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GASTROPODA
 ACLIDIDAE |
 ACTEONIDAE |
 AEGIRETIDAE |
 AEOLIDIIDAE |
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 AKERIDAE |
 ALDISIDAE |
 AMATHINIDAE |
 ANABATHRIDAE |
 ANCISTROCHEIRIDAE |
 ANISOCYCLIDAE |
 APLUSTRIDAE |
 APLYSIIDAE |
 ARCHITECTONICIDAE |
 ASSIMINEIDAE |
 ATLANTIDAE |
 BABAKINIDAE |
 BARLEEIDAE |
 BOSELLIDAE |
 BUCCINIDAE |
 BULLIDAE |
 BURSIDAE |
 CAECIDAE |
 CALIPHYLLIDAE |
 CALMIDAE |
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 CANCELLARIIDAE |
 CAPULIDAE |
 CARINARIIDAE |
 CASSIDAE |
 CAVOLINIIDAE |
 CERITHIIDAE |
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 CHROMODORIDIDAE |
 CINGULOPSIDAE |
 COCCULINIDAE |
 COLUBRARIIDAE |
 COLUMBELLIDAE |
 CONIDAE |
 CORALLIOPHILIDAE |
 COSTELLARIIDAE |
 CYLICHNIDAE |
 CYMBULIIDAE |
 CYPRAEIDAE |
 CYSTISCIDAE |
 DENDRODORIDIDAE |
 DESMOPTERIDAE |
 DIAPHANIDAE |
 DISCODORIDIDAE |
 DOLABRIFERIDAE |
 DORIDIDAE |
 DOTIDAE |
 DRILLIIDAE |
 ELACHISINIDAE |
 ELLOBIDAE |
 ELYSIIDAE |
 EPITONIIDAE |
 ERATOIDAE |
 EUBRANCHIDAE |
 EULIMIDAE |
 FACELINIDAE |
 FASCIOLARIIDAE |
 FAVORINIDAE |
 FIONIDAE |
 FISSURELLIDAE |
 FLABELLINIDAE |
 FOSSARIIDAE |
 GLAUCIDAE |
 GONIODORIDIDAE |
 GYMNODORIDIDAE |
 HALIOTIDAE |
 HAMINOEIDAE |
 HANCOCKIIDAE |
 HERMAEIDAE |
 HYDROBIIDAE |
 IRAVADIIDAE |
 JANTHINIDAE |
 KENTRODORIDIDAE |
 LAMELLARIIDAE |
 LIMACINIDAE |
 LIMAPONTIINAE |
 LITTORINIDAE |
 LOTTIIDAE |
 MARGINELLIDAE |
 MATHILDIDAE |
 MITRIDAE |
 MURICIDAE |
 NASSARIIDAE |
 NATICIDAE |
 NERITIDAE |
 OLIVIDAE |
 OMALOGYRIDAE |
 ONCHIDIIDAE |
 OVULIDAE |
 OXYNOIDAE |
 PATELLIDAE |
 PERACLIDAE |
 PERSONIDAE |
 PHILINIDAE |
 PHYLLIDIIDAE |
 PHYLLIROIDAE |
 PLACOBRANCHIDAE |
 PLATYDORIDIDAE |
 PLEUROBRANCHIDAE |
 PNEUMODERMATIDAE |
 POLYCERIDAE |
 PROPILIDIINAE |
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 PYRAMIDELLIDAE |
 RANELLIDAE |
 RETUSIDAE |
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 ROSTANGIDAE |
 RUNCINIDAE |
 SCISSURELLIDAE |
 SEGUENZIIDAE |
 SILIQUARIIDAE |
 SIPHONARIIDAE |
 SKENEIDAE |
 SKENEOPSIDAE |
 TEREBRIDAE |
 TERGIPEDIDAE |
 TETHYDIDAE |
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 TRIOPHIDAE |
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 TURRITELLIDAE |
 TYLODINIDAE |
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 XENOPHORIDAE |
 ZEPHYRINIDAE |