Яндекс.Метрика

Y.N. Zanin, A.G. Zamirailova, V.G. Eder

Выпуск: 6 , Год издания: 2012
Сериальное издание: The Open Geology Journal
Страницы: 25-31

Аннотация

Six species of four calcareous nannofossil genera (Ellipsagelosphaera Noлl,1965, Watznaueria Reinhardt, 1964, Cyclagelosphaera Noлl, 1965 and Tetralithus Gardet, 1955) from the black shale Bazhenov Formation of the West Siberian marine basin are described in layers, transitional from the Upper Jurassic (the Volgian-Tithonian Stage) to the Lower Cretaceous (the Berriasian Stage). Stratigraphically, the presence of the species of all genera in the Bazhenov Formation corresponds to the world data. Three new species (Ellipsagelosphaera bazhenovi Zanin sp.n., Watznaueria sp. and Tetralithus isopelxiros Zanin sp.n. have been determined
индекс в базе ИАЦ: 035124