Class Scaphopoda Bronn, 1862 - tusk shells
   Order Dentaliida Starobogatov, 1974
     Family Laevidentaliidae Palmer, 1974
       1 Genus Laevidentalium Cossmann, 1888
       2 Genus †Pipadentalium Yoo, 1988
       3 Genus †Rhytiodentalium Pojeta & Runnegar, 1979
       4 Genus †Scissuradentalium Yoo, 1988