黔北桐梓戴家沟志留纪几丁虫生物组合及其对比EARLY SILURIAN CHITINOZOANS AND BIOSTRATIGRAPHY IN DAIJIAGOU OF TONGZI,GUIZHOU PROVINCE
张淼,陈孝红,王传尚,李志宏,张保民,陈绵琨
摘要(Abstract):
系统介绍黔北桐梓戴家沟剖面志留纪地层和古生物特征,龙马溪组上部石牛栏组下部的几丁虫化石自下而上可以划分为Bursachitina rectangularis和Eisenackitina dolioliformis组合,与同期地层中牙形石和笔石化石的分布特点相结合,讨论了几丁虫组合的特点及其与笔石、牙形石的对比关系。
关键词(KeyWords): 生物地层;几丁虫;牙形石;龙马溪组;牛石栏组;志留系;桐梓;贵州
基金项目(Foundation): 中国地质调查局项目(No.1212011121103,1212011220050)
作者(Author): 张淼,陈孝红,王传尚,李志宏,张保民,陈绵琨
DOI: 10.19839/j.cnki.dcxzz.2012.04.004
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