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Abstract <p>A new radiolarian species <i>Nordvikella plana</i> sp. nov. (family Echinocampidae) is described from reworked Kimmeridgian phosphatic concretions from the basal horizon of Volgian Stage in the Dyakovo Section (Kolomenskoye, Moscow). The presence of Echinocampidae is recorded in the Upper Jurassic and Lower Cretaceous (from Oxfordian to Ryazanian) in the Panboreal Paleobiogeographic Superrealm.</p>

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A New Radiolarian Species Nordvikella plana sp. nov. from the Kimmeridgian Deposits of the Dyakovo Section (Kolomenskoye, Moscow)

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • N. Y. Bragin

摘要

Abstract

A new radiolarian species Nordvikella plana sp. nov. (family Echinocampidae) is described from reworked Kimmeridgian phosphatic concretions from the basal horizon of Volgian Stage in the Dyakovo Section (Kolomenskoye, Moscow). The presence of Echinocampidae is recorded in the Upper Jurassic and Lower Cretaceous (from Oxfordian to Ryazanian) in the Panboreal Paleobiogeographic Superrealm.