original descriptionJeffreys, J. G. (1847). Additional notices on British shells. <em>Annals and Magazine of Natural History.</em> 20: 16-19., available online athttp://biodiversitylibrary.org/page/2278648 page(s): 16 [details]
From editor or global species database
Type locality from neotype (Warén, 1980): Cork Harbour, Ireland [details]