| Classis: POLIPLACOPHORA | |
| Familia: LEPTOCHITONIDAE | |
| Familia: HANLEYIDAE | |
| Familia: AFOSSOCHITONIDAE | |
| Familia: ISCHNOCHITONIDAE | |
| Familia: MOPALIIDAE | |
| Familia: SCHIZOCHITONIDAE | |
| Familia: CHITONIDAE | |
| Familia: CRYPTOPLACIDAE | |
| Familia: ACANTHOCHITONIDAE | |
| Classis: MONOPLACOPHORA | |
| OrdO: TRYBLIDIIDA | |
| Familia: NEOPILINIDAE | |
| Familia: VEMIDAE | |
| Familia: MONOPLACOPHORIDAE | |
| Familia: LAEVIPILINIDAE | |
| Classis: GASTROPODA | |
| Subclassis: PROSOBRANCHIA | |
| Ordo: ARCHAEOGASTROPODA | |
| Familia: PLEUROTOMARIIDAE | |
| Familia: SCISSURELLIDAE | |
| Familia: HALIOTIDAE | |
| Familia: FISSURELLIDAE | |
| Familia: ACMAEIDAE | |
| Familia: LOTTIIDAE | |
| Familia: PATELLIDAE | |
| Familia: LEPETIDAE | |
| Familia: LEPETELLIDAE | |
| Familia: PSEUDOCOCCULINIDAE | |
| Familia: COCCULINELLIDAE | |
| Familia: ADDISONIIDAE | |
| Familia: CHORISTELLIDAE | |
| Familia: COCCULINIDAE | |
| Familia: BATHYSCIADIIDAE | |
| Familia: TROCHIDAE | |
| Familia: PELYCIDIIDAE | |
| Familia: STOMATELLIDAE | |
| Familia: SKENEIDAE | |
| Familia: CYCLOSTREMATIDAE | |
| Familia: TURBINIDAE | |
| Familia: PHASIANELLIDAE | |
| Familia: TRICOLIIDAE | |
| Familia: SEGUENZIIDAE | |
| Familia: NERITOPSIDAE | |
| Familia: NERITIDAE (some freshwater) | |
| Familia: SEPTARIIDAE | |
| Familia: PHENACOLEPADIDAE | |
| Ordo: MESOGASTROPODA | |
| Familia: HYDROCENIDAE (terrestrial) | |
| Familia: HELICINIDAE (terrestrial) | |
| Familia: CYCLOPHORIDAE (terrestrial) | |
| Familia: POTERIIDAE (terrestrial) | |
| Familia: MEGALOMASTOMIDAE (terrestrial) | |
| Familia: MAIZANIIDAE (terrestrial) | |
| Familia: DIPLOMMATINIDAE (terrestrial) | |
| Familia: PUPINIDAE (terrestrial) | |
| Familia: LIAREIDAE | |
| Familia: VIVIPARIDAE (freshwater) | |
| Familia: AMPULLARIIDAE (freshwater) | |
| Familia: VALVATIDAE (freshwater and brackish water) | |
| Familia: LITTORINIDAE | |
| Familia: EATONIELLIDAE | |
| Familia: POMATIASIDAE (terrestrial) | |
| Familia: ANNULARIIDAE (terrestrial) | |
| Familia: ACICULIDAE (terrestrial) | |
| Familia: HYDROBIIDAE (freshwater) | |
| Familia: BITHYNIIDAE (freshwater) | |
| Familia: HYDROCOCCIDAE | |
| Familia: POMATIOPSIDAE (freshwater) | |
| Familia: TRUNCATELLIDAE (terrestrial) | |
| Familia: STENOTHYRIDAE (freshwater,brackish water) | |
| Familia: FALSICINGULIDAE | |
| Familia: IRAVADIIDAE (freshwater) | |
| Familia: BAICALIIDAE (freshwtaer) | |
| Familia: BENEDICTIIDAE (freshwater) | |
| Familia: MICROMELANIIDAE (freshwater) | |
| Familia: RISSOIDAE | |
| Familia: BARLEEIDAE | |
| Familia: EPIGRIDAE | |
| Familia: ELACHISINIDAE | |
| Familia: ASSIMINEIDAE (some terrestrial) | |
| Familia: SKENEOPSIDAE | |
| Familia: TRACHYSMATIDAE | |
| Familia: TROCHACLIDIDAE | |
| Familia: CINGULOPSIDAE | |
| Familia: ORBITESTELLIDAE | |
| Familia: CAECIDAE | |
| Familia: CTILOCERATIDAE | |
| Familia: VITRINELLIDAE | |
| Familia: TORNIDAE | |
| Familia: RASTODENTIDAE | |
| Familia: ABYSSOCHRYSIDAE | |
| Familia: THIARIDAE (freshwater) | |
| Familia: PLANAXIDAE | |
| Familia: MELANOPSIDAE (freshwater) | |
| Familia: MODULIDAE | |
| Familia: CERITHIIDAE | |
| Familia: DIALIDAE | |
| Familia: LITIOPIDAE | |
| Familia: CAMPANILIDAE | |
| Familia: DIASTOMATIDAE | |
| Familia: POTAMIDIDAE (brackish water) | |
| Familia: PLEUROCERIDAE (freshwater) | |
| Familia: FOSSARIDAE | |
| Familia: SYRNOLOPSIDAE | |
| Familia: TURRITELLIDAE | |
| Familia: SILIQUARIIDAE | |
| Familia: VERMETIDAE | |
| Familia: STRUTHIOLARIIDAE | |
| Familia: APORRHAIDAE | |
| Familia: STROMBIDAE | |
| Familia: HIPPONICIDAE | |
| Familia: VANIKORIDAE | |
| Familia: CALEDONIELLIDAE | |
| Familia: CREPIDULIDAE | |
| Familia: CAPULIDAE | |
| Familia: TRICHOTROPIDAE | |
| Familia: HALOCERATIDAE | |
| Familia: XENOPHORIDAE | |
| Familia: CYPRÆIDAE | |
| Familia: OVULIDAE | |
| Familia: TRIVIIDAE | |
| Familia: PEDICULARIIDAE | |
| Familia: LAMELLARIIDAE | |
| Familia: PSEUDOSACCULIDAE | |
| Familia: ATLANTIDAE | |
| Familia: CARINARIIDAE | |
| Familia: PTEROTRACHEIDAE (shellless) | |
| Familia: NATICIDAE | |
| Familia: TONNIDAE | |
| Familia: FICIDAE | |
| Familia: CASSIDAE | |
| Familia: RANELLIDAE | |
| Familia: PERSONIDAE | |
| Familia: BURSIDAE | |
| Familia: CERITHIOPSIDAE | |
| Familia: TRIFORIDAE | |
| Familia: TRIPHORIDAE | |
| Familia: EPITONIIDAE | |
| Familia: JANTHINIDAE | |
| Familia: EULIMIDAE | |
| Familia: STILIFERIDAE | |
| Familia: ASTEROPHILIDAE | |
| Familia: ENTOCONCHIDAE | |
| Familia: THYCIDAE | |
| Familia: ACLIDIDAE | |
| Ordo: NEOGASTROPODA | |
| Familia: MURICIDAE | |
| Familia: CORALLIOPHILIDAE | |
| Familia: BUCCINIDAE | |
| Familia: COLUMBELLIDAE | |
| Familia: NASSARIIDAE | |
| Familia: MELONGENIDAE | |
| Familia: FASCIOLARIIDAE | |
| Familia: VOLUTIDAE | |
| Familia: HARPIDAE | |
| Familia: VASIDAE | |
| Familia: OLIVIDAE | |
| Familia: MARGINELLIDAE | |
| Familia: MITRIDAE | |
| Familia: VOLUTOMITRIDAE | |
| Familia: COSTELLARIIDAE | |
| Familia: CANCELLARIIDAE | |
| Familia: CONIDAE | |
| Familia: TURRIDAE | |
| Familia: THATCHERIIDAE | |
| Familia: TEREBRIDAE | |
| Familia: OMALOGYRIDAE | |
| Familia: RISSOELLIDAE | |
| Subclassis: HETEROBRANCHIA | |
| Ordo: ALLOGASTROPODA | |
| Familia: ARCHITECTONICIDAE | |
| Familia: MATHILDIDAE | |
| Familia: PYRAMIDELLIDAE | |
| Familia: AMATHINIDAE | |
| Subclassis: OPISTHOBRANCHIA | |
| Ordo: CEPHALASPIDEA | |
| Familia: ACTEONIDAE | |
| Familia: RINGICULIDAE | |
| Familia: HYDATINIDAE | |
| Familia: BULLINIDAE | |
| Familia: SCAPHANDRIDAE | |
| Familia: PHILINIDAE | |
| Familia: AGLAJIDAE | |
| Familia: GASTROPTERIDAE | |
| Familia: DIAPHANIDAE | |
| Familia: BULLIDAE | |
| Familia: HAMINOIDAE | |
| Familia: SMARAGDINELLIDAE | |
| Familia: RETUSIDAE | |
| Familia: RUNCINIDAE (shellless) | |
| Familia: ILDICIDAE (shellless) | |
| Ordo: ACOCHLIDIOIDEA | |
| Familia: HEDYLOPSIDAE (shellless) | |
| Familia: MICROHEDYLIDAE (shellless) | |
| Familia: PHILINOGLOSSIDAE (shellless) | |
| Ordo: SACOGLOSSA | |
| Familia: CYLINDROBULLIDAE | |
| Familia: VOLVATELLIDAE | |
| Familia: JULIIDAE | |
| Familia: OXYNOIDAE | |
| Familia: CALIPHYLLIDAE (shellless) | |
| Familia: STILIGERIDAE (shellless) | |
| Familia: ELYSIIDAE (shellless) | |
| Familia: BOSELLIDAE (shellless) | |
| Ordo: ANASPIDEA | |
| Familia: AKERIDAE | |
| Ordo: APLYSIOMORPHA | |
| Familia: APLYSIIDAE | |
| Familia: NOTARCHIDAE | |
| Ordo: NOTASDPIDEA | |
| Familia: UMBRACULIDAE | |
| Familia: TYLODINIDAE | |
| Familia: PLEUROBRANCHIDAE (shellless) | |
| Ordo: THECOSOMATA | |
| Familia: LIMACINIDAE (shellless) | |
| Familia: CAVOLINIIDAE | |
| Familia: PERACLIDAE | |
| Familia: CYMBULIIDAE | |
| Familia: DESMOPTERIDAE | |
| Ordo: GYMNOSOMATA | |
| Familia: PNEUMODERMATIDAE (shellless) | |
| Familia: NOTOBRANCHAEIDAE (shellless) | |
| Familia: CLIOPSIDAE (shellless) | |
| Familia: CLIONIDAE (shellless) | |
| Familia: THILIPTODONTIDAE (shellless) | |
| Familia: HYDROMYLIDAE (shellless) | |
| Ordo: NUDIBRANCHIA | |
| Familia: DORIDOXIDAE (shellless) | |
| Familia: CORAMBIDAE (shellless) | |
| Familia: GONIODORIDIDAE (shellless) | |
| Familia: OKENIIDAE (shellless) | |
| Familia: ONCHIDORIDIDAE (shellless) | |
| Familia: TRIOPHIDAE (shellless) | |
| Familia: NOTODORIDIDAE (shellless) | |
| Familia: POLYCERIDAE (shellless) | |
| Familia: GYMNODORIDIDAE (shellless) | |
| Familia: VAYSSIEREIDAE (shellless) | |
| Familia: HEXABRANCHIDAE (shellless) | |
| Familia: CADLINIDAE (shellless) | |
| Familia: CHROMODORIDIDAE (shellless) | |
| Familia: ACTINOCYCLIDAE (shellless) | |
| Familia: MIAMIRIDAE (shellless) | |
| Familia: CONUALEVIIDAE (shellless) | |
| Familia: ROSTANGIDAE (shellless) | |
| Familia: ALDISIDAE (shellless) | |
| Familia: DORIDIDAE (shellless) | |
| Familia: ARCHIDORIDIDAE (shellless) | |
| Familia: GEITODORIDIDAE (shellless) | |
| Familia: HOMOIODORIDIDAE (shellless) | |
| Familia: DISCODORIDIDAE (shellless) | |
| Familia: KENTRODORIDIDAE (shellless) | |
| Familia: HALGERDIDAE (shellless) | |
| Familia: PLATYDORIDIDAE (shellless) | |
| Familia: PHYLLIDIIDAE (shellless) | |
| Familia: DENDRODORIDIDAE (shellless) | |
| Familia: TRITONIIDAE (shellless) | |
| Familia: MARIANINIDAE (shellless) | |
| Familia: LOMANOTIDAE (shellless) | |
| Familia: SCYLLAEIDAE (shellless) | |
| Familia: HANCOCKIIDAE (shellless) | |
| Familia: DENDRONOTIDAE (shellless) | |
| Familia: BORNELLIDAE (shellless) | |
| Familia: TETHYIDAE (shellless) | |
| Familia: DOTIDAE (shellless) | |
| Familia: PHYLLIROIDAE (shellless) | |
| Familia: HETERODORIDAE (shellless) | |
| Familia: ARMINIDAE (shellless) | |
| Familia: LEMINDIDAE (shellless) | |
| Familia: MADRELLIDAE (shellless) | |
| Familia: DIRONIDAE (shellless) | |
| Familia: ZEPHYRINIDAE (shellless) | |
| Familia: HEROIDAE (shellless) | |
| Familia: CORYPHELLIDAE (shellless) | |
| Familia: NOSSIDAE (shellless) | |
| Familia: FLABELLINIDAE (shellless) | |
| Familia: PLEUROLIDIIDAE (shellless) | |
| Familia: EUBRANCHIDAE (shellless) | |
| Familia: PSEUDOVERMIDAE (shellless) | |
| Familia: TERGIPEDIDAE (shellless) | |
| Familia: FIONIDAE (shellless) | |
| Familia: CALMIDAE (shellless) | |
| Familia: GLAUCIDAE (shellless) | |
| Familia: FACELINIDAE (shellless) | |
| Familia: AEOLIDIIDAE (shellless) | |
| Familia: SPURILLIDAE (shellless) | |
| Subclassis: GYMNOMORPHA | |
| Ordo: SYSTEMMOMMATOPHORA | |
| Familia: ONCHIDIIDAE | |
| Ordo: SOLEOLIFERA | |
| Familia: VERONICELLIDAE | |
| Familia: RATHOUISIIDAE | |
| Familia: RHODOPIDAE | |
| Subclassis: PULMONATA | |
| Ordo: ARCHEOPULMONATA | |
| Familia: ELLOBIIDAE (brackish water) | |
| Familia: CARYCHIIDAE (terrestrial) | |
| Ordo: BASOMMATOPHORA | |
| Familia: TRIMUSCULIDAE | |
| Familia: SIPHONARIIDAE (brackish water) | |
| Familia: AMPHIBOLIDAE (brackish water) | |
| Familia: CHILINIDAE (freshwater) | |
| Familia: LATIIDAE (freshwater) | |
| Familia: ACROLOXIDAE (freshwater) | |
| Familia: LYMNAEIDAE (freshwater) | |
| Familia: LANCIDAE (freshwater) | |
| Familia: GLACIDORBIDAE (freshwater) | |
| Familia: PHYSIDAE (freshwater) | |
| Familia: PLANORBIDAE (freshwater) | |
| Familia: NEOPLANORBIDAE (freshwater) | |
| Familia: ANCYLIDAE (freshwater) | |
| Ordo: STYLOMMATOPHORA | |
| Familia: ACHATINELLIDAE (terrestrial) | |
| Familia: COCHLICOPIDAE (terrestrial) | |
| Familia: AMASTRIDAE (terrestrial) | |
| Familia: PUPILLIDAE (terrestrial) | |
| Familia: VALLONIIDAE (terrestrial) | |
| Familia: VERTIGINIDAE (terrestrial) | |
| Familia: ORCULIDAE (terrestrial) | |
| Familia: PLEURODISCIDAE (terrestrial) | |
| Familia: STROBILOPSIDAE (terrestrial) | |
| Familia: PYRAMIDULIDAE (terrestrial) | |
| Familia: CHONDRINIDAE (terrestrial) | |
| Familia: BULIMINIDAE (terrestrial) | |
| Familia: CERASTUIDAE (terrestrial) | |
| Familia: CLAUSILIIDAE (terrestrial) | |
| Familia: PARTULIDAE (terrestrial) | |
| Familia: ORTHALICIDAE (terrestrial) | |
| Familia: ODONTOSTOMIDAE (terrestrial) | |
| Familia: AMPHIBULIMIDAE (terrestrial) | |
| Familia: UROCOPTIDAE (terrestrial) | |
| Familia: MICROCERAMIDAE (terrestrial) | |
| Familia: CERIONIDAE (terrestrial) | |
| Familia: MEGASPIRIDAE (terrestrial) | |
| Familia: COELOCIIDAE (terrestrial) | |
| Familia: FERUSSACIIDAE (terrestrial) | |
| Familia: SUBULINIDAE (terrestrial) | |
| Familia: ACHATINIDAE (terrestrial) | |
| Familia: SPIRAXIDAE (terrestrial) | |
| Familia: OLEACINIDAE (terrestrial) | |
| Familia: TESTACELLIDAE (terrestrial) | |
| Familia: STREPTAXIDAE (terrestrial) | |
| Familia: STROPHOCHEILIDAE (terrestrial) | |
| Familia: MEGALOBULIMIDAE (terrestrial) | |
| Familia: DORCASIIDAE (terrestrial) | |
| Familia: ACAVIDAE (terrestrial) | |
| Familia: CARYODIDAE (terrestrial) | |
| Familia: MACROCYCLIDAE (terrestrial) | |
| Familia: RHYTIDIDAE (terrestrial) | |
| Familia: HAPLOTREMATIDAE (terrestrial) | |
| Familia: PLECTOPYLIDIDAE (terrestrial) | |
| Familia: ENDODONTIDAE (terrestrial) | |
| Familia: PUNCTIDAE (terrestrial) | |
| Familia: HELICODISCIDAE (terrestrial) | |
| Familia: CHAROPIDAE (terrestrial) | |
| Familia: OTOCONCHIDAE (terrestrial) | |
| Familia: DISCIDAE (terrestrial) | |
| Familia: OREOHELICIDAE (terrestrial) | |
| Familia: SUCCINEIDAE (terrestrial) | |
| Familia: ATHORACOPHORIDAE (terrestrial, shellless) | |
| Familia: SAGDIDAE (terrestrial) | |
| Familia: GASTRODONTIDAE (terrestrial) | |
| Familia: EUCONULIDAE (terrestrial) | |
| Familia: HELIXARIONIDAE (terrestrial) | |
| Familia: ARIOPHANTIDAE (terrestrial) | |
| Familia: TROCHOMORPHIDAE (terrestrial) | |
| Familia: UROCYCLIDAE (terrestrial) | |
| Familia: CYSTOPELTIDAE (terrestrial) | |
| Familia: VITRINIDAE (terrestrial) | |
| Familia: ZONITIDAE (terrestrial) | |
| Familia: DAUDEBARDIIDAE (terrestrial) | |
| Familia: PARMACELLIDAE (terrestrial) | |
| Familia: MILACIDAE (terrestrial) | |
| Familia: LIMACIDAE (terrestrial) | |
| Familia: BOETTGERILLIDAE (terrestrial) | |
| Familia: POLYGYRIDAE (terrestrial) | |
| Familia: THYSANOPHORIDAE (terrestrial) | |
| Familia: SOLAROPSIDAE (terrestrial) | |
| Familia: CAMAENIDAE (terrestrial) | |
| Familia: SPHINCTEROCHILIDAE (terrestrial) | |
| Familia: HYGROMIIDAE (terrestrial) | |
| Familia: HELICIDAE (terrestrial) | |
| Familia: HELICELLIDAE (terrestrial) | |
| Familia: BRADYBAENIDAE (terrestrial) | |
| Familia: HELMINTHOGLYPTIDAE (terrestrial) | |
| Familia: ARIONIDAE (terrestrial) | |
| Familia: PHILOMYCIDAE (terrestrial, shellless) | |
| Classis: CEPHALOPODA | |
| Subclassis: TETRABRANCHIATA | |
| Ordo: NAUTILIDA | |
| Familia: NAUTILIDAE | |
| Subclassis: DIBRANCHIATA | |
| Ordo: SEPIIDA | |
| Familia: SPIRULIDAE | |
| Familia: SEPIIDAE (shellless) | |
| Familia: SEPIOLIDAE (shellless) | |
| Familia: SEPIADARIIDAE (shellless) | |
| Familia: IDIOSEPIIDAE (shellless) | |
| Ordo: MYOPSIDA | |
| Familia: LOLIGINIDAE (shellless) | |
| Familia: PICKFORDIATEUTHIDAE (shellless) | |
| Ordo: OEGOPSIDA | |
| Familia: LYCOTEUTHIDAE (shellless) | |
| Familia: ENOPLOTEUTHIDAE (shellless) | |
| Familia: OCTOPOTEUTHIDAE (shellless) | |
| Familia: ONYCHOTEUTHIDAE (shellless) | |
| Familia: GONATIDAE (shellless) | |
| Familia: CTENOPTERYGIDAE (shellless) | |
| Familia: BATHYTEUTHIDAE (shellless) | |
| Familia: HISTIOTEUTHIDAE (shellless) | |
| Familia: PSYCHROTEUTHIDAE (shellless) | |
| Familia: ARCHITEUTHIDAE (shellless) | |
| Familia: NEOTEUTHIDAE (shellless) | |
| Familia: OMMASTREPHIDAE (shellless) | |
| Familia: BRACHIOTEUTHIDAE (shellless) | |
| Familia: THYSANOTEUTHIDAE (shellless) | |
| Familia: LEPIDOTEUTHIDAE (shellless) | |
| Familia: BATOTEUTHIDAE (shellless) | |
| Familia: CYCLOTEUTHIDAE (shellless) | |
| Familia: CHIROTEUTHIDAE (shellless) | |
| Familia: MASTIGOTEUTHIDAE (shellless) | |
| Familia: JOUBINITEUTHIDAE (shellless) | |
| Familia: PROMACHOTEUTHIDAE (shellless) | |
| Familia: GRIMALDITEUTHIDAE (shellless) | |
| Familia: CRANCHIIDAE (shellless) | |
| Ordo: VAMPYROMORPHA | |
| Familia: VAMPYROTEUTHIDAE (shellless) | |
| Ordo: OCTOPODA | |
| Familia: CIRROTEUTHIDAE (shellless) | |
| Familia: OPISTHOTEUTHIDAE (shellless) | |
| Familia: BOLITAENIDAE (shellless) | |
| Familia: AMPHITRETIDAE (shellless) | |
| Familia: IDIOCTOPODIDAE (shellless) | |
| Familia: OCTOPODIDAE (shellless) | |
| Familia: VITRELEDONELLIDAE (shellless) | |
| Familia: ARGONAUTIDAE | |
| Familia: ALLOPOSIDAE (shellless) | |
| Familia: OCYTHOIDAE (shellless) | |
| Familia: TREMOCTOPODIDAE (shellless) | |
| Classis: BIVALVIA | |
| Subclassis: PROTOBRANCHIA | |
| Ordo: SOLEMYOIDA | |
| Familia: SOLEMYIDAE | |
| Familia: NUCINELLIDAE | |
| Ordo: NUCULOIDA | |
| Familia: NUCULIDAE | |
| Familia: PRISTOGLOMIDAE | |
| Familia: TINDARIIDAE | |
| Familia: LAMETILIDAE | |
| Familia: NUCULANIDAE | |
| Familia: YOLDIIDAE | |
| Familia: SILICULIDAE | |
| Familia: MALLETIIDAE | |
| Familia: NEILONELLIDAE | |
| Subclassis: PTERIOMORPHIA | |
| Ordo: ARCOIDA | |
| Familia: ARCIDAE | |
| Familia: NOETIIDAE | |
| Familia: PARALLELODONTIDAE | |
| Familia: CUCULLAEIDAE | |
| Familia: LIMOPSIDAE | |
| Familia: GLYCYMERIDIDAE | |
| Familia: PHILOBRYIDAE | |
| Ordo: MYTILOIDA | |
| Familia: MYTILIDAE | |
| Ordo: PTERIOIDA | |
| Familia: PTERIIDAE | |
| Familia: MALLEIDAE | |
| Familia: ISOGNOMONIDAE | |
| Familia: PINNIDAE | |
| Familia: LIMIDAE | |
| Familia: OSTREIDAE | |
| Familia: GRYPHAEIDAE | |
| Familia: PLICATULIDAE | |
| Familia: DIMYIDAE | |
| Familia: PECTINIDAE | |
| Familia: PROPEAMUSSIIDAE | |
| Familia: SPONDYLIDAE | |
| Familia: ANOMIIDAE | |
| Familia: PLACUNIDAE | |
| Subclassis: PALEOHETERODONTA | |
| Ordo: TRIGOINOIDA | |
| Familia: TRIGONIIDAE | |
| Ordo: UNIONOIDA | |
| Familia: MARGARITIFERIDAE (freshwater) | |
| Familia: UNIONIDAE (freshwater) | |
| Familia: HYRIIDAE | |
| Familia: MUTELIDAE (freshwater) | |
| Familia: ETHERIIDAE | |
| Subclassis: HETERODONTA | |
| Ordo: VENEROIDA | |
| Familia: LUCINIDAE | |
| Familia: FIMBRIIDAE | |
| Familia: THYASIRIDAE | |
| Familia: UNGULINIDAE | |
| Familia: CYRENOIDIDAE | |
| Familia: GALEOMMATIDAE | |
| Familia: KELLIIDAE | |
| Familia: LASAEIDAE | |
| Familia: LEPTONIDAE | |
| Familia: MONTACUTIDAE | |
| Familia: CYAMIIDAE | |
| Familia: PERRIERINIDAE | |
| Familia: SPORTELLIDAE | |
| Familia: NEOLEPTONIDAE | |
| Familia: BERNARDINIDAE | |
| Familia: CARDITIDAE | |
| Familia: CONDYLOCARDIIDAE | |
| Familia: CHAMIDAE | |
| Familia: CRASSATELLIDAE | |
| Familia: ASTARTIDAE | |
| Familia: CARDINIIDAE | |
| Familia: CARDIIDAE | |
| Familia: HEMIDONACIDAE | |
| Familia: LYMNOCARDIIDAE | |
| Familia: TRIDACNIDAE | |
| Familia: MACTRIDAE | |
| Familia: ANATINELLIDAE | |
| Familia: CARDILIIDAE | |
| Familia: MESODESMATIDAE | |
| Familia: SOLENIDAE | |
| Familia: CULTELLIDAE | |
| Familia: TELLINIDAE | |
| Familia: SEMELIDAE | |
| Familia: PSAMMOBIIDAE | |
| Familia: SOLECURTIDAE | |
| Familia: DONACIDAE | |
| Familia: DREISSENIDAE (freshwater) | |
| Familia: GAIMARDIIDAE | |
| Familia: ARCTICIDAE | |
| Familia: TRAPEZIIDAE | |
| Familia: KELLIELLIDAE | |
| Familia: GLOSSIDAE | |
| Familia: VESICOMYIDAE | |
| Familia: CORBICULIDAE (freshwater) | |
| Familia: PISIDIIDAE (freshwater) | |
| Familia: VENERIDAE | |
| Familia: GLAUCONOMIDAE | |
| Familia: TURTONIIDAE | |
| Familia: COOPERELLIDAE | |
| Familia: PETRICOLIDAE | |
| Ordo: MYOIDA | |
| Familia: MYIDAE | |
| Familia: CORBULIDAE | |
| Familia: ERODONIDAE | |
| Familia: SPHENIOPSIDAE | |
| Familia: GASTROCHAENIDAE | |
| Familia: HIATELLIDAE | |
| Subclassis: ANOMALOSDESMATA | |
| Ordo: PHOLADOMYOIDA | |
| Familia: PHOLADIDAE | |
| Familia: XYLOPHAGAIDAE | |
| Familia: TEREDINIDAE | |
| Familia: PHOLADOMYIDAE | |
| Familia: PARILIMYIDAE | |
| Familia: THRACIIDAE | |
| Familia: LATERNULIDAE | |
| Familia: PERIPLOMATIDAE | |
| Familia: LYONSIIDAE | |
| Familia: PANDORIDAE | |
| Familia: MYOCHAMIDAE | |
| Familia: CLEIDOTHAERIDAE | |
| Familia: CLAVAGELLIDAE | |
| Familia: POROMYIDAE | |
| Familia: CUSPIDARIIDAE | |
| Familia: VERTICORDIIDAE | |
| Classis: SCAPHOPODA | |
| Ordo: DENTALIIDA | |
| Familia: DENTALIIDAE | |
| Familia: LAEVIDENTALIIDAE | |
| Familia: GADILINIDAE | |
| Familia: OMNIGLYPTIDAE | |
| Ordo: GADILIDA | |
| Familia: ENTALINIDAE | |
| Familia: PULSELLIDAE | |
| Familia: GADILIDAE |