Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Scaphopoda Bronn, 1862 - tusk shells
     Order Dentaliida Starobogatov, 1974
       Family Laevidentaliidae Palmer, 1974
         1 Genus Laevidentalium Cossmann, 1888
         2 Genus Rhabdus Pilsbry & Sharp, 1897
         3 Genus Eboreidens Chistikov, 1975 see Genus Calliodentalium Habe, 1964