LANDSNAIL & FRESHWATER FAMILIES
ACAVIDAE.
ANNULARIIDAE
ACHATINIDAE
AMPULLARIIDAE
ARIOPHANTIDAE
BYTHINIIDAE
BRADYBAENIDAE
BULIMULIDAE
BULIMINIDAE
CAMAENIDAE
CARYCHIIDAE
CERIONIDAE
CLAUSILIIDAE
CHONDRINIDAE
CHONDROPOMATIDAE
CYCLOPHORIDAE
COCHLICOPIDAE
DISCIDAE
DORCASIIDAE
DIPLOMMATIDAE
ENDODONTIDAE
ENIDAE
FERUSSACIIDAE
HAPLOTREMATIDAE
HELMINTHOGLYPTIDAE
HELICARIONIDAE
HELICINIDAE
HELICIDAE.
MEGALOMASTOMIDAE
MEGABULIMULIDAE
MELANOPSIDAE
MEGASPIRIDAE
MYCETOPODIDAE
ODONTOSTOMATIDAE
ORCULIDAE
ORTHALICIDAE
POLYGYRIDAE
POMATIASIDAE
POTERIIDAE
PUPILLIDAE
PUPINIDAE
PHYSIDAE
PLANORBIDAE
PLECTOPYLIDAE
PLEUROCERATIDAE
SPIRAXIDAE
STROPHOCHEILIDAE
SPHINCTEROCHILIDAE
SUBULINIDAE
STREPTAXIDAE
SOLAROPSIDAE
SUCCINEIDAE
TRUNCATELLIDAE
THIARIDAE
UROCOPTIDAE
UNIONIDAE
VIVIPARIDAE
VALVATIDAE
VALLONIIDAE
VERTIGINIDAE
ZONITIDAE