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Martinson, G.G. (1962). Gastropody kontinental'nykh melovykh otlozheniy Zapadnoy Sibiri [Gastropods of continental Cretaceous deposits of Western Siberia]. Trudy Sibirskogo Nauchno-Issledovatel'skogo Instituta Geologii, Geofiziki i Mineral'nogo Syr'ya. 22: 213-217.
Martinson, G.G. (1962). Gastropody kontinental'nykh melovykh otlozheniy Zapadnoy Sibiri [Gastropods of continental Cretaceous deposits of Western Siberia]. Trudy Sibirskogo Nauchno-Issledovatel'skogo Instituta Geologii, Geofiziki i Mineral'nogo Syr'ya. 22: 213-217.