前言 本文描述的腹足类化石系邝国敦、吴诒、韦仁彦和李家骧于1985年在柳州市郊新圩乡附近测制剖面时采集的。该地区石炭系过去未发现化石,根据1971年1:20万区域调查资料将其划分为岩关阶、大塘阶及大埔组(图1)。在测制大塘阶上部剖面时,于泥岩的薄层 Preface The gastropod fossils of the gastropods described in this article were collected by Kuang Guo-Tun, Wu Mi, Wei Ren-Yan, and Li Jia-Dan in 1985 when they were profiled near the Xinwei Township in the suburb of Liuzhou. In the past, no fossils were found in the Carboniferous in the area. According to the 1: 200,000 regional survey data in 1971, they were divided into Yan Guantai, Datangtai and Dapujian (Figure 1). In the determination of the upper section of the Datang stage, in the thin layer of mudstone