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GASTROPODA
 BRADYBAENIDAE |
 CAMAENIDAE |
 CHAROPIDAE |
 DIPLOMMATINIDAE |
 EPIPHRAGMOPHORIDAE |
 FERUSSACIIDAE |
 GASTRODONTIDAE |
 HELICIDAE |
 HELICINIDAE |
 HELICODISCIDAE |
 MEGASPIRIDAE |
 NEOCYCLOTIDAE |
 OLEACINIDAE |
 ORTHALICIDAE |
 OXYCHILIDAE |
 PLEURODONTIDAE |
 PROSERPINIDAE |
 PUNCTIDAE |
 PYRAMIDELLIDAE |
 SCOLODONTIDAE |
 STREPTAXIDAE |
 STROPHOCHEILIDAE |
 SUBULINIDAE |
 SUCCINEIDAE |
 VALLONIIDAE |
 VERTIGINIDAE |