MolluscaBase name details
original description
Newcomb, W. (1864). Descriptions of nine new species of <i>Helix</i> inhabiting California. <em>Proceedings of the California Academy of Sciences.</em> (1) 3: 115-119.
page(s): 118 [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]
additional source
Barker, G. M. (1999). Naturalised terrestrial Stylommatophora (Mollusca: Gastropoda). <em>Fauna of New Zealand 38: 1-254.</em> [details]