Jeffreys, J. G. (1847). Descriptions and notices of British shells. <i>Annals and. <em>Magazine of Natural History.</em> 19: 309-314., available online athttp://biodiversitylibrary.org/page/2266459 page(s): 310 [details]
original descriptionJeffreys, J. G. (1847). Descriptions and notices of British shells. <i>Annals and. <em>Magazine of Natural History.</em> 19: 309-314., available online athttp://biodiversitylibrary.org/page/2266459 page(s): 310 [details]