J Syst Evol ›› 2006, Vol. 44 ›› Issue (2): 161-164.DOI: 10.1360/aps050121

• Research Articles • Previous Articles     Next Articles

Parasphenopteris Sun & Deng, a new genus from the Lower Permian of Wuda, Nei Mongol, China

1SUN Ke-Qin*, 2DENG Sheng-Hui**   

  1. 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)
  • Received:2005-08-18 Published:2006-03-18

Abstract: 拟楔羊齿; 东方拟楔羊齿; 新属; 新种; 下二叠统; 乌达; 内蒙古; 中国Parasphenopteris orientalis Sun & Deng gen. & sp. nov. is described from the Shanxi (Shansi) Formation of the Lower Permian in the Wuda area of Nei Mongol, China. The new genus is characterized by having "stipules" at the base of penultimate pinnae and is quite different from all other known genera in the Paleozoic.

Key words: Parasphenopteris Sun & Deng, Parasphenopteris orientalis Sun & Deng, new genus, new species, Lower Permian, Wuda, Nei Mongol, China