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Cretaceous Radiolaria from the Pieniny Succession, Pieniny Klippen Belt, Carpathians

Bąk Maria

Studia Geologica Polonica

1999

Vol. 115

91--115

This paper summarises investigations on radiolarian faunas from the Cretaceous deposits of the Pieniny Succession, Pieniny Klippen Belt, Polish Carpathians. Twenty one species of Radiolaria from the Upper Albian through the Coniacian deposits have been determined. The species determined belong to the orders Nassellaria (13 species) and Spumellaria (8 species). The assemblage analysed is dominated by spherical cryptothoracic and cryptocephalic Nassellaria, such as Holocryptocanium barbui Dumitrică, Hemicryptocapsa tuberosa Dumitrică, H. polyhedra Dumitrică, H. prepolyhedra Dumitrică, and Squinabollum fossile (Squinabol). This assemblage represents three radiolarian biozones: the Holocryptocanium barbui, the Hemicryptocapsa prepolyhedra and the Hemicryptocapsa polyhedra zones.