Pilsbry, H. A. (1889). Recent additions to the United States snail fauna. <em>The Nautilus.</em> 3(6): 61-64., available online athttps://www.biodiversitylibrary.org/page/12596472 page(s): 61; pl. 1, figs 6-7 [in Nautilus 3(7)] [details]
Type locality contained in Mexico, Baja California
type locality contained in Mexico [details] type locality contained in Baja California [details]
original descriptionPilsbry, H. A. (1889). Recent additions to the United States snail fauna. <em>The Nautilus.</em> 3(6): 61-64., available online athttps://www.biodiversitylibrary.org/page/12596472 page(s): 61; pl. 1, figs 6-7 [in Nautilus 3(7)] [details]