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甘肃高台早白垩世下沟组轮藻化石
引用本文:王启飞,杨景林,卢辉楠.甘肃高台早白垩世下沟组轮藻化石[J].微体古生物学报,2003,20(2):187-198.
作者姓名:王启飞  杨景林  卢辉楠
作者单位:中国科学院南京地质古生物研究所,南京,210008
基金项目:中国科学院资源环境领域知识创新工程重要方向课题 ( KZCX2 -114 ),国家重点基础研究发展规划 ( G2 0 0 0 0 7770 0 )资助项目
摘    要:本文报道了甘肃省高台县马营河剖面下沟组上部轮藻化石5属6种、1相似种和1未定种:Clypeator jiuquanensis (S. Wang) L. Grambast, Aclistochara huihuibaoensis S. Wang, A. cf. huihuibaoensis S. Wang,Mesochara stipitata (S. Wang) Z. Wang, Mesochara crassistipitata Zhang et Meng, Peckisphaera paragranulifera(S. Wang) Fu et Lu, Sphaerochara valida (Z. W. Li) comb. nov. , Sphaerochara sp.。讨论相关种的国内外地层分布,将下沟组上部地质时代归为早白垩世巴雷姆期。

关 键 词:轮藻  下沟组  早白垩世  高台县  甘肃  化石

SOME EARLY CRETACEOUS CHAROPHYTES CHAROPHYTES FROM GAOTAI COUNTY,GANSU OF NW CHINA
Abstract.SOME EARLY CRETACEOUS CHAROPHYTES CHAROPHYTES FROM GAOTAI COUNTY,GANSU OF NW CHINA[J].Acta Micropalaeontologica Sinica,2003,20(2):187-198.
Authors:Abstract
Abstract:The charophytes studied in this paper were obtained from the Xiagou Formation of Mayinghe section in Gaotai County of Gansu Province, including 7 species: Clypeator jiuquanen-sis (S. Wang) L. Grambast, Aclistochara huihuibaoensis S. Wang, A. cf. huihuibaoensis S. Wang, Mesochara stipitata (S. Wang) Z. Wang, Mesochara crassistipitata Zhang et Meng, Peckisphaera paragranulifera (S. Wang) Fu et Lu, Sphaerochara valida (Z. W. Li) comb. nov., Sphaerochara sp. According to the stratigraphic range and distribution of charophytes, the present authors attribute the upper part of Xiagou Formation to early Cretaceous, probably Barremian.
Keywords:Charophytes    Xiagou Formation    Early Cretaceous  Gaotai County    Gansu  
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