MolluscaBase taxon details
original description
(of Daedalochila harfordiana J. G. Cooper, 1870) Cooper, J.G. (1870). On a new California helicoid land shell. American Journal of Conchology, 5(3): 196-197, plate 17.
page(s): 196, pl. 17, fig. 8 [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
Smith, A. G. (1931). <i>Polygyroidea harfordiana</i> (J. G. Coop.). <em>The Nautilus.</em> 44(3): 101., available online at https://www.biodiversitylibrary.org/page/8514963 [details]
From editor or global species database