New radiolarian species of the family Pseudoaulophacidae Riedel from the Upper Cretaceous of the Volga Region

被引：0

作者：

V. S. Vishnevskaya

机构：

[1] Russian Academy of Sciences,Geological Institute

来源：

Paleontological Journal | 2007年 / 41卷

关键词：

Radiolaria; Pseudoaulophacidae; new taxa; Upper Cretaceous; Volga Region;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

New radiolarians from the Upper Cretaceous (Coniacian-Santonian) siliceous beds outcropping northwest of Saratov, at the villages of Mezino-Lapshinovka and Vishnevoe are described. Three new species, Alievium olferievi sp. nov., A. rozanovi sp. nov., and Pseudoaulophacus alekseevi sp., are established. They are distinguished by the pseudoaulophacoid star-shaped structure of the shell wall. The terminology and taxonomic characteristics used in the description of new taxa are discussed. Radiolarian species are of great importance for stratification and correlation of Cretaceous deposits.

引用

页码：489 / 500

页数：11

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