original descriptionJanssen, A. W. (1972). Die Mollusken-Fauna der Twistringer Schichten (Miocän) von Norddeutschland. <em>Scripta Geologica.</em> 10: 1-96, 11 pls., available online athttps://www.repository.naturalis.nl/document/148766 page(s): 63 [details]
source of synonymyJanssen, A. W. & Zorn, I. (1993). Revision of Middle Miocene holoplanktonic gastropods from Poland, published by the late Wilhelm Krach. <em>Scripta Geologica.</em> Special Issue 2 (9): 155-236., available online athttps://repository.naturalis.nl/pub/317304[details]
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