Ragozin, L.A. (1938). O nekotorykh peletsipodakh iz uglenosnyy tolshchi Tungusskogo basseyna [On some bivalves from the coal-bearing strata of the Tunguska basin]. Trudy Tomskogo Gosudarstvennogo Universiteta imeni V. V. Kuibysheva, Seriya G. Geologiya. 93: 127-146.
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Ragozin, L.A.
1938
O nekotorykh peletsipodakh iz uglenosnyy tolshchi Tungusskogo basseyna [On some bivalves from the coal-bearing strata of the Tunguska basin]
Trudy Tomskogo Gosudarstvennogo Universiteta imeni V. V. Kuibysheva, Seriya G. Geologiya