Sinum scopulosum (Conrad, 1849)
| The post-Eocene formations of Western Washington Charles E Weaver (1916) Proceedings of the California Academy of Sciences 6: 19-40 | |
| Climatic relations of the Tertiary and Quaternary faunas of the California Region James Perrin Smith (1919) Proceedings of the California Academy of Sciences 9: 123-173 | |
| An Upper Pleisto-cene fauna from the Baldwin Hills, Los Angeles County, California (1937) Transactions of The San Diego Society For Natural History 8: 379-406 | |
| The marine mollusks and brachiopods of Monterey Bay,California, and vicinity Allyn Goodwin Smith and Mackenzie Gordon Jr. (1948) Proceedings of the California Academy of Sciences 26: 147-245 |