湖北郧西寒武纪微古植物群及其意义

在湖北郧西县发现寒武纪微古植物共１２属２８种，它们以刺球藻类大量出现为主要特征，刺球藻约占微古植物组合的６０％，球藻类约占３５％，其他类型的我占５％。上述微古植物组合特征，在我国云南昆明以及欧洲，北美一些地区的寒武系中可见到，这一组合特征充分显示出寒武纪的特点。

Cambrian Microflora in Yunxi, Hubei and Its Stratigraphic Significance

Microplants, including 12 genera and 28 species, have been discovered in the Cambrian of Yunxi county, Hubei. The features of the microplant assemblage are as follows: the elements of Acanthomorphida are dominant, accounting for about 60% ; the elements of Sphaerorphida take second place, making up about 35%; other types represent about 5%. The features of the microplant assemblage mentioned above are reported in the Cambrian in Kunming, Yunnan, China , and in some areas of Europe and North America, which fully show the Cambrian features.