The skeleton fragments of a new ichthyosaur species, Kazakhstanosaurus efimovi Yakupova et Akhmedenov sp. nov., from the Middle Volgian substage of the Upper Jurassic of the Middle Volga region (Ulyanovsk region, Gorodishche ...

© The author(s). The archaeological explorations on the island of Sviyazhsk, which are conducted more actively in recent years, allowed discovering the complicated history of ancient days hidden and buried deep in the ...

Abstract: The species diversity of representatives of the genus Permotheca from the Middle Permian localities Kostovaty and Chepanikha of the Kama region is studied. A new species P.? musaformis sp. nov. is described. The ...