BioStor
 | Supplementary notes on some species of mollusks of the Bering Sea and vicinity W H Dall (1887) Proceedings of The United States National Museum 9: 297-309 |
 | New Japanese marine Mollusca H A Pilsbry (1905) Proceedings of the Academy of Natural Sciences of Philadelphia 57: 101-122 |
 | The west American mollusks of the genus Cingula Paul Bartsch (1912) Proceedings of The United States National Museum 41: 485-488 |