Depositional environments and diagenesis of devonian black shales (Case study volga-ural Region, Russia) of Upper
Devonian formations from Volga-Ural region, Russian Federation. The main purpose of studying was a
Bryozoans and Brachiopods from the Famennian (Upper Devonian) of the Central Russian Platform of the Zadonsk Regional horizon (Lower Famennian, Upper
Devonian) have yielded two species of trepostome
Traditional and precision methods for studying porous space of oil-bearing formation (Upper
Devonian), and Tula and Bobrikovskian (Lower Carboniferous) horizons, as well as carbonate
Traditional and precision methods for studying porous space of oil-bearing formation (Upper
Devonian), and Tula and Bobrikovskian (Lower Carboniferous) horizons, as well as carbonate
A new genus of ptyctodont (Placodermi) from the late Devonian of Baltic area to as Chelyophorus pskovensis Obruchev, 1947 from the Early Frasnian (Late
Devonian) of Velikaya River, Pskov Region