Jeffreys, J. G. (1830). A synopsis of the testaceous pneumonobranchous Mollusca of Great Britain. <em>Transactions of the Linnean Society of London.</em> 16: 323-392., available online athttps://www.biodiversitylibrary.org/page/2267914 page(s): 324, 362 [details]
original descriptionJeffreys, J. G. (1830). A synopsis of the testaceous pneumonobranchous Mollusca of Great Britain. <em>Transactions of the Linnean Society of London.</em> 16: 323-392., available online athttps://www.biodiversitylibrary.org/page/2267914 page(s): 324, 362 [details]