MolluscaBase name details
original description
Baker, F. C. (1928). The Mollusca of Chautauqua Lake, New York, with descriptions of a new variety of <i>Ptychobranchus</i> and of <i>Helisoma</i>. <em>The Nautilus.</em> 42(2): 48-60., available online at http://biodiversitylibrary.org/page/8518825
page(s): 57 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project.
page(s): 57 [details]