Lindholm, W.A. 1904. Zur molluskenfauna der Gouvernements Kursk und Orenburg. Ann. Mus. Zool. Acad. St. Pétersbourg 8(3-4): 338-344. https://www.biodiversitylibrary.org/page/39194088#page/78/mode/1up.
Lindholm, 1904. Ann. Mus. St. Pétersbourg 8(3-4): 343.
(intro'd as intra-sp. of Unio ater Nilsson, 1822)