MolluscaBase name details
original description
Hanna, G. D. (1926). Paleontology of Coyote Mountain, Imperial County, California. <em>Proceedings of the California Academy of Sciences, fourth series.</em> 14(18): 427-503, pl. 20-29., available online at https://www.biodiversitylibrary.org/page/3159770
page(s): 454, pl. 20 fig. 7 [details]