Class Scaphopoda Bronn, 1862 - tusk shells Family Dentaliidae Children, 1834 Genus Dentalium Linnaeus, 1758 Subgenus Laevidentalium Cossmann, 1888 see Genus Laevidentalium Cossmann, 1888 †Dentalium pseudorakhiense F.E. Eames, 1952