D. S. Aristov
New Grylloblattida (Insecta) from the Middle and Upper Permian of the Russia.
Number: 188, Pages: 1 - 7
Two new genera and five new species of grylloblattids (Grylloblattida) are described from Permian of the Russia: Liomopterella kirovensis sp. n., Kostovatoprisca acuminata gen. et sp. n., Megakhosarina chepanikhensis sp. n. , Sigmophlebia udmurtica sp. n., and Kerbia aptera gen. et sp. n.