MolluscaBase taxon details
original description
Clark, B. L. (1918). The San Lorenzo Series of middle California. A stratigraphic and palaeontologic study of the San Lorenzo Oligocene series of the general region of Mount Diablo, California. <em>University of California Publications, Bulletin of the Department of Geological Sciences.</em> 11(2): 45-234, pls. 3-24., available online at https://www.biodiversitylibrary.org/page/43342287
page(s): 179 [details]