original description
Baker, F. C. (1911). The Lymnaeidae of North and Middle America, recent and fossil. <em>The Chicago Academy of Sciences, special publication.</em> 3: 1-539., available online at https://www.biodiversitylibrary.org/page/18164581
page(s): 221, pl. 28, figs. 9-11 [details]
From editor or global species database
Type locality USA, California, San Diego, Rose Canyon near Pacific Grove [details]