Phylum Mollusca Linnaeus, 1758 - molluscs
   Conchifera Gegenbaur, 1878 see Subphylum Conchifera Gegenbauer, 1878
     Class Scaphopoda Bronn, 1862 - tusk shells
       Order Dentaliida Starobogatov, 1974
         01 Family Anulidentaliidae Chistikov, 1975
         02 Family †Baltodentaliidae Engeser & Riedel, 1992 [monotypic]
         03 Family Calliodentaliidae Chistikov, 1975 [monotypic]
         04 Family Dentaliidae Children, 1834
         05 Family Fustiariidae Steiner, 1991 [monotypic]
         06 Family Gadilinidae Chistikov, 1975
         07 Family Laevidentaliidae Palmer, 1974
         08 Family Omniglyptidae Chistikov, 1975 [monotypic]
         09 Family †Prodentaliidae Starobogatov, 1974 [monotypic]
         10 Family Rhabdidae Chistikov, 1975 [monotypic]
         11 Genus †Progadilina Palmer, 1974, incertae sedis
         12 Genus †Suevidontus Engeser, Riedel & Bandel, 1993, incertae sedis