Khalfin, L. L. (1974). Opredelitel' rannedevonskikh peletsipod Gornogo Altaya [Key to Early Devonian pelecypods of the Altai Mountains]. Trudy Sibirskogo nauchno-issledovatel'skogo instituta geologii, geofiziki i mineral'nogo syr'ya (SNIIGGIMS). 164: 1-105.
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Khalfin, L. L.
1974
Opredelitel' rannedevonskikh peletsipod Gornogo Altaya [Key to Early Devonian pelecypods of the Altai Mountains]
Trudy Sibirskogo nauchno-issledovatel'skogo instituta geologii, geofiziki i mineral'nogo syr'ya (SNIIGGIMS)