Cyathodonta undulata Conrad, 1849
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| Paleontology of Coyote Mountain, Imperial County, California G Dallas Hanna (1926) Proceedings of the California Academy of Sciences 14: 427-503 | |
| Invertebrate megafossils of the Belvedere expedition to the Gulf of California (1964) Transactions of The San Diego Society For Natural History 13: 333-368 | |
| A quantitative analysis of molluscan collections from Isla Espíritu Santo, Baja California, Mexico A Myra Keen (1964) Proceedings of the California Academy of Sciences 30: 175-206 |