MolluscaBase name details
original description
(of Helix clarkii I. Lea, 1858) Lea I. (1858). Descriptions of a new <i>Helix</i> and two new <i>Planorbis</i>. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 10: 41 [after 30 March; before 19 April]., available online at https://biodiversitylibrary.org/page/47535581
page(s): 41 [details]
basis of record
InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]