Traits taxon details
original description
(of Procopievskia recta Betekhtina, 1969 †) Betekhtina, O. A. (1969). Vestfal'skiye nemorskiye dvustvorchatyye mollyuski uglenosnykh otlozheniy Kuzbassa [Westphalian non-marine bivalve molluscs of coal-bearing deposits of Kuzbass]. In: Verkhniy paleozoy Sibiri i Dal'nego [Upper Paleozoic of Siberia and the Far East]. <em>Trudy Instituta geologii i geofiziki SO AN SSSR.</em> 68: 80-101. page(s): 100, pl. 19, figs 1-3, 5 [details] Available for editors
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