Abstract

The morphological diversity and stratigraphic distribution of filamentous microfossils in the Vendian deposits of the Nepa Regional Stage of the interior of the Siberian Platform were analyzed. Hormogonian cyanobacteria of five genera (Nepia gen. nov., Talakania, Oscillatoriopsis, Obruchevella, and Siphonophycus) were identified in the composition of the Nepa biota. A monographic study was carried out, and a reproductive life cycle of the novel oscillatorian cyanobacterium Nepia calycina Golubkova, gen. et sp. nov. was reconstructed. The species Talakania obscura Kolosov, emend. was assigned to the polytrichomic cyanobacteria that are similar to the present-day genera Schizothrix and Microcoleus.

中文翻译：

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西伯利亚平台内部区域Nepa区域阶段的Vendian沉积物中的丝状蓝细菌

摘要

分析了西伯利亚平台内部Nepa区域阶段Vendian矿床中的丝状微化石的形态多样性和地层分布。在Nepa生物群的组成中，鉴定出五个属（Nepia gen.nov。，Talakania，Oscillatoriopsis，Obruchevella和Siphonophycus）的激素蓝藻。进行了专题研究，并研究了新的振荡蓝藻Nepia calycina Golubkova，gen的生殖生命周期。等。十一月 被重建。该物种Talakania obscura科洛索夫，补充。被分配到与现代的裂殖壶菌属和Microcoleus属相似的多毛蓝藻细菌。