Radiolarians from upper Cenomanian sediments of the Aimaki section (Dagestan Republic)
Journal: Stratigraphy and Geological Correlation
Year: 2015

In the Upper Cretaceous Aimaki section (Dagestan), upper Cenomanian sediments encompassing to the OAE-2 Event yielded the first radiolarians including Archaeospongoprunum sp. cf. A. archaeobipartitum Bragina, Crucella irwini Pessagno, Distylocapsa veneta (Squinabol), Pseudodictyomitra pseudomacrocephala (Squinabol), and others. By its composition, this assemblage is typical of the Mediterranean belt, being similar to previously described coeval assemblages from the Crimea, western Caucasus, and