Muricoidea

Gastropoda
      Caenogastropoda
                  Neogastropoda
                              Muricoidea
                                    Costellariidae
                                    Cystiscidae
                                    Harpidae
                                    Marginellidae
                                    Muricidae
                                    Pleioptygmatidae
                                    Turbinellidae
                                    Volutidae
                                    Volutomitridae