Opinions from J. A. Todd 2001
- 'Acanthina belongs to Muricidae'
- 'Acanthotrophon belongs to Muricidae'
- 'Acirsa belongs to Epitoniidae'
- 'Acmaea belongs to Acmaeidae'
- 'Acmaeadae is corrected as Acmaeidae and belongs to Acmaeoidea'
- 'Acmaeoidea belongs to Docoglossa'
- 'Acmaturris belongs to Turridae'
- 'Acteocina belongs to Cylichnidae'
- 'Acteon belongs to Acteonidae'
- 'Acteonidae belongs to Acteonoidea'
- 'Acteonoidea belongs to Cephalaspidea'
- 'Adelocythara belongs to Turridae'
- 'Aepystoma was reranked as Teinostoma (Aepystoma) and belongs to Teinostoma'
- 'Aesopus belongs to Columbellidae'
- 'Aforia belongs to Turridae'
- 'Agathistoma was reranked as Tegula (Agathistoma) and belongs to Tegula'
- 'Agathotoma belongs to Turridae'
- 'Agatrix belongs to Cancellariidae'
- 'Agladrillia belongs to Turridae'
- 'Alaba belongs to Litiopinae'
- 'Aliculastrum was reranked as Atys (Aliculastrum) and belongs to Atys'
- 'Alora belongs to Epitoniidae'
- 'Altrix belongs to Fissurellidae'
- 'Alvania belongs to Rissoidae'
- 'Amaea belongs to Epitoniidae'
- 'Amarophos belongs to Buccinidae'
- 'Amathinidae belongs to Pyramidelloidea'
- 'Amphissa (Cosmioconcha) was reranked as Cosmioconcha and belongs to Columbellidae'
- 'Anachis belongs to Columbellidae'
- 'Ancilla belongs to Olividae'
- 'Ancistrosyrinx was reranked as Cochlespira (Ancistrosyrinx) and belongs to Cochlespira'
- 'Anisocycla belongs to Ebalidae'
- 'Anticlimax belongs to Vitrinellidae'
- 'Anticlimax (Anticlimax) belongs to Anticlimax' according to Pilsbry and McGinty 1946
- 'Anticlimax (Anticlimax) belongs to Anticlimax'
- 'Anticlimax (Subclimax) belongs to Anticlimax'
- 'Antillachelus was reranked as Euchelus (Antillachelus) and belongs to Euchelus'
- 'Antillophos belongs to Buccinidae'
- 'Antillophos (Antillophos) belongs to Antillophos' according to Woodring 1928
- 'Antillophos (Antillophos) belongs to Antillophos'
- 'Antillophos (Rhipophos) belongs to Antillophos'
- 'Aorotrema belongs to Amathinidae'
- 'Aphera belongs to Cancellariidae'
- 'Architectonica belongs to Architectonicidae'
- 'Architectonicidae belongs to Architectonicoidea'
- 'Architectonicoidea belongs to Heterobranchia'
- 'Arcularia was reranked as Nassarius (Arcularia) and belongs to Nassarius'
- 'Arene belongs to Turbinidae'
- 'Arene (Arene) belongs to Arene'
- 'Arene (Marevalvata) belongs to Arene'
- 'Aspella belongs to Muricidae'
- 'Asperiscala was reranked as Epitonium (Asperiscala) and belongs to Epitonium'
- 'Astraea belongs to Turbinidae'
- 'Astralium was reranked as Astraea (Astralium) and belongs to Astraea'
- 'Astyris belongs to Columbellidae'
- 'Attiliosa belongs to Muricidae'
- 'Atys belongs to Haminoeidae'
- 'Atys (Atys) belongs to Atys' according to Montfort 1810
- 'Austrotrophon belongs to Muricidae'
- 'Axelella belongs to Cancellariidae'
- 'Bactrocythara belongs to Turridae'
- 'Bailya belongs to Buccinidae'
- 'Bambusum belongs to Caecidae'
- 'Barleeia belongs to Barleeiidae'
- 'Barleeiidae belongs to Rissooidea'
- 'Bartschella belongs to Pyramidellidae'
- 'Basilissa belongs to Seguenziidae'
- 'Basommatophora belongs to Pulmonata'
- 'Batillaria belongs to Batillariidae'
- 'Batillariinae was reranked as the family Batillariidae and belongs to Cerithioidea'
- 'Bellacythara belongs to Turridae'
- 'Bellaspira belongs to Turridae'
- 'Besla belongs to Pyramidellidae'
- 'Bezanconia belongs to Cerithiadae'
- 'Bifurcium belongs to Columbellidae'
- 'Bittiolum belongs to Cerithiadae'
- 'Bittium belongs to Cerithiadae'
- 'Bivetia was reranked as Cancellaria (Bivetia) and belongs to Cancellaria'
- 'Boonea belongs to Pyramidellidae'
- 'Boreotrophon belongs to Muricidae'
- 'Borsonella belongs to Turridae'
- 'Borsonella (Borsonella) belongs to Borsonella' according to Dall 1908
- 'Borsonella (Borsonella) belongs to Borsonella'
- 'Borsonia belongs to Turridae'
- 'Bostrycapulus was reranked as Crepidula (Bostrycapulus) and belongs to Crepidula'
- 'Brachycythara belongs to Turridae'
- 'Brachystomia belongs to Pyramidellidae'
- 'Brochina belongs to Caecidae'
- 'Buccinidae belongs to Muricoidea'
- 'Buchema belongs to Turridae'
- 'Bulla belongs to Bullidae'
- 'Bullidae belongs to Bulloidea'
- 'Bulloidea belongs to Cephalaspidea'
- 'Bursa belongs to Bursidae'
- 'Bursidae belongs to Tonnoidea'
- 'Caducifer belongs to Buccinidae'
- 'Caecidae belongs to Rissooidea'
- 'Caecum belongs to Caecidae'
- 'Calcarata belongs to Cancellariidae'
- 'Calliclava belongs to Turridae'
- 'Calliostoma belongs to Trochidae'
- 'Callolongchaeus belongs to Pyramidellidae'
- 'Callopoma was reranked as Turbo (Callopoma) and belongs to Turbo'
- 'Calophos belongs to Buccinidae'
- 'Calotrophon belongs to Muricidae'
- 'Calyptraea belongs to Calyptraeidae'
- 'Calyptraeidae belongs to Calyptraeoidea'
- 'Calyptraeoidea belongs to Littorinimorpha'
- 'Cancellaria belongs to Cancellariidae'
- 'Cancellaria (Bivetiella) belongs to Cancellaria'
- 'Cancellaria (Cancellaria) belongs to Cancellaria'
- 'Cancellaria (Charcolleria) belongs to Cancellaria'
- 'Cancellaria (Hertleinia) belongs to Cancellaria' according to Marks 1949
- 'Cancellaria (Hertleinia) belongs to Cancellaria'
- 'Cancellaria (Pyruclia) belongs to Cancellaria'
- 'Cancellariidae belongs to Cancellarioidea'
- 'Cancellarioidea belongs to Neogastropoda'
- 'Cantharus belongs to Buccinidae'
- 'Careliopsis belongs to Pyramidellidae'
- 'Cassidae belongs to Tonnoidea'
- 'Cassis belongs to Cassidae'
- 'Cavolinia belongs to Cavoliniidae'
- 'Cavoliniidae belongs to Thecosomata'
- 'Cenchritis belongs to Littorinidae'
- 'Cephalaspidea belongs to Opisthobranchia'
- 'Cerithiacea is corrected as Cerithioidea and belongs to Caenogastropoda'
- 'Cerithiadae is corrected as Cerithiidae and belongs to Cerithioidea'
- 'Cerithidea belongs to Potamididae'
- 'Cerithium belongs to Cerithiidae'
- 'Cerodrillia belongs to Turridae'
- 'Charonia belongs to Ranellidae'
- 'Cheilea belongs to Hipponicidae'
- 'Chemnitzia belongs to Pyramidellidae'
- 'Chicoreus belongs to Muricidae'
- 'Chicoreus (Chicoreus) belongs to Chicoreus' according to Montfort 1810
- 'Chicoreus (Chicoreus) belongs to Chicoreus'
- 'Chrysallida belongs to Pyramidellidae'
- 'Circulus belongs to Vitrinellidae'
- 'Cirsotrema belongs to Epitoniidae'
- 'Cirsotrema (Cirsotremopsis) belongs to Cirsotrema'
- 'Cittarium belongs to Trochidae'
- 'Clathrella belongs to Amathinidae'
- 'Clathrodrillia belongs to Turridae'
- 'Clathrodrillia (Buridrillia) was reranked as Buridrillia and belongs to Turridae'
- 'Clathrodrillia (Carinodrillia) was reranked as Carinodrillia and belongs to Turridae'
- 'Clavistrombina belongs to Columbellidae'
- 'Cleotrivia was reranked as Trivia (Cleotrivia) and belongs to Trivia'
- 'Clio belongs to Cavoliniidae'
- 'Clypidella was reranked as Fissurella (Clypidella) and belongs to Fissurella'
- 'Cocculina belongs to Cocculinoidea'
- 'Cocculinoidea belongs to Cocculiniformia'
- 'Cochlespira belongs to Turridae'
- 'Cochliolepis belongs to Vitrinellidae'
- 'Collisella belongs to Lottiidae'
- 'Colubraria belongs to Buccinidae'
- 'Columbella belongs to Columbellidae'
- 'Columbellidae belongs to Muricoidea'
- 'Columbellopsis belongs to Columbellidae'
- 'Compsodrillia belongs to Turridae'
- 'Conacea is corrected as Conoidea and belongs to Neogastropoda'
- 'Conella belongs to Columbellidae'
- 'Conidae belongs to Conoidea'
- 'Conomitra belongs to Volutomitridae'
- 'Conus belongs to Conidae'
- 'Coralliophila belongs to Coralliophilidae'
- 'Coralliophila (Pseudomurex) belongs to Coralliophila' according to Monterosato 1872
- 'Coralliophila (Pseudomurex) belongs to Coralliophila'
- 'Coralliophilidae belongs to Muricoidea'
- 'Costellariidae belongs to Muricoidea'
- 'Costoanachis belongs to Columbellidae'
- 'Cotonopsis belongs to Columbellidae'
- 'Cotonopsis (Cotonopsis) belongs to Cotonopsis'
- 'Cotonopsis (Cotonopsis) belongs to Cotonopsis' according to Olsson 1942
- 'Cotonopsis (Turrina) belongs to Cotonopsis'
- 'Crassispira belongs to Turridae'
- 'Crassispira (Crassispira) belongs to Crassispira' according to Swainson 1840
- 'Crassispira (Crassispira) belongs to Crassispira'
- 'Cremides was reranked as Fissurella (Cremides) and belongs to Fissurella'
- 'Crepidula belongs to Calyptraeidae'
- 'Crepidula (Crepidula) belongs to Crepidula' according to Lamack 1799
- 'Crepipatella belongs to Calyptraeidae'
- 'Creseis belongs to Cavoliniidae'
- 'Crucibulum belongs to Calyptraeidae'
- 'Crucibulum (Crucibulum) belongs to Crucibulum'
- 'Cryoturris was reranked as Kurtziella (Cryoturris) and belongs to Kurtziella'
- 'Cuvierina belongs to Cavoliniidae'
- 'Cycloscala was reranked as Epitonium (Cycloscala) and belongs to Epitonium'
- 'Cyclostrema belongs to Turbinidae'
- 'Cyclostremiscus belongs to Vitrinellidae'
- 'Cyclostremiscus (Cyclostremiscus) belongs to Cyclostremiscus'
- 'Cylichna belongs to Cylichnidae'
- 'Cylichnella belongs to Cylichnidae'
- 'Cylichnidae belongs to Philinoidea'
- 'Cylichnina belongs to Retusidae'
- 'Cymatium belongs to Ranellidae'
- 'Cymatium (Linatella) belongs to Cymatium'
- 'Cymatophos belongs to Buccinidae'
- 'Cymia belongs to Muricidae'
- 'Cymia (Cymia) belongs to Cymia' according to Mörch 1860
- 'Cymia (Cymia) belongs to Cymia'
- 'Cyphoma belongs to Ovulidae'
- 'Cypraea (Luria) was reranked as Luria and belongs to Cypraeidae'
- 'Cypraea pilula is recombined as Trivia (Cleotrivia) pilula'
- 'Cypraeacea is corrected as Cypraeoidea and belongs to Littorinimorpha'
- 'Cypraecassis belongs to Cassidae'
- 'Cypraecassis (Cypraecassis) belongs to Cypraecassis' according to Stuchburry 1837
- 'Cypraecassis (Cypraecassis) belongs to Cypraecassis'
- 'Cypraeidae belongs to Cypraeoidea'
- 'Cystiscidae belongs to Muricoidea'
- 'Cystiscus belongs to Cystiscidae'
- 'Dactylidia was reranked as Olivella (Dactylidia) and belongs to Olivella'
- 'Decipifus belongs to Columbellidae'
- 'Dentimargo belongs to Marginellidae'
- 'Dentiscala was reranked as Opalia (Dentiscala) and belongs to Opalia'
- 'Dermomurex belongs to Muricidae'
- 'Dermomurex (Dermomurex) belongs to Dermomurex' according to Monterosato 1890
- 'Dermomurex (Dermomurex) belongs to Dermomurex'
- 'Diacria belongs to Cavoliniidae'
- 'Dispotaea was reranked as Crucibulum (Dispotaea) and belongs to Crucibulum'
- 'Distorsio belongs to Personidae'
- 'Dolicholatirus belongs to Fasciolariidae'
- 'Dolichupis was reranked as Trivia (Dolichupis) and belongs to Trivia'
- 'Dunkeria belongs to Pyramidellidae'
- 'Ebalidae belongs to Pyramidelloidea'
- 'Ebalina was reranked as Eulimella (Ebalina) and belongs to Eulimella'
- 'Eburna was reranked as Ancilla (Eburna) and belongs to Ancilla'
- 'Echinophoria belongs to Cassidae'
- 'Elachisina belongs to Elachisinidae'
- 'Elachisinidae belongs to Rissooidea'
- 'Elephantanellum belongs to Caecidae'
- 'Elephantulum belongs to Caecidae'
- 'Ellobiidae belongs to Ellobioidea'
- 'Ellobioidea belongs to Eupulmonata'
- 'Emarginula belongs to Fissurellidae'
- 'Enaeta belongs to Volutidae'
- 'Engina belongs to Buccinidae'
- 'Entemnotrochus was reranked as Perotrochus (Entemnotrochus) and belongs to Perotrochus'
- 'Epitoniidae belongs to Janthinoidea'
- 'Epitonium belongs to Epitoniidae'
- 'Epitonium (Epitonium) belongs to Epitonium'
- 'Erato belongs to Triviidae'
- 'Eratoidea belongs to Marginellidae'
- 'Erosaria belongs to Cypraeidae'
- 'Euchelus belongs to Trochidae'
- 'Euclia was reranked as Cancellaria (Euclia) and belongs to Cancellaria'
- 'Eulima belongs to Eulimidae'
- 'Eulimastoma belongs to Pyramidellidae'
- 'Eulimella belongs to Pyramidellidae'
- 'Eulimidae belongs to Eulimoidea'
- 'Eulimoidea belongs to Ptenoglossa'
- 'Eumetadrillia was reranked as Agladrillia (Eumetadrillia) and belongs to Agladrillia'
- 'Eupleura belongs to Muricidae'
- 'Eupulmonata belongs to Pulmonata'
- 'Fartulum belongs to Caecidae'
- 'Fasciolaria belongs to Fasciolariidae'
- 'Fasciolariidae belongs to Muricoidea'
- 'Favartia belongs to Muricidae'
- 'Favartia (Favartia) belongs to Favartia' according to Jousseaume 1880
- 'Favartia (Favartia) belongs to Favartia'
- 'Ficidae belongs to Ficoidea'
- 'Ficoidea belongs to Littorinimorpha'
- 'Ficus belongs to Ficidae'
- 'Fimbriatella belongs to Mathildidae'
- 'Fissurella belongs to Fissurellidae'
- 'Fissurellacea is corrected as Fissurelloidea and belongs to Vetigastropoda'
- 'Fissurellidae belongs to Fissurelloidea'
- 'Folinia belongs to Rissoidae'
- 'Fossarus belongs to Planaxidae'
- 'Fulgurofusus belongs to Turbinellidae'
- 'Fulgurofusus (Fulgurofusus) belongs to Fulgurofusus' according to Grabau 1815
- 'Fusimitra belongs to Mitridae'
- 'Fusinus belongs to Fasciolariidae'
- 'Gemophos was reranked as Cantharus (Gemophos) and belongs to Cantharus'
- 'Gibberula belongs to Cystiscidae'
- 'Glabella belongs to Marginellidae'
- 'Glossaulax was reranked as Neverita (Glossaulax) and belongs to Neverita'
- 'Glyphostoma belongs to Turridae'
- 'Glyphostoma (Euglyphostoma) belongs to Glyphostoma' according to Woodring 1970
- 'Glyphostoma (Euglyphostoma) belongs to Glyphostoma'
- 'Glyphostoma (Glyphostoma) belongs to Glyphostoma' according to Gabb 1872
- 'Glyphostoma (Glyphostoma) belongs to Glyphostoma'
- 'Glyphostoma exopilatum is recombined as Glyphostoma (Glyphostoma) exopilatum'
- 'Glyphostoma gabbi is recombined as Glyphostoma (Glyphostoma) gabbi'
- 'Glyphostoma golfoyaquensis is recombined as Glyphostoma (Glyphostoma) golfoyaquensis'
- 'Glyphostoma guppyi is recombined as Glyphostoma (Glyphostoma) guppyi'
- 'Glyphoturris belongs to Turridae'
- 'Glyptanachis belongs to Columbellidae'
- 'Granula belongs to Marginellidae'
- 'Granulina belongs to Cystiscidae'
- 'Gyroscala was reranked as Epitonium (Gyroscala) and belongs to Epitonium'
- 'Haminoea belongs to Haminoeidae'
- 'Haminoeidae belongs to Haminoeoidea'
- 'Haminoeoidea belongs to Cephalaspidea'
- 'Hapalorbis was reranked as Solariorbis (Hapalorbis) and belongs to Solariorbis'
- 'Haplocochlias belongs to Skeneidae'
- 'Harpa belongs to Harpidae'
- 'Harpidae belongs to Muricoidea'
- 'Hastula belongs to Terebridae'
- 'Haustellotyphis was reranked as Typhis (Haustellotyphis) and belongs to Typhis'
- 'Haustellum belongs to Muricidae'
- 'Heliacus belongs to Architectonicidae'
- 'Heliacus (Heliacus) belongs to Heliacus' according to d'Orbigny 1842
- 'Heliacus (Heliacus) belongs to Heliacus'
- 'Hemitoma belongs to Fissurellidae'
- 'Hemitoma (Hemitoma) belongs to Hemitoma'
- 'Hespererato was reranked as Erato (Hespererato) and belongs to Erato'
- 'Heterobranchia belongs to Orthogastropoda'
- 'Heterosiphonaria was reranked as Siphonaria (Heterosiphonaria) and belongs to Siphonaria'
- 'Hexaplex belongs to Muricidae'
- 'Hindsiclava belongs to Turridae'
- 'Hinia was reranked as Nassarius (Hinia) and belongs to Nassarius'
- 'Hipponicidae belongs to Vanikoroidea'
- 'Hipponyx is corrected as Hipponix and belongs to Hipponicidae'
- 'Hirtoscala was reranked as Epitonium (Hirtoscala) and belongs to Epitonium'
- 'Homalocantha belongs to Muricidae'
- 'Homalopoma belongs to Turbinidae'
- 'Ianacus was reranked as Crepidula (Ianacus) and belongs to Crepidula'
- 'Idioraphe was reranked as Teinostoma (Idioraphe) and belongs to Teinostoma'
- 'Iselica belongs to Amathinidae' according to Dall 1918
- 'Ithycythara belongs to Turridae'
- 'Ivara belongs to Pyramidellidae' according to Dall and Bartsch 1913
- 'Ivara belongs to Pyramidellidae'
- 'Ividella belongs to Pyramidellidae' according to Dall and Bartsch 1909
- 'Janthinoidea belongs to Ptenoglossa'
- 'Jenneria belongs to Ovulidae'
- 'Kleinella belongs to Pyramidellidae'
- 'Kurtziella belongs to Turridae'
- 'Kylix belongs to Turridae'
- 'Laevityphis was reranked as Siphonochelus (Laevityphis) and belongs to Siphonochelus'
- 'Lamellaria belongs to Velutinidae'
- 'Lamprodoma was reranked as Olivella (Lamprodoma) and belongs to Olivella'
- 'Latiaxis belongs to Coralliophilidae'
- 'Latiaxis (Tarantelaxis) belongs to Latiaxis' according to Habe 1970
- 'Latiaxis (Tarantelaxis) belongs to Latiaxis'
- 'Latirus belongs to Fasciolariidae'
- 'Latirus (Latirus) belongs to Latirus' according to Montfort 1810
- 'Latirus (Latirus) belongs to Latirus'
- 'Lentigo was reranked as Strombus (Lentigo) and belongs to Strombus'
- 'Lepicythara belongs to Turridae'
- 'Leptothyropsis was reranked as Homalopoma (Leptothyropsis) and belongs to Homalopoma'
- 'Leucozonia belongs to Fasciolariidae'
- 'Leurolepas belongs to Fissurellidae'
- 'Levenia was reranked as Cypraecassis (Levenia) and belongs to Cypraecassis'
- 'Limacina belongs to Limacinidae'
- 'Limacinidae belongs to Thecosomata'
- 'Lioglyphostoma belongs to Turridae'
- 'Lithopoma was reranked as Astraea (Lithopoma) and belongs to Astraea'
- 'Litiopinae was reranked as the family Litiopidae and belongs to Cerithioidea'
- 'Littoraria belongs to Littorinidae'
- 'Littorina belongs to Littorinidae'
- 'Littorinacea is corrected as Littorinoidea and belongs to Littorinimorpha'
- 'Littorinidae belongs to Littorinoidea'
- 'Longchaeus belongs to Pyramidellidae'
- 'Lottiidae belongs to Acmaeoidea'
- 'Lucapina belongs to Fissurellidae'
- 'Lucapinella belongs to Fissurellidae'
- 'Macrarene belongs to Turbinidae'
- 'Macrocypraea belongs to Cypraeidae'
- 'Macromphalus belongs to Vanikoridae'
- 'Maesiella belongs to Turridae'
- 'Malea belongs to Tonnidae'
- 'Mancinella was reranked as Thais (Mancinella) and belongs to Thais'
- 'Mangilia is corrected as Mangelia and belongs to Turridae'
- 'Marginella belongs to Marginellidae'
- 'Marginella (Volvarina) was reranked as Volvarina and belongs to Marginellidae'
- 'Marginellidae belongs to Muricoidea'
- 'Marmarostoma was reranked as Turbo (Marmarostoma) and belongs to Turbo'
- 'Marsupina belongs to Bursidae'
- 'Massyla was reranked as Cancellaria (Massyla) and belongs to Cancellaria'
- 'Mathilda belongs to Mathildidae'
- 'Mathildidae belongs to Architectonicoidea'
- 'Mazatlania belongs to Columbellidae'
- 'Megalomphalus belongs to Vanikoridae'
- 'Meioceras belongs to Caecidae'
- 'Melampus belongs to Ellobiidae'
- 'Melanella belongs to Eulimidae'
- 'Melongena belongs to Melongenidae'
- 'Melongenidae belongs to Muricoidea'
- 'Metaphos belongs to Buccinidae'
- 'Metula belongs to Buccinidae'
- 'Micranellum belongs to Caecidae'
- 'Microcithara belongs to Columbellidae'
- 'Microdrillia belongs to Turridae'
- 'Microgaza belongs to Trochidae'
- 'Microstelma belongs to Rissoidae'
- 'Microvoluta belongs to Volutomitridae'
- 'Milda belongs to Pyramidellidae'
- 'Mirachelus was reranked as Euchelus (Mirachelus) and belongs to Euchelus'
- 'Miraclathurella belongs to Turridae'
- 'Miralda belongs to Pyramidellidae'
- 'Mitra belongs to Mitridae'
- 'Mitra (Isara) belongs to Mitridae'
- 'Mitra (Isara) belongs to Mitra' according to H. Adams and A. Adams 1853
- 'Mitra (Mitra) belongs to Mitra' according to Lamarck 1798
- 'Mitra (Mitra) belongs to Mitridae'
- 'Mitrella belongs to Columbellidae'
- 'Mitridae belongs to Muricoidea'
- 'Mitrolumna belongs to Turridae'
- 'Modulidae belongs to Cerithioidea'
- 'Modulus belongs to Modulidae'
- 'Monoplex was reranked as Cymatium (Monoplex) and belongs to Cymatium'
- 'Montfortia was reranked as Hemitoma (Montfortia) and belongs to Hemitoma'
- 'Morula belongs to Muricidae'
- 'Morum belongs to Harpidae'
- 'Morum (Morum) belongs to Morum'
- 'Muracypraea belongs to Cypraeidae'
- 'Murexiella belongs to Muricidae'
- 'Murexiella (Murexiella) belongs to Murexiella' according to Clench and Farfante 1945
- 'Murexiella (Murexiella) belongs to Murexiella'
- 'Murexiella (Subpterynotus) belongs to Murexiella'
- 'Muricanthus belongs to Muricidae'
- 'Muricidae belongs to Muricoidea'
- 'Muricoidea belongs to Neogastropoda'
- 'Muricopsis belongs to Muricidae'
- 'Muricopsis (Muricopsis) belongs to Muricopsis' according to Bucquoy et al. 1882
- 'Muricopsis (Muricopsis) belongs to Muricopsis'
- 'Muricopsis (Risomurex) belongs to Muricopsis' according to Olsson and McGinty 1958
- 'Muricopsis (Risomurex) belongs to Muricopsis'
- 'Nanarius was reranked as Nassarius (Nanarius) and belongs to Nassarius'
- 'Naquetia was reranked as Chicoreus (Naquetia) and belongs to Chicoreus'
- 'Narona belongs to Cancellariidae'
- 'Nassaria belongs to Nassariidae'
- 'Nassaria (Nassaria) belongs to Nassaria' according to Link 1807
- 'Nassaria (Nassaria) belongs to Nassaria'
- 'Nassariidae belongs to Muricoidea'
- 'Nassarina belongs to Columbellidae'
- 'Nassarina (Cigclirina) belongs to Nassarina' according to Woodring 1928
- 'Nassarina (Cigclirina) belongs to Nassarina'
- 'Nassarina (Nassarina) belongs to Nassarina'
- 'Nassarina (Nassarina) belongs to Nassarina' according to Dall 1889
- 'Nassarina (Steironepion) belongs to Nassarina'
- 'Nassarina (Steironepion) belongs to Nassarina' according to Pilsbry and Lowe 1932
- 'Nassarina (Zanassarina) belongs to Nassarina'
- 'Nassarius belongs to Nassariidae'
- 'Nassarius (Nassarius) belongs to Nassarius' according to Duméril 1806
- 'Natica belongs to Naticidae'
- 'Natica (Natica) belongs to Natica'
- 'Naticacea is corrected as Naticoidea and belongs to Littorinimorpha'
- 'Naticarius was reranked as Natica (Naticarius) and belongs to Natica'
- 'Naticidae belongs to Naticoidea'
- 'Nebularia was reranked as Mitra (Nebularia) and belongs to Mitra'
- 'Neorapana belongs to Muricidae'
- 'Neosconsia belongs to Buccinidae'
- 'Neoteron belongs to Nassariidae'
- 'Nerita belongs to Neritidae'
- 'Nerita (Nerita) belongs to Nerita'
- 'Nerita (Theliostyla) belongs to Nerita'
- 'Neritacea belongs to Neritopsina'
- 'Neritidae belongs to Neritoidea'
- 'Neritina belongs to Neritidae'
- 'Nesta belongs to Fissurellidae'
- 'Neverita belongs to Naticidae'
- 'Neverita (Hypterita) belongs to Neverita'
- 'Nicema belongs to Buccinidae'
- 'Niso belongs to Eulimidae'
- 'Nitidella belongs to Columbellidae'
- 'Nitidiscala was reranked as Epitonium (Nitidiscala) and belongs to Epitonium'
- 'Nodilittorina belongs to Littorinidae'
- 'Nodiscala was reranked as Opalia (Nodiscala) and belongs to Opalia'
- 'Northia belongs to Buccinidae'
- 'Notaspidea belongs to Opisthobranchia'
- 'Notoacmea belongs to Lottiidae'
- 'Ochetoclava was reranked as Rhinoclavis (Ochetoclava) and belongs to Rhinoclavis'
- 'Odostomia belongs to Pyramidellidae'
- 'Oliva belongs to Olividae'
- 'Oliva (Oliva) belongs to Oliva' according to Bruguière 1789
- 'Oliva (Oliva) belongs to Oliva'
- 'Oliva (Strephonella) belongs to Oliva'
- 'Olivancillaria (Agaronia) was reranked as Agaronia and belongs to Olividae'
- 'Olivella belongs to Olividae'
- 'Olivella (Dactylidella) belongs to Olivella'
- 'Olivella (Macgintiella) belongs to Olivella'
- 'Olivella (Minioliva) belongs to Olivella'
- 'Olivella (Niteoliva) belongs to Olivella' according to Olsson 1956
- 'Olivella (Niteoliva) belongs to Olivella'
- 'Olivella (Olivella) belongs to Olivella' according to Swainson 1831
- 'Olivella (Olivella) belongs to Olivella'
- 'Olivella (Orbignytesta) belongs to Olivella' according to Klappenbach 1962
- 'Olivella (Orbignytesta) belongs to Olivella'
- 'Olivella (Pachyoliva) belongs to Olivella'
- 'Olivella (Toroliva) belongs to Olivella' according to Olsson and Harbison 1953
- 'Olivella (Toroliva) belongs to Olivella'
- 'Olivella (Zanoetella) belongs to Olivella'
- 'Olividae belongs to Muricoidea'
- 'Omalogyra belongs to Omalogyridae'
- 'Omalogyridae belongs to Omalogyroidea'
- 'Omalogyroidea belongs to Heterobranchia'
- 'Ondina belongs to Pyramidellidae'
- 'Oniscidia was reranked as Morum (Oniscidia) and belongs to Morum'
- 'Oocorys belongs to Cassidae'
- 'Opalia belongs to Epitoniidae'
- 'Opalia (Opalia) belongs to Opalia' according to H. Adams and A. Adams 1858
- 'Opeatostoma belongs to Fasciolariidae'
- 'Orania belongs to Muricidae'
- 'Ovilia was reranked as Cancellaria (Ovilia) and belongs to Cancellaria'
- 'Ovulidae belongs to Cypraeoidea'
- 'Pachycythara belongs to Turridae'
- 'Panacochlea was reranked as Homalopoma (Panacochlea) and belongs to Homalopoma'
- 'Paraborsonia belongs to Turridae'
- 'Parametaria belongs to Columbellidae'
- 'Paravolvulella was reranked as Volvulella (Paravolvulella) and belongs to Volvulella'
- 'Parvanachis belongs to Columbellidae'
- 'Parviturbo belongs to Skeneidae'
- 'Parviturboides belongs to Vitrinellidae'
- 'Patelloida belongs to Lottiidae'
- 'Paziella was reranked as Poirieria (Paziella) and belongs to Poirieria'
- 'Paziella (Panamurex) is reassigned into Poirieria'
- 'Pedipes belongs to Ellobiidae'
- 'Peristernia belongs to Fasciolariidae'
- 'Peristichia belongs to Pyramidellidae'
- 'Perotrochus belongs to Pleurotomariidae'
- 'Persicula belongs to Cystiscidae'
- 'Personidae belongs to Tonnoidea'
- 'Petaloconchus belongs to Vermetidae'
- 'Petaloconchus (Macrophragma) was reranked as Macrophragma and belongs to Vermetidae'
- 'Phalium belongs to Cassidae'
- 'Pharcidella belongs to Pyramidellidae'
- 'Phenacolepadidae belongs to Neritoidea'
- 'Phenacolepas belongs to Phenacolepadidae'
- 'Philbertia belongs to Turridae'
- 'Philbertia (Nannodiella) was reranked as Nannodiella and belongs to Turridae'
- 'Philinoidea belongs to Cephalaspidea'
- 'Philippia belongs to Architectonicidae'
- 'Phosinella was reranked as Rissoina (Phosinella) and belongs to Rissoina'
- 'Phyllocoma belongs to Muricidae'
- 'Phyllonotus was reranked as Chicoreus (Phyllonotus) and belongs to Chicoreus'
- 'Phymorhynchus belongs to Turridae'
- 'Pickworthiidae belongs to Littorinoidea'
- 'Pictoscala was reranked as Epitonium (Pictoscala) and belongs to Epitonium'
- 'Pilsbryspira belongs to Turridae'
- 'Pilsbryspira (Pilsbryspira) belongs to Pilsbryspira' according to Bartsch 1950
- 'Pilsbryspira (Pilsbryspira) belongs to Pilsbryspira'
- 'Pisania belongs to Buccinidae'
- 'Planaxidae belongs to Cerithioidea'
- 'Pleuroploca belongs to Fasciolariidae'
- 'Pleurotoma (Clavus) interstrigata is recombined as Buchema interstrigata'
- 'Pleurotoma (Glyphostoma) mexicana is recombined as Glyphostoma (Glyphostoma) mexicana'
- 'Pleurotoma (Pleurofusia) was reranked as Pleurofusia and belongs to Turridae'
- 'Pleurotomariacea is corrected as Pleurotomarioidea and belongs to Vetigastropoda'
- 'Pleurotomariidae belongs to Pleurotomarioidea'
- 'Pleurotomella belongs to Turridae'
- 'Pleurotomoides belongs to Turridae'
- 'Poirieria belongs to Muricidae'
- 'Poirieria (Pazinotus) belongs to Poirieria'
- 'Poirieria (Poirieria) belongs to Poirieria' according to Jousseaume 1880
- 'Poirieria (Poirieria) belongs to Poirieria'
- 'Polinices belongs to Naticidae'
- 'Polygireulima belongs to Eulimidae'
- 'Polygona was reranked as Latirus (Polygona) and belongs to Latirus'
- 'Polygona was reranked as Latirus (Polygona) and belongs to Latirus' according to Schumacher 1817
- 'Polystira belongs to Turridae'
- 'Ponocyclus was reranked as Cyclostremiscus (Ponocyclus) and belongs to Cyclostremiscus'
- 'Potamides belongs to Potamididae'
- 'Potamidinae was reranked as the family Potamididae and belongs to Cerithioidea'
- 'Proadusta belongs to Cypraeidae'
- 'Proximitra belongs to Volutomitridae'
- 'Proximitra (Proximitra) belongs to Proximitra' according to Finlay 1927
- 'Proximitra (Proximitra) belongs to Proximitra'
- 'Psammodulus belongs to Modulidae'
- 'Pseudocyphoma was reranked as Cyphoma (Pseudocyphoma) and belongs to Cyphoma'
- 'Pseudodiala belongs to Barleeiidae'
- 'Pseudolividae belongs to Muricoidea'
- 'Pseudomalaxis belongs to Architectonicidae'
- 'Pseudomalaxis (Extractrix) is reassigned into Trigonostoma'
- 'Pseudorotella was reranked as Teinostoma (Pseudorotella) and belongs to Teinostoma'
- 'Pseudotorinia belongs to Architectonicidae'
- 'Psilarius belongs to Nassariidae'
- 'Psilaxis belongs to Architectonicidae'
- 'Pterochelus belongs to Muricidae'
- 'Pteropurpura belongs to Muricidae'
- 'Pterotyphis belongs to Muricidae'
- 'Pterotyphis (Pterotyphis) belongs to Pterotyphis' according to Jousseaume 1881
- 'Pterotyphis (Pterotyphis) belongs to Pterotyphis'
- 'Pterynotus belongs to Muricidae'
- 'Pterynotus (Pterynotus) belongs to Pterynotus'
- 'Ptycheulimella belongs to Pyramidellidae'
- 'Ptychobela belongs to Turridae'
- 'Puncturella belongs to Fissurellidae'
- 'Puperita belongs to Neritidae'
- 'Purpura belongs to Muricidae'
- 'Purpurellus was reranked as Pterynotus (Purpurellus) and belongs to Pterynotus'
- 'Pusula was reranked as Trivia (Pusula) and belongs to Trivia'
- 'Pygmaepterys belongs to Muricidae'
- 'Pyramidella belongs to Pyramidellidae'
- 'Pyramidellacea is corrected as Pyramidelloidea and belongs to Heterobranchia'
- 'Pyramidellidae belongs to Pyramidelloidea'
- 'Pyrazisinus was reranked as Terebralia (Pyrazisinus) and belongs to Terebralia'
- 'Pyrgiscus belongs to Pyramidellidae'
- 'Pyrgocythara belongs to Turridae'
- 'Pyrgolampros belongs to Pyramidellidae'
- 'Pyrgospira belongs to Turridae'
- 'Pyrgulina belongs to Pyramidellidae'
- 'Quoyula belongs to Coralliophilidae'
- 'Ranellidae belongs to Tonnoidea'
- 'Ranularia was reranked as Cymatium (Ranularia) and belongs to Cymatium'
- 'Retusidae belongs to Philinoidea'
- 'Rhinoclavis belongs to Cerithiidae'
- 'Rhinocoryne belongs to Batillariidae'
- 'Rhombinella belongs to Columbellidae'
- 'Rictaxis belongs to Acteonidae'
- 'Rimosodaphnella belongs to Turridae'
- 'Rimula belongs to Fissurellidae'
- 'Ringicula belongs to Ringiculidae'
- 'Ringiculella was reranked as Ringicula (Ringiculella) and belongs to Ringicula'
- 'Ringiculidae belongs to Ringiculoidea'
- 'Ringiculoidea belongs to Cephalaspidea'
- 'Rissoidae belongs to Rissoidea'
- 'Rissoina belongs to Rissoidae'
- 'Rissoina (Rissoina) belongs to Rissoina'
- 'Rissooidea belongs to Littorinimorpha'
- 'Ritena was reranked as Nerita (Ritena) and belongs to Nerita'
- 'Roxania belongs to Haminoeoidea'
- 'Rubellatoma belongs to Turridae'
- 'Ruthia belongs to Columbellidae'
- 'Saccharoturris belongs to Turridae'
- 'Saccoina was reranked as Anisocycla (Saccoina) and belongs to Anisocycla'
- 'Salassia belongs to Pyramidellidae'
- 'Sansonia belongs to Pickworthiidae'
- 'Sayella belongs to Pyramidellidae'
- 'Scalenostoma belongs to Eulimidae'
- 'Scalina belongs to Epitoniidae'
- 'Scaliolidae belongs to Cerithioidea'
- 'Scaphander belongs to Cylichnidae'
- 'Scaphella belongs to Volutidae'
- 'Schwartziella belongs to Rissoidae'
- 'Schwartziella was reranked as Schwartziella (Schwartziella) and belongs to Schwartziella' according to Nevill 1881
- 'Schwartziella was reranked as Schwartziella (Schwartziella) and belongs to Schwartziella'
- 'Scobinella belongs to Turridae'
- 'Sconsia belongs to Cassidae'
- 'Scurria belongs to Lottiidae'
- 'Sedilia belongs to Turridae'
- 'Seguenzia belongs to Seguenziidae'
- 'Seguenziidae belongs to Seguenzioidea'
- 'Seguenzioidea belongs to Vetigastropoda'
- 'Semicassis belongs to Cassidae'
- 'Septa was reranked as Cymatium (Septa) and belongs to Cymatium'
- 'Serpulorbis belongs to Vermetidae'
- 'Sigaretus (Sigatica) was reranked as Sigatica and belongs to Naticidae'
- 'Siliquariidae belongs to Cerithioidea'
- 'Simnia belongs to Ovulidae'
- 'Sincola belongs to Columbellidae'
- 'Sincola (Dorsina) belongs to Sincola'
- 'Sincola (Sinaxila) belongs to Sincola'
- 'Sincola (Sincola) belongs to Sincola' according to Olsson and Harbison 1953
- 'Sincola (Sincola) belongs to Sincola'
- 'Sincola (Sinuina) belongs to Sincola'
- 'Sinum belongs to Naticidae'
- 'Siphonaria belongs to Siphonariidae'
- 'Siphonariidae belongs to Siphonarioidea'
- 'Siphonarioidea belongs to Basommatophora'
- 'Siphonochelus belongs to Muricidae'
- 'Siphonochelus (Siphonochelus) belongs to Siphonochelus' according to Jousseaume 1880
- 'Siphonochelus (Siphonochelus) belongs to Siphonochelus'
- 'Siratus was reranked as Chicoreus (Siratus) and belongs to Chicoreus'
- 'Skeneadae is corrected as Skeneidae and belongs to Trochoidea'
- 'Smaragdia belongs to Neritidae'
- 'Solariella belongs to Trochidae'
- 'Solariorbis belongs to Vitrinellidae'
- 'Solarium (Granosolarium) was reranked as Granosolarium and belongs to Architectonicidae'
- 'Solenosteira belongs to Buccinidae'
- 'Spirolaxis belongs to Architectonicidae'
- 'Splendrillia belongs to Turridae'
- 'Springvaleia belongs to Turritellidae'
- 'Stenorhytis is corrected as Sthenorytis and belongs to Epitoniidae'
- 'Stigmaulax belongs to Naticidae'
- 'Stilifer belongs to Eulimidae'
- 'Stramonita was reranked as Thais (Stramonita) and belongs to Thais'
- 'Strictispira belongs to Turridae'
- 'Strigatella was reranked as Mitra (Strigatella) and belongs to Mitra'
- 'Strioterebrum belongs to Terebridae'
- 'Strioturbonilla belongs to Pyramidellidae'
- 'Strombacea is corrected as Stromboidea and belongs to Littorinimorpha'
- 'Strombidae belongs to Stromboidea'
- 'Strombina belongs to Columbellidae'
- 'Strombina (Costangula) belongs to Strombina'
- 'Strombina (Lirastrombina) belongs to Strombina'
- 'Strombina (Recurvina) belongs to Strombina'
- 'Strombina (Spiralta) belongs to Strombina'
- 'Strombina (Strombina) belongs to Strombina' according to Mörch 1858
- 'Strombina (Strombina) belongs to Strombina'
- 'Strombinella belongs to Columbellidae'
- 'Strombinophos belongs to Columbellidae'
- 'Strombinoturris belongs to Turridae'
- 'Strombus belongs to Strombidae'
- 'Strombus (Macrostrombus) belongs to Strombus' according to Petuch 1994
- 'Strombus (Macrostrombus) belongs to Strombus'
- 'Strombus (Strombus) belongs to Strombus'
- 'Styliola belongs to Cavoliniidae'
- 'Suavotrochus belongs to Trochidae'
- 'Subcancilla belongs to Mitridae'
- 'Sulcoretusa belongs to Retusidae'
- 'Sveltia was reranked as Cancellaria (Sveltia) and belongs to Cancellaria'
- 'Synaptocochlea belongs to Trochidae'
- 'Syntomodrillia belongs to Turridae'
- 'Systellomphalus was reranked as Solariorbis (Systellomphalus) and belongs to Solariorbis'
- 'Talityphis was reranked as Typhis (Talityphis) and belongs to Typhis'
- 'Tectonatica belongs to Naticidae'
- 'Tegula belongs to Trochidae'
- 'Tegula (Tegula) belongs to Tegula' according to Lesson 1835
- 'Tegula (Tegula) belongs to Tegula'
- 'Teinostoma belongs to Vitrinellidae'
- 'Teinostoma (Ellipetylus) belongs to Teinostoma' according to Pilsbry and McGinty 1945
- 'Teinostoma (Ellipetylus) belongs to Teinostoma'
- 'Tenagodus belongs to Siliquariidae'
- 'Tenaturris belongs to Turridae'
- 'Terebra belongs to Terebridae'
- 'Terebra (Myurellina) belongs to Terebra'
- 'Terebra (Oreoterebra) belongs to Terebra'
- 'Terebra (Panaterebra) belongs to Terebra' according to Olsson 1967
- 'Terebra (Panaterebra) belongs to Terebra'
- 'Terebralia belongs to Potamididae'
- 'Terebridae belongs to Conoidea'
- 'Thais belongs to Muricidae'
- 'Thais (Thais) belongs to Thais' according to Röding 1798
- 'Thaisella was reranked as Thais (Thaisella) and belongs to Thais'
- 'Thala belongs to Costellariidae'
- 'Thecosomata belongs to Opisthobranchia'
- 'Thelecythara belongs to Turridae'
- 'Thylacodes was reranked as Vermetus (Thylaeodus) and belongs to Vermetus'
- 'Tiariturris belongs to Turridae'
- 'Tonna belongs to Tonnidae'
- 'Tonnacea is corrected as Tonnoidea and belongs to Littorinimorpha'
- 'Tonnidae belongs to Tonnoidea'
- 'Torinista was reranked as Heliacus (Torinista) and belongs to Heliacus'
- 'Trachypollia belongs to Muricidae'
- 'Trajana belongs to Nassariidae'
- 'Trajana (Nerva) belongs to Trajana'
- 'Trajana (Trajana) belongs to Trajana' according to Gardner 1948
- 'Trajana (Trajana) belongs to Trajana'
- 'Tralia belongs to Ellobiidae'
- 'Trialatella belongs to Muricidae' according to Berry 1964
- 'Trialatella was reranked as Dermomurex (Trialatella) and belongs to Dermomurex'
- 'Tribia belongs to Cancellariidae'
- 'Tricolia belongs to Turbinidae'
- 'Tricornis was reranked as Strombus (Tricornis) and belongs to Strombus'
- 'Trigonostoma belongs to Cancellariidae'
- 'Triptychus belongs to Pyramidellidae'
- 'Tritonoharpa belongs to Cancellariidae'
- 'Triumphis belongs to Pseudolividae'
- 'Trivia belongs to Triviidae'
- 'Trivia (Trivia) belongs to Trivia'
- 'Triviidae belongs to Velutinoidea'
- 'Trochacea is corrected as Trochoidea and belongs to Vetigastropoda'
- 'Trochaclis belongs to Trochidae'
- 'Trochidae belongs to Trochoidea'
- 'Trochita belongs to Calyptraeidae'
- 'Truncaria belongs to Buccinidae'
- 'Truncatella belongs to Truncatellidae'
- 'Truncatellidae belongs to Rissooidea'
- 'Turbinella belongs to Turbinellidae'
- 'Turbinellidae belongs to Muricoidea'
- 'Turbinidae belongs to Trochoidea'
- 'Turbo belongs to Turbinidae'
- 'Turbo (Taeniaturbo) belongs to Turbo'
- 'Turbonilla belongs to Pyramidellidae'
- 'Turcica belongs to Trochidae'
- 'Turridae belongs to Conoidea'
- 'Turritella belongs to Turritellidae'
- 'Turritellidae belongs to Cerithioidea'
- 'Turritriton was reranked as Cymatium (Turritriton) and belongs to Cymatium'
- 'Tylocassis was reranked as Semicassis (Tylocassis) and belongs to Semicassis'
- 'Tylodina belongs to Tylodinidae'
- 'Tylodinidae belongs to Tylodinoidea'
- 'Tylodinoidea belongs to Notaspidea'
- 'Typhina was reranked as Typhina (Typhina) and belongs to Typhis'
- 'Typhinellus was reranked as Typhis (Typhinellus) and belongs to Typhis'
- 'Typhis belongs to Muricidae'
- 'Typhis (Pilsbrytyphis) was reranked as Siphonochelus (Pilsbrytyphis) and belongs to Siphonochelus'
- 'Typhis (Rugotyphis) belongs to Typhis'
- 'Typhis (Typhis) belongs to Typhis' according to Montfort 1810
- 'Typhisopsis was reranked as Typhis (Typhisopsis) and belongs to Typhis'
- 'Ugartea belongs to Pyramidellidae'
- 'Umbonium belongs to Trochidae'
- 'Umbraculidae belongs to Tylodinoidea'
- 'Umbraculum belongs to Umbraculidae'
- 'Uromitra belongs to Costellariidae'
- 'Urosalpinx belongs to Muricidae'
- 'Uzita was reranked as Nassarius (Uzita) and belongs to Nassarius'
- 'Vanikoridae belongs to Vanikoroidea'
- 'Vanikoro belongs to Vanikoridae'
- 'Vanikoroidea belongs to Littorinimorpha'
- 'Vasum belongs to Turbinellidae'
- 'Vasum (Vasum) belongs to Vasum' according to Röding 1798
- 'Vasum (Vasum) belongs to Vasum'
- 'Vaughanites belongs to Turridae'
- 'Velutinidae belongs to Velutinoidea'
- 'Velutinoidea belongs to Littorinimorpha'
- 'Ventrilia was reranked as Trigonostoma (Ventrilia) and belongs to Trigonostoma'
- 'Vermetidae belongs to Vermetoidea'
- 'Vermetoidea belongs to Littorinimorpha'
- 'Vermetus belongs to Vermetidae'
- 'Vermicularia belongs to Turritellidae'
- 'Vexillum belongs to Costellariidae'
- 'Vexillum (Costellaria) belongs to Vexillum'
- 'Vexillum (Pusia) belongs to Vexillum'
- 'Vitricythara belongs to Turridae'
- 'Vitrinella belongs to Vitrinellidae'
- 'Vitrinella (Vitrinella) belongs to Vitrinella' according to C. B. Adams 1850
- 'Vitrinella (Vitrinella) belongs to Vitrinella'
- 'Vitrinellidae belongs to Rissooidea'
- 'Vitrinellops was reranked as Vitrinella (Vitrinellops) and belongs to Vitrinella'
- 'Vitta belongs to Neritidae'
- 'Vitularia belongs to Muricidae'
- 'Voluta belongs to Volutidae'
- 'Volutidae belongs to Muricoidea'
- 'Volutomitridae belongs to Muricoidea'
- 'Volvulella belongs to Retusidae'
- 'Volvulella (Volvulella) belongs to Volvulella' according to Newton 1891
- 'Volvulella (Volvulella) belongs to Volvulella'
- 'Weinkauffia was reranked as Atys (Weinkauffia) and belongs to Atys'
- 'Williamia belongs to Siphonariidae'
- 'Xanthodaphne belongs to Turridae'
- 'Xenophora belongs to Xenophoridae'
- 'Xenophora (Onustus) was reranked as Onustus and belongs to Xenophoridae'
- 'Xenophoridae belongs to Xenophoroidea'
- 'Xenophoroidea belongs to Littorinimorpha'
- 'Zafrona belongs to Columbellidae'
- 'Zebina belongs to Rissoidae'
- 'Zebina (Zebina) belongs to Zebina' according to H. Adams and A. Adams 1854
- 'Zebina (Zebina) belongs to Zebina'
- 'Zonaria belongs to Cypraeidae'
- 'Zonulispira belongs to Turridae'