Superfamily Achatinelloidea Family Achatinellidae Subfamily Achatinellinae Subfamily Strobilinae Subfamily Tornatellidinae Family PartulidaeSuperfamily Achatinoidea Family Achatinidae Family Ferussacidae Family Subulinidae Subfamily Subulininae Subfamily Rumininae Family Spiraxidae
Superfamily Acroloxoidea Family Acroloxidae
Superfamily Athoracophoroidea Family Athoracophoridae
Superfamily Arioniodea Family Arionidae Family Philomycidae Family Punctidae Family Helicodiscidae Family Endodontidae Family Charopidae Family Otoconchidae Family Discidae Family Thyrophorellidae Superfamily Bulimuloidea Family Bulimulidae Subfamily Orthalicoidea Family Odontostomidae Family Amphibulimulidae Family Urocoptidae Subfamily Urocoptinae Subfamily Johaniceraminae Subfamily Eucalodiinae Subfamily Holospirinae Subfamily Microceraminae Family Plectopylididae Family Sculptariidae
Superfamily Cochlicopoidea Family Amastridae Family Cochlicopidae
Superfamily Clausilioidea Family Megaspiridae Family Ceronidae Family Clausiliidae Subfamily Clausilinae Subfamily Baleinae Subfamily Mentissoidinae Subfamily Neniinae Subfamily Alopiinae Subfamily Phaedusinae Subfamily Garnieriinae Subfamily Serrulininae Subfamily Megalophaedusinae Subfamily Zaptychinae Superfamily Cyclophoroidea Family Cyclophoridae Subfamily Cyclophorinae Subfamily Spirostomatinae Subfamily Alycaeinae Subfamily Pterocyclinae Family Lareidae Family Poteriidae Family Megalomastomatidae Family Maizaniidae Family Pupinidae Subfamily Pupinellinae Family Diplommatinidae Subfamily Diplommatininae Subfamily Cochlostomatinae
Superfamily Ellobioidea Family Ellobiidae Subfamily Ellobiinae Subfamily Melampodinae Subfamily Pedipedinae Family Carychiidae
Superfamily Helicoidea Family Solaropsidae Family Camaenidae Subfamily Papuininae Family Xanthonychidae Subfamily Xanthonychinae Subfamily Helminthoglyptinae Subfamily Cepolinae Subfamily Oreohelicidae Subfamily Oopeltinae Family Bradybaenidae Subfamily Bradybaeninae Subfamily Helicostylinae Family Helicellidae Family Hygromiidae Subfamily Trichiinae Family Helicidae Subfamily Helicinae Subfamily Geomitrinae Subfamily Helicigoninae Subfamily Helicodontinae Family Sphincterochilidae
Superfamily Limacoidea Family Ariophantidae Subfamily Ariophantinae Subfamily Dyakiinae Family Boettgerillidae Family Cystopeltidae Family Daudebardiidae Family Vitrinidae Family Euconulidae Family Helixarionidae Family Limacidae Family Milacidae Family Otoconchidae Family Parmacellidae Family Systrophiidae Family Thyrophorellidae Family Trigonochlamydidae Family Trochomorphidae Family Urocyclidae Subfamily Urocyclinae Family Zonitidae
Superfamily Littorinoidea Family Annulariidae Family Pomatiasidae Subfamily Pomatiasinae Subfamily Cyclotopsinae
Superfamily Neritoidea Family Helicinidae Family Neritidae Subfamily Neritinae
Family Neritopsidae Superfamily Lymnaeoidea Family Lymnaeidae Subfamily Lymnaeinae Subfamily Lancinea
Superfamily Oleacinoidea Family Oleacinidae Family Sagdidae Family Testacellidae
Superfamily Physoidea Family Physidae
Superfamily Planorboidea Family Planorbidae
Superfamily Polygyroidea Family Polygyridae Subfamily Corillidae Family Thysanophoridae Family Ammonitellidae
Superfamily Pupilloidea Family Cerastuidae Family Vertiginidae Subfamily Truncatellininae Subfamily Nesopupinae Subfamily Vertigininae Family Pleurodiscidae Family Pupillidae Subfamily Pupillinae Subfamily Lauriinae Subfamily Gastrocoptinae Subfamily Hypselostomatinae Subfamily Aulacospirinae Family Valloniidae Subfamily Valloniinae Subfamily Acanthinulinae Family Strobilopsidae Family Orculidae Family Chondrinidae
Superfamily Rhytidoidea Family Rhytididae Family Chlamydephoridae Family Systrophiidae Family Haplotrematidae Family Caryodidae Family Macrocyclidae Family Chlamydephoridae
Superfamily Rissocoidea Family Hydrobiidae Subfamily Cochliopinae Subfamily Lithoglyphinae Family Pomatiopsidae
Superfamily Streptaxacea Family Streptaxidae Subfamily Enneinae
Superfamily Strophocheiloidea Family Strophocheilidae Family Megalobulimidae Family Dorcasiidae
Superfamily Succineoidea Family Aillyidae Family Succineidae Subfamily Succineinae Subfamily Catinellinae
Superfamily Valvatoidea Family Valvatidae
Superfamily Viviparoidea Family Viviparidae Family Ampullariidae Family Bithyniidae Family Hydrococcidae