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Sergeeva, M. T. (1960). Prisnovodni peletsypody z nyzhnʹoho ta serednʹoho karbonu zakhidnoho prodovzhennya Donbasu [Freshwater bivalves from the Lower and Middle Carboniferous of the western extension of Donbass]. Heolohichnyy zhurnal. 20(5): 88-93.
Sergeeva, M. T. (1960). Prisnovodni peletsypody z nyzhnʹoho ta serednʹoho karbonu zakhidnoho prodovzhennya Donbasu [Freshwater bivalves from the Lower and Middle Carboniferous of the western extension of Donbass]. Heolohichnyy zhurnal. 20(5): 88-93.