Pulmonata

Gastropoda
      Heterobranchia
            Pulmonata
                  Basommatophora
                              Amphiboloidea
                                    Amphibolidae
                              Ancyloidea
                                    Acroloxidae
                                    Ancylidae
                                    Physidae
                                    Planorbidae
                              Chilinoidea
                                    Chilinidae
                                    Latiidae
                              Ellobioidea
                                    Carychiidae
                                    Ellobiidae
                                    Otinidae
                              Lymnaeoidea
                                    Lymnaeidae
                              Siphonarioidea
                                    Siphonariidae
                                    Trimusculidae
                  Stylommatophora
                              Acavoidea
                                    Acavidae
                                    Caryodidae
                                    Clavatoridae
                              Achatinelloidea
                                    Achatinellidae
                              Achatinoidea
                                    Achatinidae
                                    Ferussaciidae
                                    Megaspiridae
                                    Subulinidae
                              Ariophantoidea
                                    Ariophantidae
                                    Euconulidae
                                    Helicarionidae
                                    Trochomorphidae
                                    Urocyclidae
                              Athoracophoroidea
                                    Athoracophoridae
                              Bulimuloidea
                                    Amphibulimidae
                                    Bulimulidae
                                    Cerionidae
                                    Odontostomidae
                                    Orthalicidae
                                    Urocoptidae
                              Clausilioidea
                                    Clausiliidae
                              Endodontoidea
                                    Arionidae
                                    Charopidae
                                    Discidae
                                    Endodontidae
                                    Helicodiscidae
                                    Philomycidae
                                    Punctidae
                              Gastrodontoidea
                                    Chronidae
                              Helicoidea
                                    Bradybaenidae
                                    Camaenidae
                                    Cochlicellidae
                                    Elonidae
                                    Epiphragmophoridae
                                    Helicidae
                                    Helminthoglyptidae
                                    Hygromiidae
                                    Oreohelicidae
                                    Pleurodontidae
                              Oleacinoidea
                                    Oleacinidae
                                    Spiraxidae
                              Partuloidea
                                    Draparnaudiidae
                                    Partulidae
                              Plectopyloidea
                                    Corillidae
                                    Plectopylidae
                              Polygyroidea (sf)
                                    Polygyridae
                                    Sagdidae
                                    Thysanophoridae
                              Pupilloidea
                                    Amastridae
                                    Argnidae
                                    Chondrinidae
                                    Cochlicopidae
                                    Enidae
                                    Hypselostomatidae
                                    Orculidae
                                    Pleurodiscidae
                                    Pupillidae
                                    Pyramidulidae
                                    Strobilopsidae
                                    Valloniidae
                                    Vertiginidae
                              Rhytidoidea
                                    Scolodontidae
                              Streptaxoidea
                                    Ammonitellidae
                                    Chlamydephoridae
                                    Haplotrematidae
                                    Rhytididae
                                    Streptaxidae
                              Strophocheiloidea
                                    Dorcasiidae
                                    Megalobulimidae
                                    Strophocheilidae
                              Succineoidea
                                    Succineidae
                              Testacelloidea
                                    Testacellidae
                              Zonitoidea
                                    Daudebardiidae
                                    Gastrodontidae
                                    Godwiniidae
                                    Limacidae
                                    Milacidae
                                    Oxychilidae
                                    Parmacellidae
                                    Pristilomatidae
                                    Vitrinidae
                                    Zonitidae
                  Systellommatophora
                              Onchidioidea
                                    Onchidiidae
                              Veronicelloidea
                                    Rathouisiidae
                                    Veronicellidae