original description(ofPlanorbis ehrenbergi H. Beck, 1837)Beck, H. (1837-1838). <i>Index molluscorum praesentis aevi musei principis augustissimi Christiani Frederici</i>. 124 pp. Hafniae [Copenhagen]. Pp. 1-100 [1837]; 101-124 [1838]; Appendix: 1-8 [June 1837]. , available online athttps://biodiversitylibrary.org/page/32058074 page(s): 119 [details]
basis of recordLindholm, W. A. (1915). Über Mollusken aus dem Delta-Gebiete des Amu-Darja. <em>Ezhegodnik Zoologicheskogo Muzeya Imperatorskoy Akademii Nauk (Annuaire du Musée Zoologique de l'Ácadémie Impériale des Sciences de Petrograd).</em> 19: 340-348., available online athttps://www.biodiversitylibrary.org/page/33778347 page(s): 343-344 [details]
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