New Inoceramus-like bivalves of the genus Praekolymia Biakov from the Lower Permian of the western Verkhoyansk Region, northeastern Asia

Abstract

© 2014, Pleiades Publishing, Ltd. Historical development of Permian Inoceramus-like bivalves of the genus Praekolymia Biakov endemic to the Verkhoyansk-Okhotsk and Kolyma-Omolon provinces is briefly considered. Two new earliest representatives of the genus (Praekolymia kaschirtzevi sp. nov. and P. barajensis sp. nov.) from the Lower Permian of the western Verkhoyansk are described.