Khalfin, L. L. (1956). Plastinchatozhabernyye mollyuski uglenosnykh otlozheniy Kuznetskogo basseyna [Lamellibranch mollusks of coal-bearing sediments of the Kuznetsk basin]. In: Andreeva, E. M. et al. (eds) Atlas rukovodyashchikh form iskopayemykh fauny i flory permskikh otlozheniy Kuznetskogo basseyna [Atlas of the leading forms of fossil fauna and flora of the Permian deposits of the Kuznetsk basin]. Gosgeoltekhizdat, Moskva, pp. 32-56.
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Khalfin, L. L.
1956
Plastinchatozhabernyye mollyuski uglenosnykh otlozheniy Kuznetskogo basseyna [Lamellibranch mollusks of coal-bearing sediments of the Kuznetsk basin]. In: Andreeva, E. M. et al. (eds) Atlas rukovodyashchikh form iskopayemykh fauny i flory permskikh otlozheniy Kuznetskogo basseyna [Atlas of the leading forms of fossil fauna and flora of the Permian deposits of the Kuznetsk basin]