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1988年4—7月,我队在冀西北尚义县城南进行1:25000地质填图过程中,在哈拉沟村南、二沟梁、八号村一带的含煤地层中采到植物化石51块,经中科院植物研究所植物园古植物研究室段淑英博士鉴定,共7属11种,即:Coniopteris tatungensis:C.cf.hymenophylloides;Cladophlebis asiatica;C.sp.;Equisetites laterale;Phoenicopsis sp.;Pilyophyllum
From April to July 1988, our team adopted 1: 25000 geological mapping in the south of Shangyi County, northwestern Hebei Province, and collected fossil plants from the coal-bearing strata in the south of Haragou Village, Ergouliang and No. 8 Village 51 blocks, identified by the Chinese Academy of Sciences Institute of Botany, Institute of Botany, Duan Shuying, a total of 7 genera and 11 species, namely: Coniopteris tatungensis: C.cf.hymenophylloides; Cladophlebis asiatica; C.sp .; Equisetites laterale; Phoenicopsis sp; Pilyophyllum