supported by grants from China Geological Survey (No. 1212011120116);the Natural Science Foundation of China (Nos. 41072022 and 41210001);the International S & T Cooperation Project of China (No. 2009DFA32210);the Outlay Research Fund of the Institute of Geology, Chinese Academy of Geological Sciences (No. J1213);a contribution to a bilateral research project supported by the Chinese Ministry of Science and Technology and the Belgian Federal Science Policy Office (BL/36/C54)
Twenty-seven moss specimens collected from the Guangfayong section (Early Miocene,22.1 Ma) of the Weichang District,North China were investigated in the present study.Based on the morphological and anatomical featur...