MolluscaBase name details
original description
Stearns, R. E. C. (1893). Report on the land and fresh-water shells collected in California and Nevada by the Death Valley Expedition, including a few additional species obtained by Dr. C. Hart Merriam and assistants in parts of the southwestern United States. <em>North American Fauna.</em> 7:269-283.
page(s): 277, fig. 1 [details]
additional source
Pilsbry, H. A. (1899). Catalogue of the Amnicolidae of the western United States. <em>The Nautilus.</em> 12(11): 120-127., available online at https://www.biodiversitylibrary.org/page/27056754#page/446/mode/1up
page(s): 121-122 [details]
From editor or global species database