Naugolnykh, S. V. (2014). Fossil flora from the Aleksandrovskoe locality (Lower Permian, Kungurian; Krasnoufimsk district of the Sverdlovsk Region): Taxonomical composition, taphonomy, and a new lycopsid representative. Paleontological Journal. 48(2): 209-217.
Fossil flora from the Aleksandrovskoe locality (Lower Permian, Kungurian; Krasnoufimsk district of the Sverdlovsk Region): Taxonomical composition, taphonomy, and a new lycopsid representative