basis of recordVerduin A. (1982). On the taxonomy and variability of recent european species of the genus <i>Bittium</i> Leach (Mollusca, Gastropoda, Prosobranchia). <i>Basteria 46</i>: 93-120, available online athttp://natuurtijdschriften.nl/download?type=document&docid=596759 note: treated as valid species [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality