living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Mollusca Linnaeus, 1758 - molluscs
           Class Scaphopoda Bronn, 1862 - tusk shells
             Order Dentaliida Starobogatov, 1974
               1 Family Dentaliidae Children, 1834
               2 Family Laevidentaliidae Palmer, 1974
               3 Family Gadilinidae Chistikov, 1975
               4 Family Omniglyptidae Chistikov, 1975