Parkhaev P.Yu. (2005). Two New Species of the Cambrian Helcionelloid Mollusks from the Northern Part of the Siberian Platform. Paleontological Journal. 39(6): 615-619. [Russian text see Paleontologicheskiy Zhurnal, 2005, No. 6. pp. 43-46].
379813
Parkhaev P.Yu.
2005
Two New Species of the Cambrian Helcionelloid Mollusks from the Northern Part of the Siberian Platform
Paleontological Journal
39(6): 615-619. [Russian text see Paleontologicheskiy Zhurnal, 2005, No. 6. pp. 43-46]