Contents of World Wide Malacological CATalog (Celtic)
Classification elements
| subclassis | n. | 12 |
| superordo | n. | 1 |
| ordo | n. | 43 |
| subordo | n. | 32 |
| superfamilia | n. | 86 |
| familia | n. | 293 |
| subfamilia | n. | 175 |
| tribus | n. | 19 |
| genus | n. | 764 |
| subgenus | n. | 0 |
| speciem | n. | 2034 |
| sinonim | n. | 6 |
Numbers of species included into each familia
| CLASSIS CAUDOFOVEATA | | |
| familia | scutopidae | 5 |
| familia | prochaetodermatidae | 8 |
| familia | chaetodermidae | 9 |
| CLASSIS SOLENOGASTRES | | |
| familia | falcidentidae | 8 |
| familia | dondersiidae | 9 |
| familia | gymnomeniidae | 5 |
| familia | lepidomeniidae | 4 |
| familia | macellomeniidae | 1 |
| familia | neomeniidae | 2 |
| familia | perimeniidae | 4 |
| familia | rhopalomeniidae | 1 |
| familia | amphimeniidae | 3 |
| familia | simrothiellidae | 8 |
| familia | drepanomeniidae | 1 |
| familia | strophomeniidae | 2 |
| CLASSIS POLYPLACOPHORA | | |
| familia | proneomeniidae | 5 |
| familia | leptochitonidae | 21 |
| familia | hanleyidae | 1 |
| familia | ischnochitonidae | 14 |
| familia | mopaliidae | 1 |
| CLASSIS MONOPLACOPHORA | | |
| familia | acanthochitonidae | 1 |
| familia | neopilinidae | 4 |
| CLASSIS GASTROPODA | | |
| familia | laevipilinidae | 1 |
| familia | acmaeidae | 1 |
| familia | lottiidae | 2 |
| familia | patellidae | 5 |
| familia | nacellidae | 1 |
| familia | lepetidae | 1 |
| familia | cocculinidae | 2 |
| familia | bathysciadiidae | 1 |
| familia | lepetellidae | 2 |
| familia | pseudococculinidae | 1 |
| familia | osteopeltidae | 1 |
| familia | fissurellidae | 7 |
| familia | scissurellidae | 2 |
| familia | haliotidae | 2 |
| familia | seguenziidae | 8 |
| familia | turbinidae | 4 |
| familia | trochidae | 52 |
| familia | skeneidae | 16 |
| familia | lissospiridae | 27 |
| familia | cyclostrematidae | 1 |
| familia | cingulopsidae | 1 |
| familia | rissoidae | 133 |
| familia | adeorbidae | 1 |
| familia | barleeidae | 1 |
| familia | caecidae | 9 |
| familia | elachisinidae | 2 |
| familia | pendromidae | 1 |
| familia | ctiloceratidae | 1 |
| familia | vitrinellidae | 1 |
| familia | rastodentidae | 1 |
| familia | cerithiidae | 5 |
| familia | planaxidae | 3 |
| familia | litiopidae | 1 |
| familia | potamididae | 1 |
| familia | turritellidae | 1 |
| familia | siliquariidae | 1 |
| familia | vermetidae | 2 |
| familia | littorinidae | 5 |
| familia | lacunidae | 4 |
| familia | hipponicidae | 2 |
| familia | vanikoridae | 3 |
| familia | calyptraeidae | 4 |
| familia | haloceratidae | 5 |
| familia | capulidae | 7 |
| familia | lamellariidae | 3 |
| familia | velutinidae | 9 |
| familia | triviidae | 2 |
| familia | ovulidae | 3 |
| familia | ampullinidae | 4 |
| familia | naticidae | 14 |
| familia | cassidae | 2 |
| familia | laubierinidae | 1 |
| familia | ranellidae | 18 |
| familia | personidae | 2 |
| familia | bursidae | 3 |
| familia | atlantidae | 3 |
| familia | carinariidae | 1 |
| familia | firolidae | 4 |
| familia | cerithiopsidae | 11 |
| familia | triforidae | 5 |
| familia | triphoridae | 6 |
| familia | epitoniidae | 35 |
| familia | janthinidae | 4 |
| familia | eulimidae | 90 |
| familia | entoconchidae | 1 |
| familia | aclididae | 5 |
| familia | muricidae | 27 |
| familia | coralliophilidae | 3 |
| familia | buccinidae | 64 |
| familia | columbellidae | 7 |
| familia | nassariidae | 6 |
| familia | fasciolariidae | 12 |
| familia | volutidae | 2 |
| familia | turbinellidae | 3 |
| familia | olividae | 1 |
| familia | pseudolividae | 1 |
| familia | cystiscidae | 8 |
| familia | marginellidae | 15 |
| familia | mitridae | 1 |
| familia | volutomitridae | 2 |
| familia | costellariidae | 3 |
| familia | cancellariidae | 12 |
| familia | drilliidae | 3 |
| familia | turridae | 113 |
| familia | omalogyridae | 4 |
| familia | cimidae | 1 |
| familia | cornirostridae | 1 |
| familia | architectonicidae | 7 |
| familia | mathildidae | 4 |
| familia | pyramidellidae | 97 |
| familia | tjaernoeidae | 1 |
| familia | acteonidae | 5 |
| familia | ringiculidae | 1 |
| familia | hydatinidae | 3 |
| familia | cylichnidae | 9 |
| familia | philinidae | 10 |
| familia | aglajidae | 2 |
| familia | diaphanidae | 10 |
| familia | haminoeidae | 7 |
| familia | retusidae | 9 |
| familia | runcinidae | 10 |
| familia | philinoglossidae | 4 |
| familia | hedylopsidae | 3 |
| familia | microhedylidae | 8 |
| familia | asperspinidae | 2 |
| familia | minicheviellidae | 2 |
| familia | cylindrobullidae | 1 |
| familia | polybranchiidae | 11 |
| familia | costasiellidae | 1 |
| familia | stiligeridae | 21 |
| familia | elysiidae | 9 |
| familia | bosellidae | 2 |
| familia | platyhedylidae | 1 |
| familia | aplysiidae | 2 |
| familia | dolabriferidae | 1 |
| familia | umbraculidae | 2 |
| familia | pleurobranchidae | 3 |
| familia | limacinidae | 2 |
| familia | cavoliniidae | 11 |
| familia | peraclidae | 1 |
| familia | cymbuliidae | 2 |
| familia | desmopteridae | 1 |
| familia | pneumodermatidae | 7 |
| familia | notobranchaeidae | 3 |
| familia | cliopsidae | 1 |
| familia | clionidae | 6 |
| familia | thliptodontidae | 1 |
| familia | bathydorididae | 1 |
| familia | corambidae | 2 |
| familia | goniodorididae | 4 |
| familia | okeniidae | 15 |
| familia | onchidorididae | 20 |
| familia | triophidae | 6 |
| familia | aegiretidae | 5 |
| familia | polyceridae | 13 |
| familia | gymnodorididae | 3 |
| familia | cadlinidae | 4 |
| familia | chromodorididae | 21 |
| familia | aldisidae | 5 |
| familia | rostangidae | 2 |
| familia | dorididae | 10 |
| familia | archidorididae | 4 |
| familia | geitodorididae | 8 |
| familia | discodorididae | 34 |
| familia | kentrodorididae | 3 |
| familia | platydorididae | 9 |
| familia | phyllidiidae | 3 |
| familia | dendrodorididae | 6 |
| familia | tritoniidae | 11 |
| familia | lomanotidae | 3 |
| familia | scyllaeidae | 1 |
| familia | hancockiidae | 1 |
| familia | dendronotidae | 4 |
| familia | tethyidae | 2 |
| familia | dotidae | 33 |
| familia | phylliroidae | 3 |
| familia | heterodoridae | 2 |
| familia | arminidae | 7 |
| familia | madrellidae | 2 |
| familia | zephyrinidae | 4 |
| familia | goniaeolididae | 1 |
| familia | heroidae | 2 |
| familia | flabellinidae | 20 |
| familia | eubranchidae | 13 |
| familia | pseudovermidae | 9 |
| familia | tergipedidae | 31 |
| familia | fionidae | 1 |
| familia | calmidae | 1 |
| familia | glaucidae | 1 |
| familia | facelinidae | 22 |
| familia | aeolidiidae | 16 |
| familia | piseinotecidae | 3 |
| familia | onchidiidae | 1 |
| familia | rhodopidae | 2 |
| familia | ellobiidae | 8 |
| familia | otinidae | 1 |
| familia | trimusculidae | 2 |
| familia | siphonariidae | 2 |
| CLASSIS CEPHALOPODA | | |
| familia | gastrodontidae | 2 |
| familia | sepiidae | 1 |
| familia | sepiolidae | 16 |
| familia | loliginidae | 3 |
| familia | lycoteuthidae | 1 |
| familia | enoploteuthidae | 4 |
| familia | octopoteuthidae | 1 |
| familia | onychoteuthidae | 4 |
| familia | gonatidae | 1 |
| familia | bathyteuthidae | 1 |
| familia | histioteuthidae | 6 |
| familia | brachioteuthidae | 1 |
| familia | ommastrephidae | 5 |
| familia | thysanoteuthidae | 1 |
| familia | lepidoteuthidae | 1 |
| familia | cycloteuthidae | 1 |
| familia | chiroteuthidae | 3 |
| familia | mastigoteuthidae | 5 |
| familia | cranchiidae | 8 |
| familia | vampyrotheuthidae | 1 |
| familia | cirroteuthidae | 2 |
| familia | opisthoteuthidae | 2 |
| familia | bolitaenidae | 1 |
| familia | octopodidae | 12 |
| familia | vitreledonellidae | 1 |
| familia | alloposidae | 1 |
| familia | ocythoidae | 1 |
| CLASSIS BIVALVIA | | |
| familia | tremoctopodidae | 1 |
| familia | nuculidae | 7 |
| familia | tindariidae | 2 |
| familia | nuculanidae | 1 |
| familia | spinulidae | 1 |
| familia | yoldiidae | 21 |
| familia | malletiidae | 3 |
| familia | neilonellidae | 1 |
| familia | arcidae | 9 |
| familia | limopsidae | 1 |
| familia | glycymerididae | 1 |
| familia | mytilidae | 31 |
| familia | isognomonidae | 1 |
| familia | pinnidae | 1 |
| familia | limidae | 8 |
| familia | ostreidae | 2 |
| familia | gryphaeidae | 1 |
| familia | pectinidae | 15 |
| familia | propeamussiidae | 1 |
| familia | spondylidae | 2 |
| familia | anomiidae | 2 |
| familia | lucinidae | 5 |
| familia | mactromyidae | 0 |
| familia | thyasiridae | 19 |
| familia | ungulinidae | 4 |
| familia | kelliidae | 2 |
| familia | lasaeidae | 1 |
| familia | leptonidae | 2 |
| familia | montacutidae | 13 |
| familia | sportellidae | 1 |
| familia | neoleptonidae | 4 |
| familia | carditidae | 1 |
| familia | chamidae | 1 |
| familia | crassatellidae | 1 |
| familia | astartidae | 11 |
| familia | cardiidae | 7 |
| familia | mactridae | 2 |
| familia | tellinidae | 6 |
| familia | semelidae | 1 |
| familia | psammobiidae | 3 |
| familia | pharidae | 4 |
| familia | donacidae | 1 |
| familia | kelliellidae | 1 |
| familia | trapeziidae | 1 |
| familia | vesicomyidae | 1 |
| familia | veneridae | 10 |
| familia | petricolidae | 1 |
| familia | myidae | 3 |
| familia | gastrochaenidae | 1 |
| familia | hiatellidae | 3 |
| familia | pholadidae | 2 |
| familia | xylophagaidae | 6 |
| familia | teredinidae | 8 |
| familia | thraciidae | 2 |
| familia | laternulidae | 1 |
| familia | lyonsiidae | 2 |
| familia | pandoridae | 1 |
| familia | poromyidae | 3 |
| familia | cuspidariidae | 32 |
| CLASSIS SCAPHOPODA | | |
| familia | verticordiidae | 11 |
| familia | dentaliidae | 7 |
| familia | laevidentaliidae | 1 |
| familia | fustiariidae | 1 |
| familia | entalinidae | 2 |
| familia | siphonodentaliidae | 13 |
| errors | n. | 0 |