BioStor
 | XVI.—Further contribution towards a check-list of the non-Marine Molluscan fauna of South Africa, with descriptions of fourteen new species James Cosmo Melvill and John Henry Ponsonby (1899) Annals And Magazine of Natural History 4: 192-200 |
 | Anatomy and systematics of the western Atlantic Ellobiidae (Gastropoda: Pulmonata) (1996) Malacologia 37: 163-332 |