Contents of World Wide Malacological CATalog (Japanese)
Classification elements
| subclassis | n. | 13 |
| superordo | n. | 1 |
| ordo | n. | 37 |
| subordo | n. | 26 |
| superfamilia | n. | 87 |
| familia | n. | 247 |
| subfamilia | n. | 221 |
| tribus | n. | 32 |
| genus | n. | 1036 |
| subgenus | n. | 0 |
| speciem | n. | 4629 |
| sinonim | n. | 37 |
Numbers of species included into each familia
| CLASSIS CAUDOFOVEATA | | |
| CLASSIS SOLENOGASTRES | | |
| familia | chaetodermidae | 53 |
| familia | dondersiidae | 1 |
| familia | macellomeniidae | 1 |
| familia | perimeniidae | 1 |
| familia | rhopalomeniidae | 1 |
| familia | acanthomeniidae | 1 |
| familia | strophomeniidae | 5 |
| CLASSIS POLYPLACOPHORA | | |
| familia | epimeniidae | 2 |
| familia | leptochitonidae | 21 |
| familia | ischnochitonidae | 51 |
| familia | mopaliidae | 8 |
| familia | schizochitonidae | 2 |
| familia | chitonidae | 7 |
| familia | cryptoplacidae | 2 |
| CLASSIS MONOPLACOPHORA | | |
| familia | acanthochitonidae | 16 |
| familia | neopilinidae | 5 |
| familia | vemidae | 2 |
| familia | monoplacophoridae | 1 |
| CLASSIS GASTROPODA | | |
| familia | laevipilinidae | 1 |
| familia | acmaeidae | 7 |
| familia | lottiidae | 16 |
| familia | patellidae | 2 |
| familia | nacellidae | 5 |
| familia | lepetidae | 4 |
| familia | cocculinidae | 6 |
| familia | lepetellidae | 1 |
| familia | pseudococculinidae | 2 |
| familia | choristellidae | 3 |
| familia | fissurellidae | 54 |
| familia | scissurellidae | 8 |
| familia | haliotidae | 10 |
| familia | pleurotomariidae | 2 |
| familia | seguenziidae | 10 |
| familia | turbinidae | 46 |
| familia | trochidae | 151 |
| familia | skeneidae | 19 |
| familia | lissospiridae | 1 |
| familia | pelycidiidae | 1 |
| familia | neritopsidae | 1 |
| familia | neritidae | 25 |
| familia | septariidae | 1 |
| familia | phenacolepadidae | 5 |
| familia | titiscaniidae | 2 |
| familia | eatoniellidae | 1 |
| familia | rissoidae | 79 |
| familia | adeorbidae | 0 |
| familia | barleeidae | 6 |
| familia | caecidae | 12 |
| familia | elachisinidae | 0 |
| familia | assimineidae | 28 |
| familia | falsicingulidae | 5 |
| familia | vitrinellidae | 12 |
| familia | tornidae | 14 |
| familia | cerithiidae | 32 |
| familia | dialidae | 4 |
| familia | planaxidae | 5 |
| familia | litiopidae | 13 |
| familia | obtortionidae | 10 |
| familia | batillariidae | 1 |
| familia | turritellidae | 13 |
| familia | vermetidae | 17 |
| familia | littorinidae | 18 |
| familia | lacunidae | 9 |
| familia | strombidae | 16 |
| familia | hipponicidae | 9 |
| familia | vanikoridae | 8 |
| familia | fossaridae | 10 |
| familia | calyptraeidae | 7 |
| familia | haloceratidae | 2 |
| familia | capulidae | 27 |
| familia | lamellariidae | 3 |
| familia | velutinidae | 5 |
| familia | cypraeidae | 27 |
| familia | triviidae | 7 |
| familia | eratoidae | 2 |
| familia | pseudosacculidae | 1 |
| familia | ovulidae | 90 |
| familia | pediculariidae | 2 |
| familia | naticidae | 53 |
| familia | tonnidae | 2 |
| familia | ficidae | 1 |
| familia | cassidae | 17 |
| familia | ranellidae | 34 |
| familia | personidae | 2 |
| familia | bursidae | 5 |
| familia | atlantidae | 6 |
| familia | carinariidae | 9 |
| familia | cerithiopsidae | 27 |
| familia | triforidae | 3 |
| familia | triphoridae | 60 |
| familia | epitoniidae | 103 |
| familia | janthinidae | 3 |
| familia | eulimidae | 150 |
| familia | stiliferidae | 17 |
| familia | asterophilidae | 1 |
| familia | paedophoropodidae | 1 |
| familia | thycidae | 4 |
| familia | aclididae | 8 |
| familia | muricidae | 89 |
| familia | coralliophilidae | 34 |
| familia | buccinidae | 228 |
| familia | columbellidae | 43 |
| familia | nassariidae | 28 |
| familia | melongenidae | 1 |
| familia | fasciolariidae | 44 |
| familia | volutidae | 28 |
| familia | harpidae | 5 |
| familia | turbinellidae | 5 |
| familia | olividae | 93 |
| familia | cystiscidae | 3 |
| familia | marginellidae | 7 |
| familia | mitridae | 51 |
| familia | volutomitridae | 1 |
| familia | costellariidae | 36 |
| familia | cancellariidae | 21 |
| familia | drilliidae | 44 |
| familia | turridae | 306 |
| familia | conidae | 28 |
| familia | terebridae | 66 |
| familia | rissoellidae | 13 |
| familia | architectonicidae | 18 |
| familia | mathildidae | 5 |
| familia | pyramidellidae | 493 |
| familia | amathinidae | 12 |
| familia | orbitestellidae | 1 |
| familia | acteonidae | 13 |
| familia | ringiculidae | 19 |
| familia | hydatinidae | 1 |
| familia | cylichnidae | 63 |
| familia | philinidae | 14 |
| familia | aglajidae | 6 |
| familia | gastropteridae | 7 |
| familia | haminoeidae | 25 |
| familia | smaragdinellidae | 2 |
| familia | bullidae | 3 |
| familia | retusidae | 27 |
| familia | cylindrobullidae | 1 |
| familia | volvatellidae | 3 |
| familia | juliidae | 3 |
| familia | oxynoidae | 1 |
| familia | akeridae | 1 |
| familia | aplysiidae | 14 |
| familia | dolabriferidae | 3 |
| familia | notarchidae | 3 |
| familia | umbraculidae | 2 |
| familia | cavoliniidae | 18 |
| familia | peraclidae | 1 |
| familia | cymbuliidae | 2 |
| familia | onchidiidae | 2 |
| familia | ellobiidae | 21 |
| familia | siphonariidae | 6 |
| CLASSIS CEPHALOPODA | | |
| familia | gastrodontidae | 4 |
| CLASSIS BIVALVIA | | |
| familia | argonautidae | 1 |
| familia | solemyidae | 1 |
| familia | nucinellidae | 5 |
| familia | nuculidae | 14 |
| familia | pristiglomidae | 1 |
| familia | tindariidae | 2 |
| familia | nuculanidae | 25 |
| familia | spinulidae | 5 |
| familia | yoldiidae | 15 |
| familia | malletiidae | 5 |
| familia | neilonellidae | 6 |
| familia | arcidae | 53 |
| familia | noetiidae | 6 |
| familia | cuculaeidae | 1 |
| familia | limopsidae | 7 |
| familia | glycymerididae | 19 |
| familia | mytilidae | 67 |
| familia | pteriidae | 6 |
| familia | isognomonidae | 8 |
| familia | pinnidae | 8 |
| familia | limidae | 36 |
| familia | ostreidae | 27 |
| familia | gryphaeidae | 4 |
| familia | plicatulidae | 3 |
| familia | dimyidae | 2 |
| familia | pectinidae | 54 |
| familia | propeamussiidae | 11 |
| familia | spondylidae | 10 |
| familia | anomiidae | 3 |
| familia | placunidae | 3 |
| familia | trigoniidae | 5 |
| familia | lucinidae | 31 |
| familia | thyasiridae | 16 |
| familia | ungulinidae | 8 |
| familia | galeommatidae | 24 |
| familia | kelliidae | 15 |
| familia | lasaeidae | 15 |
| familia | leptonidae | 2 |
| familia | montacutidae | 24 |
| familia | sportellidae | 1 |
| familia | neoleptonidae | 1 |
| familia | carditidae | 14 |
| familia | condylocardiidae | 1 |
| familia | chamidae | 10 |
| familia | crassatellidae | 4 |
| familia | astartidae | 4 |
| familia | cardiidae | 26 |
| familia | hemidonacidae | 1 |
| familia | tridacnidae | 2 |
| familia | mactridae | 26 |
| familia | anatinellidae | 1 |
| familia | cardiliidae | 1 |
| familia | mesodesmatidae | 8 |
| familia | solenidae | 6 |
| familia | cultellidae | 5 |
| familia | tellinidae | 54 |
| familia | scrobiculariidae | 1 |
| familia | semelidae | 29 |
| familia | psammobiidae | 23 |
| familia | solecurtidae | 5 |
| familia | pharidae | 3 |
| familia | donacidae | 2 |
| familia | gaimardiidae | 1 |
| familia | glossidae | 3 |
| familia | kelliellidae | 1 |
| familia | trapeziidae | 3 |
| familia | vesicomyidae | 14 |
| familia | veneridae | 114 |
| familia | glauconomidae | 3 |
| familia | petricolidae | 2 |
| familia | myidae | 6 |
| familia | corbulidae | 14 |
| familia | gastrochaenidae | 5 |
| familia | hiatellidae | 9 |
| familia | pholadidae | 15 |
| familia | xylophagaidae | 7 |
| familia | teredinidae | 20 |
| familia | pholadomyidae | 2 |
| familia | parilimyidae | 2 |
| familia | thraciidae | 6 |
| familia | laternulidae | 6 |
| familia | periplomatidae | 8 |
| familia | lyonsiidae | 3 |
| familia | pandoridae | 5 |
| familia | myochamidae | 7 |
| familia | clavagellidae | 2 |
| familia | poromyidae | 4 |
| familia | cuspidariidae | 43 |
| CLASSIS SCAPHOPODA | | |
| familia | verticordiidae | 19 |
| familia | dentaliidae | 22 |
| familia | laevidentaliidae | 5 |
| familia | gadilinidae | 3 |
| familia | entalinidae | 6 |
| familia | siphonodentaliidae | 9 |
| errors | n. | 0 |