Marine Gastropods
ACTEONIDAE
AMPHIBOLIDAE
ANCILLARIIDAE
ANGARIIDAE
APLUSTRIDAE
APORRHAIDAE
ARCHITECTONICIDAE
ARENEIDAE
BABYLONIIDAE
BATILLARIIDAE
BELLOLIVIDAE
BORSONIIDAE
BUCCINANOPSIDAE
BUCCINIDAE
BULLIDAE
BURSIDAE
CALLIOSTOMATIDAE
CALYPTRAEIDAE
CANCELLARIIDAE
CARYCHIIDAE
CASSIDAE
CAVOLINIIDAE
CERITHIIDAE
CERITHIOPSIDAE
CHILODONTIDAE
CLAVATULIDAE
COLLONIIDAE
COLUBRARIIDAE
COLUMBELLIDAE
COMINELLIDAE
CONIDAE
CORALLIOPHILIDAE
COSTELLARIIDAE
CYLICHNIDAE
CYMATIIDAE
CYPRAEIDAE
CYSTISCIDAE
DOLABELLIDAE
EATONIELLIDAE
ELLOBIIDAE
EPITONIIDAE
ERATOIDAE
EULIMIDAE
FASCIOLARIIDAE
FICIDAE
FISSURELLIDAE
HALIOTIDAE
HAMINOEIDAE
HARPIDAE
HIPPONICIDAE
JANTHINIDAE
LIOTIIDAE
LITIOPIDAE
LITTORINIDAE
LOTTIIDAE
MARGARITIDAE
MARGINELLIDAE
MELONGENIDAE
MITRIDAE
MODULIDAE
MURICIDAE
NACELLIDAE
NASSARIIDAE
NATICIDAE
NERITIDAE
OLIVIDAE
OVULIDAE
PATELLIDAE
PECTINODONTIDAE
PERSONIDAE
PHASIANELLIDAE
PISANIIDAE
PLANAXIDAE
POTAMIDIDAE
PRODOTIIDAE
PYRAMIDELLIDAE
RETUSIDAE
RINGICULIDAE
RISSOIDAE
RISSOINIDAE
ROSTELLARIIDAE
SCAPHANDRIDAE
SERAPHSIDAE
SIPHONARIIDAE
SOLARIELLIDAE
STROMBIDAE
TEGULIDAE
TEREBRIDAE
TONNIDAE
TRIPHORIDAE
TRIUMPHIDAE
TRIVIIDAE
TROCHIDAE
TRUNCATELLIDAE
TUDICLIDAE
TURBINIDAE
TURRIDAE
TURRITELLIDAE
VASIDAE
VERMETIDAE
VOLUTIDAE
ZEBINIDAE
Marine Bivalves
ANOMIIDAE
ARCIDAE
CARDIIDAE
CARDITIDAE
CHAMIDAE
CORBULIDAE
CRASSATELLIDAE
CYRENOIDIDAE
DONACIDAE
FIMBRIIDAE
GLOSSIDAE
GLYCYMERIDIDAE
ISOGNOMONIDAE
LASAEIDAE
LIMIDAE
LUCINIDAE
MACTRIDAE
MESODESMATIDAE
MYIDAE
MYTILIDAE
NUCULANIDAE
NUCULIDAE
PECTINIDAE
PHOLADIDAE
PLICATULIDAE
PROPEAMUSSIIDAE
PSAMMOBIIDAE
PTERIIDAE
SEMELIDAE
SOLECURTIDAE
SOLENIDAE
SPONDYLIDAE
TELLINIDAE
UNGULINIDAE
VENERIDAE
Polyplacophora
ACANTHOCHITONIDAE
CHITONIDAE
ISCHNOCHITONIDAE
MOPALIIDAE
Scaphopods
DENTALIIDAE
GADILIDAE
Land Snails
ACAVIDAE
ACHATINIDAE
ANNULARIIDAE
ARIOPHANTIDAE
BOTHRIEMBRYONTIDAE
BULIMULIDAE
CAMAENIDAE
CEPOLIDAE
CERIONIDAE
CHAROPIDAE
CHONDRINIDAE
CLAUSILIIDAE
CYCLOPHORIDAE
DIPLOMMATINIDAE
DISCIDAE
DYAKIIDAE
ENIDAE
GASTROCOPTIDAE
GASTRODONTIDAE
GEOMITRIDAE
HELICARIONIDAE
HELICELLIDAE
HELICIDAE
HELICINIDAE
HELICODONTIDAE
HELMINTHOGLYPTIDAE
HYGROMIIDAE
HYPSELOSTOMATIDAE
MEGALOSTOMATIDAE
ORPHAICIDAE
ORTHALICIDAE
OXYCHILIDAE
PLEURODONTIDAE
POLYGYRIDAE
POMATIASIDAE
PROSERPINIDAE
PUNCTIDAE
PUPINIDAE
SAGDIDAE
SOLAROPSIDAE
SPHINCTEROCHILIDAE
STREPTAXIDAE
SUCCINEIDAE
TRISSEXODONTIDAE
VALLONIIDAE
VITRINIDAE
ZACHRYSIIDAE
ZONITIDAE
Freshwater Gastropods
AMPULLARIIDAE
ASSIMINEIDAE
BITHYNIIDAE
BYTHINELLIDAE
CHILINIDAE
EMMERICIIDAE
HYDROBIIDAE
LYMNAEIDAE
MELANOPSIDAE
PACHYCHILIDAE
PHYSIDAE
PLANORBIDAE
PLEUROCERIDAE
POMATIOPSIDAE
SEMISULCOSPIRIDAE
SYNCERATINIDAE
TATEIDAE
THIARIDAE
VALVATIDAE
VIVIPARIDAE
Freshwater Bivalves
CORBICULIDAE
PISIDIIDAE
SPHAERIIDAE
UNIONIDAE