original description
Clapp, G. H. (1906). Notes on <i>Carychium</i> and description of a new variety. <em>The Nautilus.</em> 19(12): 138-140, pl. 8., available online at https://www.biodiversitylibrary.org/page/1755719
page(s): 139, pl. 8, figs. 1-2, 6-7 [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): 139, pl. 8, figs. 1-2, 6-7 [details]
From editor or global species database
Type locality Kennebunkport, Maine [details]