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Khalfin L.L. (1950). The lamellibranchiate mollusks of the coal-bearing deposits of Kuzbass [= Пластинчатожаберные моллюски угленосных отложений Кузбасса]. Trudy Gorno-Geologicheskogo Instituta Zapadno-Sibirskogo Filiala AN SSSR. 9: 1-159. [In Russian].