地质通报2011，Vol.30Issue(8)：1233-1237,5.
关于强壮弓笔石(Cyrtograptus robustus)的补充研究
Further studies of Cyrtograptus robustus
摘要
Abstract
A complete specimen of Cyrtograptus robustus Fu, 1986 was discovered in Ziyang County of Shaanxi Province. In this paper, the specimen is described, and characteristics of main stipe, cladium and thecal of Cyrtograptus robustus are restudied. The main stipe is wider than other Cyrt. Sp., and the number of thecae between successive cladium of Cy. Robustus becomes larger from the proximal part to the distal end. There are more first cladiums, but with no second cladium.关键词
Cytrograptus robustus/弓笔石/志留系/陕西紫阳地区Key words
Cyrtograptus robustus /graptolite/ Silurian/Ziyang area, Shaanxi分类
生物科学引用本文复制引用
王健,孟勇,王欣,黄洪平,傅力浦,张欣..关于强壮弓笔石(Cyrtograptus robustus)的补充研究[J].地质通报,2011,30(8):1233-1237,5.基金项目
中国地质调查局项目《陕西1:5万高滩幅、观音堂幅区域地质调查》(编号:基[2008]02-07-02)和《中国中志留统上部层位建阶研究》(编号:科[2011]01-49-05) （编号:基[2008]02-07-02）
