BioStor
 | On the classification of the Cyclostomacea of Eastern Asia W T Blanford (1864) Annals and Magazine of Natural History 13: 441-465 |
 | IV.—On the terrestrial and fluviatile Mollusca of Trinidad R J Lechmere Guppy (1866) Annals And Magazine of Natural History 17: 42-56 |
 | XLI.—Notes on some Indian and Mascarene land-shells William T Blanford (1869) Annals And Magazine of Natural History 3: 340-344 |
 | On the Land Shells of the Island of Socotra collected by Prof. Bayley Balfour H H Godwin-Austen (1881) Proceedings of The Zoological Society of London 1881: 251-260 |
 | On the Freshwater Shells of the Island of Socotra I Bayley Balfour (1883) Proceedings of The Zoological Society of London 1883: 2-43 |
 | XXI.—Descriptions of new Species of Marine Shells, chiefly from Ceylon G B Sowerby (1905) Annals And Magazine of Natural History 16: 184-192 |
 | Classification and Nomenclator of Gastropod Families Philippe Bouchet and Jean-Pierre Rocroi (2005) Malacologia 47(1-2): 1-397 |