Traits taxon details
original description
Plotnikov, M. A. (1949). K poznaniyu fauny tatarskogo yarusa rr. Sukhony i Maloy Severnoy Dviny [To the knowledge of the fauna from the Tatarian Stage of the Sukhona and Malaya Severnaya Dvina rivers]. <em>Yezhegodnik Vsesoyuznogo Paleontologicheskogo Obshchestva.</em> 13: 91-96, pl. 10. page(s): 93-94, pl. 10, figs 8, 9 [details] Available for editors 
basis of record
Silantiev, V. V. (2018). Permian Nonmarine Bivalve Mollusks: Review of Geographical and Stratigraphic Distribution. <em>Paleontological Journal.</em> 52(7): 707-729., available online at https://doi.org/10.1134/s0031030118070092 page(s): 711 [details] Available for editors 
additional source
Urazaeva, M. N. (2018). Revision of Late Permian nonmarine bivalves of the genus <i>Opokiella</i> Plotnikov, 1949. <em>Paleontological Journal.</em> 52(7): 768-776., available online at https://doi.org/10.1134/s0031030118070122 [details] Available for editors 
additional source
Gusev, A. K. (1990). Nemorskiye dvustvorchatyye mollyuski verkhney permi Yevropeyskoy chasti SSSR [Upper Permian non-marine bivalves of the European part of the USSR]. Izdatel'stvo Kazanskogo universiteta, Kazan, 295 pp. page(s): 198-199, pl. 10, figs 11, 12 [details] Available for editors 
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