BioStor
 | Eight aporrhaid gastropod species from the Cretaceous of the Pacific Slope of North America and clarification of the type species of Perissoptera (1998) Nautilus 111: 119-142 |
 | Classification and Nomenclator of Gastropod Families Philippe Bouchet and Jean-Pierre Rocroi (2005) Malacologia 47(1-2): 1-397 |