MolluscaBase name details
original description
(of Cochlostyla (Hypoptychus) Pilsbry, 1893) Pilsbry, H. A. (1893). Preliminary outline of a new classification of the helices. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 44: 387-400 [14 February 1893], 401-404 [7 February 1893]., available online at https://www.biodiversitylibrary.org/page/26370165
page(s): 395; note: nom. nov. pro Ptychostylus Möllendorff, 1888, non Sandberger, 1870 [details]
basis of record
Bank, R. A. (2017). Classification of the Recent terrestrial Gastropoda of the World. Last update: July 16th, 2017. [details]