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GASTROPODA
 AGRIOLIMACIDAE |
 AMPULLARIIDAE |
 BRADYBAENIDAE |
 CAMAENIDAE |
 CEPOLIDAE |
 CERIONIDAE |
 EUCONULIDAE |
 FERUSSACIIDAE |
 GASTRODONTIDAE |
 HAPLOTREMATIDAE |
 HELICINIDAE |
 HELICODISCIDAE |
 HYDROBIIDAE |
 LYMNAEIDAE |
 MEGALOMASTOMIDAE |
 NEOCYCLOTIDAE |
 OLEACINIDAE |
 ORTHALICIDAE |
 PACHYCHILIDAE |
 PHYSIDAE |
 PLANORBIDAE |
 PLEURODONTIDAE |
 POLYGYRIDAE |
 POMATIIDAE |
 PRISTILOMATIDAE |
 PROSERPINIDAE |
 PUPILLIDAE |
 SAGDIDAE |
 SPIRAXIDAE |
 STREPTAXIDAE |
 STROBILOPSIDAE |
 SUBULINIDAE |
 SUCCINEIDAE |
 THIARIDAE |
 THYSANOPHORIDAE |
 TRUNCATELLIDAE |
 UROCOPTIDAE |
 VERONICELLIDAE |
 VERTIGINIDAE |
 VIVIPARIDAE |
 ZONITIDAE |