[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Phylum Mollusca Linnaeus, 1758 - molluscs
     Class Scaphopoda Bronn, 1862 - tusk shells
       1 Family Dentaliidae Children, 1834
       2 Family Fustiariidae Steiner, 1991
       3 Family Gadilinidae Chistikov, 1975
       4 Family Entalinidae Chistikov, 1979
       5 Family Pulsellidae Boss, 1982
       6 Family Gadilidae Stoliczka, 1868