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Steklov, A.A. (1961). Pervaya v SSSR nakhodka iskopayemykh Strobilopsidae (Mollusca, Pulmonata) [The first discovery of fossil Strobilopsidae (Mollusca, Pulmonata) in the U.S.S.R.]. Paleontologicheskiy Zhurnal. 1961(4): 50-54.
Steklov, A.A. (1961). Pervaya v SSSR nakhodka iskopayemykh Strobilopsidae (Mollusca, Pulmonata) [The first discovery of fossil Strobilopsidae (Mollusca, Pulmonata) in the U.S.S.R.]. Paleontologicheskiy Zhurnal. 1961(4): 50-54.
