torna a Terrestri
terrestri e delle acque interne
GASTROPODA
 ACICULIDAE |
 ACROLOXIDAE |
 AGRIOLIMACIDAE |
 ANCYLIDAE |
 ARIONIDAE |
 BITHYNIIDAE |
 BOETGEREILLIDAE |
 BRADYBAENIDAE |
 CHONDRINIDAE |
 CLAUSILIIDAE |
 COCHLICOPIDAE |
 COCHLOSTOMATIDAE |
 DAUDEBARDIIDAE |
 DISCIDAE |
 ELLOBIIDAE |
 EMMERICIIDAE |
 ENIDAE |
 EUCONULIDAE |
 FERUSSACIIDAE |
 GASTRODONTIDAE |
 HELICIDAE |
 HELICODISCIDAE |
 HYDROBIIDAE |
 HYGROMIIDAE |
 LIMACIDAE |
 LYMNAEIDAE |
 MELANOPSIDAE |
 MILACIDAE |
 NERITIDAE |
 OLEACINIDAE |
 ORCULIDAE |
 PHYSIDAE |
 PLANORBIDAE |
 PLEURODISCIDAE |
 POMATIASIDAE |
 PUNCTIDAE |
 PUPILLIDAE |
 PYRAMIDULIDAE |
 PYRGULIDAE |
 SPELAEODISCIDAE |
 SPHINCTEROCHILIDAE |
 SUBULINIDAE |
 SUCCINEIDAE |
 TESTACELLIDAE |
 VALLONIIDAE |
 VALVATIDAE |
 VERTIGINIDAE |
 VITRINIDAE |
 VIVIPARIDAE |
 ZONITIDAE |