摘要
本文报道了内蒙赤峰平庄西露天矿杏园组的植物化石和植物群特征。讨论了该植物群与辽宁沙河子组及内蒙固阳群之间的关系,并与日本及东亚相应植物群进行了比较。对新种——平庄似银杏(Ginkgoites pingzhangensis sp.nov.)除作了光学的表皮角质层制片外,还作了扫描电镜的观察。发现新种与东方似银杏相近,外形较特殊,是介于拜拉(Baiera)与似银杏(Ginkgoites)两属之间的一种过渡类型。
This paper reports fossil plants from Xingyuan Formation,Pingzhuang Chifeng,Nei Monggol of China.The relationships between this flora and Fuxin Formation are discussed.We have also considered the relationship between this flora and the Japanese Late Jurassic flora. Meanwhile,We have described the new species——Ginkgoites pingzhangensis,and studied its cutical under both optical microscope and scanning electron microscope.
关键词
植物化石
杏园组
内蒙古
Fossil plants:Cutical
Xingyuan formation
