梁艳,唐鹏

• 1:中国科学院南京地质古生物研究所

摘要(Abstract)：

研究了华南上扬子区5条出露完好的下、中奥陶统剖面的生物地层,识别出了研究区下奥陶统至上奥陶统底部8个几丁虫带及2个几丁虫亚带,由下至上分别是Lagenochitina pestovoensis带,Euconochitina symmetrica带,未命名带1,Desmochitina maotaiensis带,Sagenachitina dapingensis带,Lagenochitina esthonica elongate带,未命名带2,Laufeldochitina stentor带,Cyathochitinasp.3亚带及Armoricochitina granulifera亚带。这些化石带与区内同期笔石带、牙形类带以及区外主要块体同期几丁虫带可以进行对比。

关键词(KeyWords)： 生物地层;几丁虫;奥陶纪;上扬子区

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(No.41221001,41290260)资助

作者(Author): 梁艳,唐鹏

DOI: 10.19839/j.cnki.dcxzz.2016.02.003

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• 1本文在该类标本中明确发现了底突构造,因而认为其还是应该归为Conochitina属。