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Superfamily Limacoidea
Family Limacidae
Family Boettgerillidae
Family Agriolimacidae
Family Trigonochlamydidae
Family Helicarionidae
Subfamily Helicarioninae
Subfamily Sesarinae
Subfamily Ereptinae
Subfamily Microcystinae
Family Aillyidae
Family Ariophantidae
Subfamily Dyakiinae
Subfamily Parmarioninae
Subfamily Girasiinae
Subfamily Macrochlamydinae
Subfamily Chroninae
Subfamily Durgellinae
Family Trochomorphidae
Family Urocyclidae
Subfamily Urocyclinae
Subfamily Trochozonitinae
Family Cystopeltidae

Superfamily Littorinoidae Family Pomatiasidae Subfamily Pomatiasinae Subfamily Cyclotopsinae Family Chondropomatidae Subfamily Chondropomatinae Subfamily Adamsiellinae Subfamily Choanopomatinae Subfamily Cistulopsinae Subfamily Rhytidopomatinae

Superfamily Neritoidea Family Neritidae Subfamily Neritinae

Superfamily Lymnaeoidea Family Lymnaeidae Subfamily Lymnaeinae Subfamily Lancinea

Superfamily Oleacinoidea Family Oleacinidae Family Testacellidae

Superfamily Partuloidea Family Partulidae

Superfamily Physoidea Family Physidae

Superfamily Planorboidea Family Planorbidae Subfamily Planorbinae Subfamily Helisomatinae Subfamily Rhodacmeinae Subfamily Bulininae

Family Ancyclidae Subfamily Ancylinae Subfamily Ferrissiinae Superfamily Polygyroidea Family Polygyridae Subfamily Triodopsinae Family Thysanophoridae Family Ammonitellidae Superfamily Pupilloidea Family Vertiginidae Subfamily Truncatellininae Subfamily Gastrocoptinae Subfamily Aulacospirinae Subfamily Nesopupinae Family Pleurodiscidae Family Pupillidae Subfamily Pupillinae Subfamily Lauriinae Family Valloniidae Family Strobilopsidae Family Orculidae Family Chondrinidae

Superfamily Rissoidea Family Hydrobiidae Subfamily Horatiinae Subfamily Cochliopinae Subfamily Lithoglyphinae Subfamily Amnicolinae Subfamily Tateinae

Family Bithyniidae Family Assimineidae

Superfamily Sagdoidea Family Sagdidae

Superfamily Streptaxoidea Family Streptaxidae Subfamily Enneinae

Superfamily Strophocheiloidea Family Strophocheilidae Family Megalobulimidae Family Dorcasiidae

Superfamily Succineoidea Family Succineidae Subfamily Succineinae Subfamily Catinellinae

Superfamily Valvatoidea Family Valvatidae

Superfamily Zonitoidea Family Zonitidae Family Vitrinidae Family Dauderbardiidae Family Parmacellidae

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