basis of recordKrynicki, J. A. (1837). Conchylia tam terrestria, quam fluviatilia et e maribus adjacentibus Imperii Rossici indigena, quae pro mutua offeruntur historiae naturalis cultoribus. <em>Bulletin de la Société Impériale des Naturalistes de Moscou.</em> 10 (2): 50-64. Moskva., available online athttp://biodiversitylibrary.org/page/41311962 page(s): 60 [details]