BioStor
 | Revision of the deep-water Mollusca of the Atlantic coast of North America, with descriptions of new genera and species. Part I..Bivalvia Addison E Verrill and Katherine J Bush (1898) Proceedings of The United States National Museum 20: 775-901 |
 | Studies on the deep sea Protobranchia: the subfamily Ledellinae (Nuculanidae) J A Allen and Fiona J Hannah (1989) Bulletin of the British Museum (Natural History) Zoology 55(2): 123-171 |