摘要
描述了产于内蒙古乌达地区下二叠统山西组的东方拟楔羊齿ParasphenopterisorientalisSun&Deng(新属新种)。该植物以末二次羽片基部着生有“托叶”为特征,区别于晚古生代其他已知植物。
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.
出处
《植物分类学报》
CSCD
北大核心
2006年第2期161-164,共4页
Acta Phytotaxonomica Sinica
基金
Supported by the Science and Technology Foundation of China University of Geosciences (Beijing), Grant No. 200405, and theNational Natural Science Foundation of China, Grant Nos. 49872008, 40372021.
关键词
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 Sun ＆ Deng, Parasphenopteris orientalis Sun ＆ Deng, new genus, new species, Lower Permian, Wuda, Nei Mongol, China.
