BioStor
 | The entomology of the Mid-Alpine zone of Custer County Colorado Cockerell T.d.a. (1893) Transactions of the American Entomological Society 20: 305-370 |
 | Additions to the Museum (1897) Proceedings of The Academy of Natural Sciences of Philadelphia 49: 557-564 |
 | A New American Genus of Arionidæ Henry A Pilsbry (1903) Proceedings of The Academy of Natural Sciences of Philadelphia 55: 626-629 |
 | 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 |
 | Hesperarion mariae (Gastropoda: Arionidae: Ariolimacinae), a new slug species from Oregon Branley Allan Branson (1991) Transactions of the Kentucky Academy of Science 52: 109-110 |
 | Classification and Nomenclator of Gastropod Families Philippe Bouchet and Jean-Pierre Rocroi (2005) Malacologia 47(1-2): 1-397 |