Abstract
Tesakova, e.M., DeMiDov, s.M., Guzhov, a.v., RoGov, M.a., kiselev, D.N. (2012): Middle Oxfordian - Lower Kimmeridgian ostracod zones from the Mikhalenino section (Kostroma region) and their comparison with synchronous strata of the Eastern and Western Europe. - N. Jb. Geol. Palaont. Abh., 266: 000-000; Stuttgart. Abstract: The study focuses on Oxfordian-Kimmeridgian ostracods from the Mikhalenino sec- tion (Kostroma region, Russia). In the Upper Oxfordian - Lower Kimmeridgian (Densiplicatum - Bauhini ammonite Zones) we distinguished ostracod zones: Sabacythere attalicata - Eucytherura costaeirregularis (Densiplicatum Zone), Eucyterura - Tethysia (Tenuiserratum to Bauhini Zone). In the lower Kimmeridgian, Kitchini ammonite Zone (Subkitchini Subzone), we identified ostracod zones Schuleridea triebeli, Neurocythere jakovlevae - Klentnicella rodewaldensis and Galliaecyth- eridea fragilis. A comparison has been made between the beds with the ostracod fauna from the Mikhalenino section and coeval strata from Western and Eastern Europe. In addition, a new species, Neurocythere jakovlevae kolpeNskaya in Tesakova et al., sp. nov., was described from the Lower Kimmeridgian, Kitchini Zone, Subkitchini Subzone.
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