MolluscaBase name details
original description
Benson, W. H. (1860). Notes on <i>Plectopylis</i>, a group of Helicidae distinguished by several internal plicate epiphragms; with the characters of a new species. <em>The Annals and Magazine of Natural History, Series 3.</em> 5(28): 243-247., available online at https://biodiversitylibrary.org/page/18658580
page(s): 244, 246 [details]