• Order Dentaliida
  • Dentaliidae
  • Gadilinidae
  • Laevidentaliidae
  • Omniglyptidae
• Order Gadilida
  • Gadilidae
  • Entalinidae
  • Pulsellidae
  • Siphonodentaliidae

* At this time, only shelled marine mollusks are included in this classification scheme. The other types of mollusks will be added at a later date.

The above material has been adapted from Dr. Rosenberg's The Encyclopedia of Seashells, published by Robert Halt, Ltd., London, 1992.