Cadulus perpusillus (Sowerby, 1832)
| Report on a collection of shells from Peru, with a summary of the littoral marine Mollusca of the Peruvian zoological province William Healey Dall (1909) Proceedings of The United States National Museum 37: 147-294 | |
| 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 |