BioStor
 | Gleanings in British Chonchology J Gwyn Jeffreys (1858) Annals and Magazine of Natural History 1: 39-48 |
 | Pleistocene mollusks from the Tres Marias Islands, Cedros Island, and San Ignacio Lagoon, Mexico (1934) Bulletin of The Southern California Academy of Sciences 33: 59-73 |