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https://doi.org/10.1134/S0869593811060037

has been cited by the following article:

• TITLE: Macrofossil Assemblages in the Ryazanian Stage (Lower Cretaceous) of the Stratotype Region

  AUTHORS: Olga S. Urman, Boris N. Shurygin, Oksana S. Dzyuba

  KEYWORDS: Fossil Mollusks, Brachiopods, Ryazanian, Central Russia

  JOURNAL NAME: Open Journal of Geology, Vol.9 No.10, September 20, 2019

  ABSTRACT: The stratotype region of the Ryazanian stage is located in the Oka River Basin near Ryazan, Central Russia. Since ammonites are very well studied here, we investigated other groups of macrofossils. We report a large number of bivalve genera: Arctica, Astarte, Buchia, Camptonectes, Chlamys, Ctenostreon, Entolium, Gomomya, Gresslya, Hartwellia, Lima, Meleagrinella, Modiolus, Oxytoma, and Pleuromya. The belemnites are represented by two cylindroteuthidid genera, Acroteuthis and Liobelus. In addition, brachiopods (Rhynchonellidae and Terebratulidae) and unidentifiable gastropod fragments have been revealed. The highest taxonomic diversity of macrofauna is observed in the Surites spasskensis ammonite Zone.