original description
Pilsbry, H. A. (1935). Mollusks of the fresh-water Pliocene beds of the Kettleman Hills and neighboring oil fields, California. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 86: 541-570. Philadelphia.
page(s): 564-565, pl. 23, figs 6-9 [details] Available for editors [request]
basis of record
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 201 [details] Available for editors [request]
source of synonymy
Taylor, D. W. (1966). Summary of North American Blancan nonmarine mollusks. <em>Malacologia.</em> 4(1): 1-172, pls 1−8., available online at https://www.biodiversitylibrary.org/page/13147234
page(s): 124 [details]
From editor or global species database
Type locality Shell Oil Comp. locality K-14, Kettleman Hills, North Dome, Kings County, California, United States; Tulare Formation, Pleistocene [details]