basis of recordSilantiev, V. V. (2018). Permian Nonmarine Bivalve Mollusks: Review of Geographical and Stratigraphic Distribution. <em>Paleontological Journal.</em> 52(7): 707-729., available online athttps://doi.org/10.1134/s0031030118070092 page(s): 709 [details] Available for editors [request]