MolluscaBase name details
original description
Godwin-Austen, H. H. (1875). Descriptions of five new Species of Helicidae of the Subgenus <i>Plectopylis</i>, with remarks on all the other known forms. <em>Proceedings of the Zoological Society of London.</em> 42 [“1874”] (4): 608-613, pls 73-74. London [April]., available online at https://biodiversitylibrary.org/page/28502797
page(s): 618, plate 73, fig. 5 [details]