The biostratigraphic analysis of conchostracans from the territory of Eastern Europe was based on the study of sections of the Middle-Upper Permian and Lower Triassic deposits of the Upper Volga, Middle Volga-Kama, ...
Abstract: The first sediment N-isotope data on the Permian–Triassic boundary transition of the Verkhoyansk region are obtained. Together with the other published materials on other regions of eastern Russia allow us to ...