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华中、西南地区临湘组及其相当层位三叶虫的研究,过去已有不少报道,但主要局限于描述工作。有关这一三叶虫动物群的特征及其时代分析,报道甚少。为了探讨这个问题, 笔者从1980年开始,先后几次在浙江、贵州、四川、湖南、湖北、陕西等地的上奥陶统临湘组及其相当层位采集了大量的三叶虫化石,经详细研究对这一动物群的性质及其时代提出一点粗浅的看法。
There have been many reports on the research on the trilobite in the Linxiang Formation and its equivalent strata in central and southwestern China, but the main limitation is the descriptive work. There are few reports on the characteristics and age analysis of this trilobite fauna. In order to explore this issue, the author collected a large number of trilobite fossils on the Upper Ordovician Linxiang Formation and its equivalent strata several times in Zhejiang, Guizhou, Sichuan, Hunan, Hubei and Shaanxi since 1980, After a detailed study of the nature of this fauna and its era a little superficial view.