratigraphy Nanjing Institute of Geology and Paleontology Chinese Academy of Sciences Nanjing China