Parasphenopteris Sun & Deng, a new genus from the Lower Permian of Wuda, Nei Mongol, China
1SUN Ke-Qin*, 2DENG Sheng-Hui**
1(State Key Laboratory of Geological Processes and Mineral Resources, Key Laboratory of Lithosphere Tectonics and Lithoprobing Technology of Ministry of Education, China University of Geosciences, Beijing 100083, China) 2(Research Institute of Petroleum Exploration and Development, Beijing 100083, China)
SUN Ke-Qin, DENG Sheng-Hui. Parasphenopteris Sun & Deng, a new genus from the Lower Permian of Wuda, Nei Mongol, China[J].Acta Phytotaxonomica Sinica, 2006, 44(2): 161-164.