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A framework of ichthyofaunal eostratigraphy of the Oligocene - Early Miocene of the polish outer Carpathian Basin.
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Birkenmajer, K. & Jerzmańska, A. (1979)
Lower Triassic shark and other fish teeth from Hornsund, south Spitsbergen.
Studia Geologica Polonica, 60, 7–37