Gastropoda
      Caenogastropoda
                  Neogastropoda
                              Conoidea
                                    Borsoniidae
                                    Clathurellidae
                                    Clavatulidae
                                    Cochlespiridae
                                    Conidae
                                    Conorbidae
                                    Drilliidae
                                    Horaiclavidae
                                    Mangeliidae
                                    Mitromorphidae
                                    Pseudomelatomidae
                                    Raphitomidae
                                    Strictispiridae
                                    Terebridae
                                    Turridae