Cenomanian Radiolarians and Stratigraphy of the Sel’-Bukhra Mountain Section, Republic of Crimea

New radiolarian data from the type section of the middle Cenomanian Pseudoaulophacus lenticulatus Zone located on the northern and southern slopes of the Sel’-Bukhra Mountain section (southwestern Crimea) are reported. The identification of five species ( Patulibracchium davisi Pessagno, Triactoma m...

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Bibliographic Details
Published in:Stratigraphy and geological correlation 2023-08, Vol.31 (4), p.313-327
Main Authors: Bragina, L. G., Bragin, N. Yu
Format: Article
Language:English
Subjects:
Archaeology
Earth and Environmental Science
Earth Sciences
Geophysics/Geodesy
Historical Geology
Mountains
Sedimentology
Stratigraphy
Structural Geology
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Summary:New radiolarian data from the type section of the middle Cenomanian Pseudoaulophacus lenticulatus Zone located on the northern and southern slopes of the Sel’-Bukhra Mountain section (southwestern Crimea) are reported. The identification of five species ( Patulibracchium davisi Pessagno, Triactoma micropora Bragina, Microsciadiocapsa sutterensis Pessagno, Obeliscoites maximus (Squinabol), and Rotaforma mirabilis Pessagno) previously unknown in the section of Crimea allowed us to complete the information available with data on the taxonomic diversity of Cenomanian radiolarians of Crimea. The description of the lower part of the upper Cenomanian Triactoma parva Zone from the southern slope of the Sel’-Bukhra Mountain section is reported. Both the Pseudoaulophacus lenticulatus and Triactoma parva zones include more than 60% of species distributed in the Tethyan Superrealm.
ISSN:0869-5938
1555-6263
DOI:10.1134/S0869593823040020