BioStor
 | On the Lingual Dentition and Jaw of Certain Terrestrial Pulmonata from the United States, with Remarks on Their Systematic Value Thomas Bland and W G Binney (1873) Proceedings of The Academy of Natural Sciences of Philadelphia 25: 240-256 |
 | On the Jaw and Lingual Membrane of North American Terrestrial Pulmonata W G Binney (1875) Proceedings of The Academy of Natural Sciences of Philadelphia 27: 140-152 |
 | Preliminary Outline of a New Classification of the Helices Henry A Pilsbry (1892) Proceedings of The Academy of Natural Sciences of Philadelphia 44: 387-404 |
 | Distribution of the land and fresh-water mollusks of the West Indian region, and their evidence with regard to past changes of land and sea Charles Torrey Simpson (1895) Proceedings of The United States National Museum 17: 423-450 |
 | New names introduced by H. A. Pilsbry in the Mollusca and Crustacea William J Clench and Ruth D Turner (1962) Special Publication Academy of Natural Sciences of Philadelphia 4: 1-224 |
 | Classification and Nomenclator of Gastropod Families Philippe Bouchet and Jean-Pierre Rocroi (2005) Malacologia 47(1-2): 1-397 |