中文摘要：

作为主要制片人，在早古生代的海洋的生态系统代表了食物链的底的 acritarchs 形成了其分布可能另外的动物志影响那些的海洋的浮游植物社区。有他们的分布的生态的集合由环境因素控制了的十 acritarch 在 Honghuayuan 的 Meitan 形成被认出节， Tongzi ，贵州省， Huanghuachang 的 Dawan 形成和 Houping 节的 Yingpan 形成， Chengkou ，通过簇的重庆和主要部件分析。

英文摘要：

As primary producers, acritarchs that represented the base of the food chain in the Early Paleozoic marine ecosystem formed the marine phytoplankton communities whose distributions might affect those of other faunas. Ten acritarch ecological assemblages with their distributions controlled by the environmental factors were recognized in the Meitan Formation of the Honghuayuan section, Tongzi, Guizhou Province, the Dawan Formation of the Huanghuachang and Daping section, Yichang, Hubei Province, and the Dacao Formation and the Yingpan Formation of the Houping section, Chengkou, Chongqing through cluster and principle component analysis.