Gastropoda
      Caenogastropoda
                  Neogastropoda
                              Buccinoidea
                                    Babyloniidae
                                    Belomitridae
                                    Buccinidae
                                    Colubrariidae
                                    Columbellidae
                                    Fasciolariidae
                                    Melongenidae
                                    Nassariidae
                              Cancellarioidea
                                    Cancellariidae
                              Conoidea
                                    Borsoniidae
                                    Clathurellidae
                                    Clavatulidae
                                    Cochlespiridae
                                    Conidae
                                    Conorbidae
                                    Drilliidae
                                    Horaiclavidae
                                    Mangeliidae
                                    Mitromorphidae
                                    Pseudomelatomidae
                                    Raphitomidae
                                    Strictispiridae
                                    Terebridae
                                    Turridae
                              Mitroidea
                                    Mitridae
                              Muricoidea
                                    Costellariidae
                                    Cystiscidae
                                    Harpidae
                                    Marginellidae
                                    Muricidae
                                    Pleioptygmatidae
                                    Turbinellidae
                                    Volutidae
                                    Volutomitridae
                              Olivoidea
                                    Olividae
                              Pseudolivoidea
                                    Pseudolividae
                                    Ptychatractidae