| 东秦岭下志留统的笔石 |
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| 引用本文： | 林尧坤.东秦岭下志留统的笔石[J].古生物学报,1996,35(6):672-685. |
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| 作者姓名： | 林尧坤 |
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| 作者单位： | 中国科学院南京地质古生物研究所 |
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| 基金项目： | 中国科学院古生物与古人类学科基础研究特别支持费资助 |
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| 摘 要： | 笔石采自河南淅川下志留统张湾组，其时代与华中区龙马溪组相当。包含Ｄ．ｔｒｉａｎｇｕｌａｔｕｓ，Ｏ．ｃｏｍｍｕｎｉｓ和Ｍ．ｓｅｄｇｗｉｃｋｉｉ３个笔石带，可以与国内外同时代笔石带相对比。共记述正笔石目２科９属１５种，其中含２新种和１新亚种。
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| 关 键 词： | 笔石 下志留世 东秦岭 |
LOWER SILURIAN GRAPTOLITES FROM EASTERN QINLING MOUNTAINS |
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| Lin Yao-kun.LOWER SILURIAN GRAPTOLITES FROM EASTERN QINLING MOUNTAINS[J].Acta Palaeontologica Sinica,1996,35(6):672-685. |
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| Authors: | Lin Yao-kun |
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| Abstract: | The Lower Silurian graptolites described in the present paper were collected from theeastern Qinling Mountains (Houwan and Shiyanhe, Xichuan County of Henan Province)where the graptolite beds are called the Zhangwan Formation, about 100m in thickness.According to Wang De--you and others (1984) this formation is composed of yellowishbrown thin--bedded silty mudstone and light grey medium--bedded fine--grained sandstone inlithological character. The graptolites were collected from the middle--upper part of thisformation. The strata show a mixed or alternate factes of the intergrowth graptolites andshell fossils. |
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| Keywords: | graptolite Lower Silurian eastern Qinling |
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