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GASTROPODA
 ACLIDIDAE |
 ACTEONIDAE |
 ADDISONIIDAE |
 ADEORBIDAE |
 AEGIRETIDAE |
 AEOLIDIIDAE |
 AGLAJIDAE |
 AKERIDAE |
 AMATHINIDAE |
 ANABATHRIDAE |
 APLYSIIDAE |
 APORRHAIIDAE |
 ARCHITECTONICIDAE |
 ARMINIDAE |
 ASSIMINEIDAE |
 ATAPHRIDAE |
 ATLANTIDAE |
 BARLEEIDAE |
 BATHYSCIADIIDAE |
 BORSONIDAE |
 BOSELLIDAE |
 BUCCINIDAE |
 BULLIDAE |
 BURSIDAE |
 CAECIDAE |
 CALIPHYLLIDAE |
 CALLIOSTOMATIDAE |
 CALMIDAE |
 CALYPTRAEIDAE |
 CANCELLARIIDAE |
 CAPULIDAE |
 CARINARIIDAE |
 CASSIDAE |
 CAVOLINIIDAE |
 CERITHIIDAE |
 CERITHIOPSIDAE |
 CHILODONTIDAE |
 CHORISTELLIDAE |
 CHROMODORIDIDAE |
 CIMIDAE |
 CINGULOPSIDAE |
 CLATHURELLIDAE |
 CLAVATULIDAE |
 CLITOCERATIDAE |
 COCCULINIDAE |
 COLLONIIDAE |
 COLUMBELLIDAE |
 CONIDAE |
 CORAMBIDAE |
 CORNIROSTRIDAE |
 COSTELLARIIDAE |
 CYLICHNIDAE |
 CYMBULIIDAE |
 CYPRAEIDAE |
 CYSTISCIDAE |
 DENDRODORIDIDAE |
 DESMOPTERIDAE |
 DIALIDAE |
 DIAPHANIDAE |
 DISCODORIDIDAE |
 DOLABRIFERIDAE |
 DORIDIDAE |
 DOTIDAE |
 DRILLIDAE |
 EBALIDAE |
 ELACHISINIDAE |
 ELLOBIIDAE |
 EMBLETONIIDAE |
 ENTOCONCHIDAE |
 EPITONIIDAE |
 EUBRANCHIDAE |
 EULIMIDAE |
 FACELINIDAE |
 FASCIOLARIIDAE |
 FIONIDAE |
 FIROLIDAE |
 FISSURELLIDAE |
 FLABELLINIDAE |
 FOSSARIDAE |
 GASTROPTERIDAE |
 GLAUCIDAE |
 GONIODORIDIDAE |
 HALIOTIDAE |
 HAMINOEIDAE |
 HANCOCKIIDAE |
 HERMAEIDAE |
 HEROIDAE |
 HIPPONICIDAE |
 HORAICLAVIDAE |
 HYALOGYRINIDAE |
 HYDROBIIDAE |
 IRAVADIIDAE |
 JANTHINIDAE |
 LAMELLARIDAE |
 LEPETELLIDAE |
 LEPETIDAE |
 LIMACINIDAE |
 LIMAPONTIIDAE |
 LITIOPIDAE |
 LITTORINIDAE |
 LOMANOTIDAE |
 LOTTIIDAE |
 MADRELLIDAE |
 MANGELIIDAE |
 MARGINELLIDAE |
 MATHILDIDAE |
 MITRIDAE |
 MITROMORPHIDAE |
 MURICIDAE |
 NACELLIDAE |
 NASSARIIDAE |
 NATICIDAE |
 NERITIDAE |
 NOTARCHIDAE |
 NYESTELLIDAE |
 OBTORTIONIDAE |
 OMALOGYRIDAE |
 ONCHIDORIDIDAE |
 ORBITESTELLIDAE |
 OVULIDAE |
 OXYNOIDAE |
 PATELLIDAE |
 PEDICULARIIDAE |
 PENDROMIDAE |
 PERACLIDAE |
 PHASIANELLIDAE |
 PHILINIDAE |
 PHYLLIDIIDAE |
 PHYLLIROIDAE |
 PISEINOTECIDAE |
 PLACOBRANCHIDAE |
 PLANAXIDAE |
 PLATYHEDYLIDAE |
 PLEUROBRANCHIDAE |
 POLYCERIDAE |
 POTAMIDIDAE |
 PROCTONOTIDAE |
 PSEUDOCOCCULINIDAE |
 PSEUDOVERMIDAE |
 PYRAMIDELLIDAE |
 RANELLIDAE |
 RAPHITOMIDAE |
 RETUSIDAE |
 RINGICULIDAE |
 RISSOELLIDAE |
 RISSOIDAE |
 SCISSURELLIDAE |
 SCYLLAEIDAE |
 SILIQUARIIDAE |
 SIPHONARIIDAE |
 SKENEOPSIDAE |
 SMARAGDINELLIDAE |
 SOLARIELLIDAE |
 STOMATELLIDAE |
 STROMBIDAE |
 TERGIPEDIDAE |
 TETHYDIDAE |
 TJAERNOEIDAE |
 TONNIDAE |
 TORNIDAE |
 TRIMUSCULIDAE |
 TRIPHORIDAE |
 TRITONIIDAE |
 TRIVIIDAE |
 TROCHIDAE |
 TRUNCATELLIDAE |
 TURBINIDAE |
 TURRITELLIDAE |
 TYLODINIDAE |
 UMBRACULIDAE |
 VANIKORIDAE |
 VELUTINIDAE |
 VERMETIDAE |
 VOLUTIDAE |
 VOLVATELLIDAE |
 XENOPHORIDAE |
 XYLODISCULIDAE |