MolluscaBase name 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
Pilsbry, H. A. (1891). On <i>Helix harfordiana</i> Cooper, and other shells. <em>The Nautilus.</em> 5(4): 39-42, pl. 2., available online at https://www.biodiversitylibrary.org/page/42788782
page(s): 40-42, pl. 2, figs. 12-14 [details]