MolluscaBase name details
original description
Arnold, R. (1903). The paleontology and stratigraphy of the marine Pliocene and Pleistocene of San Pedro, California. <em>Memoirs of the California Academy of Sciences.</em> 3: 1-420., available online at https://www.biodiversitylibrary.org/page/3136160
page(s): 251 [details]