Opinions from W. F. Ponder and A. Warén 1988
- 'Abyssochrysidae belongs to Loxonematoidea'
- 'Aciculadae is corrected as Aciculidae and belongs to Cyclophoroidea'
- 'Aclididae belongs to Janthinoidea'
- 'Acmeidae is a subjective synonym of Aciculidae'
- 'Adelacerithiinae belongs to Triphoridae'
- 'Adeorbiidae belongs to Truncatelloidea'
- 'Admetinae belongs to Cancellariidae'
- 'Agaroniinae belongs to Olividae'
- 'Alcithoinae belongs to Volutidae'
- 'Amathinidae belongs to Pyramidellacea'
- 'Amorinae belongs to Haliinae'
- 'Amphiperatidae is a subjective synonym of Ovulidae'
- 'Ampullariidae belongs to Ampullarioidea'
- 'Ampullarioidea belongs to Architaenioglossa'
- 'Ampullellinae belongs to Ampullinidae'
- 'Ampullinidae belongs to Naticoidea'
- 'Ampullospirinae was reranked as the family Ampullospiridae and belongs to Ampullinidae'
- 'Anabathridae belongs to Truncatelloidea'
- 'Anaplocamidae belongs to Pachychilidae'
- 'Ancillinae belongs to Olividae'
- 'Annulariidae belongs to Littorinoidea'
- 'Aptyxiellidae belongs to Nerineoidea'
- 'Architaenioglossa belongs to Caenogastropoda'
- 'Architectonicidae belongs to Architectonicoidea'
- 'Assimineidae belongs to Truncatelloidea'
- 'Asterophilidae belongs to Eulimidae'
- 'Athletinae belongs to Volutidae'
- 'Atlantacea belongs to Carinarioidea'
- 'Atlantidae belongs to Carinarioidea'
- 'Auroraellidae belongs to Nerineoidea'
- 'Bactroptyxisidae belongs to Nerineoidea'
- 'Barleeiidae belongs to Truncatelloidea'
- 'Bembiciinae belongs to Rissellinae'
- 'Bithyniidae belongs to Truncatelloidea'
- 'Bohaispiridae belongs to Truncatelloidea'
- 'Borsoniinae belongs to Turridae'
- 'Brachytremidae belongs to Cerithioidea'
- 'Buccinidae belongs to Muricoidea'
- 'Bulimidae belongs to Bithyniidae'
- 'Bursidae belongs to Tonnoidea'
- 'Caecidae belongs to Truncatelloidea'
- 'Caenogastropoda belongs to Prosobranchia'
- 'Calyptraeidae belongs to Calyptraeoidea'
- 'Calyptraeoidea belongs to Discopoda'
- 'Campanilidae belongs to Cerithioidea'
- 'Cancellariidae belongs to Cancellarioidea'
- 'Cancellariinae belongs to Cancellariidae'
- 'Cancellarioidea belongs to Neogastropoda'
- 'Capulidae belongs to Calyptraeoidea'
- 'Carinariidae belongs to Carinarioidea'
- 'Carinarioidea belongs to Heteropoda'
- 'Cassidae belongs to Tonnoidea'
- 'Cassididae is a subjective synonym of Cassidae'
- 'Ceritellidae is a subjective synonym of Tubiferidae'
- 'Cerithiacea is corrected as Cerithioidea and belongs to Discopoda'
- 'Cerithiadae is corrected as Cerithiidae and belongs to Cerithioidea'
- 'Cerithideidae belongs to Cerithioidea'
- 'Cerithiopsidae belongs to Triphoroidea'
- 'Chondropomatidae belongs to Annulariidae'
- 'Choristidae is a subjective synonym of Polinicinae'
- 'Cingulopsoidea belongs to Discopoda'
- 'Clathurellinae belongs to Turridae'
- 'Clavatulinae belongs to Turridae'
- 'Coelostylinidae belongs to Loxonematoidea'
- 'Colombellinidae belongs to Stromboidea'
- 'Columbariinae belongs to Turbinellidae'
- 'Columbellidae belongs to Muricoidea'
- 'Conacea is corrected as Conoidea and belongs to Neogastropoda'
- 'Conidae belongs to Conoidea'
- 'Conorbiinae belongs to Turridae'
- 'Coralliophilinae belongs to Muricidae'
- 'Costellariidae belongs to Muricoidea'
- 'Craspedopomatidae belongs to Cyclophoroidea'
- 'Crassispirinae belongs to Turridae'
- 'Cyclophoridae belongs to Cyclophoroidea'
- 'Cyclophoroidea belongs to Architaenioglossa'
- 'Cyclozygidae belongs to Loxonematoidea'
- 'Cylindromitrinae belongs to Mitridae'
- 'Cymatiidae belongs to Neptunellininae'
- 'Cymatiinae belongs to Neptunellininae'
- 'Cypraeacea is corrected as Cypraeoidea and belongs to Discopoda'
- 'Cypraeidae belongs to Cypraeoidea'
- 'Dalmateidae belongs to Nerineoidea'
- 'Daphnellinae belongs to Turridae'
- 'Diastomidae belongs to Cerithioidea'
- 'Diplommatinidae belongs to Cyclophoroidea'
- 'Discopoda belongs to Neotaenioglossa'
- 'Drilliinae belongs to Turridae'
- 'Echinininae belongs to Littorinidae'
- 'Elachisinidae belongs to Truncatelloidea'
- 'Elatioriellidae belongs to Nerineoidea'
- 'Elegantellidae belongs to Nerineoidea'
- 'Emblandidae belongs to Truncatelloidea'
- 'Entoconchidae belongs to Eulimidae'
- 'Epigridae belongs to Truncatelloidea'
- 'Epitoniacea belongs to Janthinoidea'
- 'Epitoniidae belongs to Janthinoidea'
- 'Epitoniinae belongs to Epitoniidae'
- 'Eratoidae is an objective synonym of Eratoinae'
- 'Eratoinae belongs to Triviidae'
- 'Ergalataxinae belongs to Muricinae'
- 'Eulimidae belongs to Eulimoidea'
- 'Eulimoidea belongs to Ptenoglossa'
- 'Eustomidae belongs to Cerithioidea'
- 'Falsicingulidae belongs to Truncatelloidea'
- 'Fasciolariinae belongs to Buccinidae'
- 'Faxiidae belongs to Cerithioidea'
- 'Fibuloptygmatidae belongs to Nerineoidea'
- 'Fibulotyxisidae belongs to Nerineoidea'
- 'Ficidae belongs to Tonnoidea'
- 'Firolidae belongs to Carinarioidea'
- 'Fossaridae belongs to Cerithioidea'
- 'Fulgorariinae belongs to Volutidae'
- 'Galeodidae is a subjective synonym of Melongeniinae'
- 'Galeodoliidae belongs to Tonnoidea'
- 'Glauconiidae belongs to Cerithioidea'
- 'Graphidulinae belongs to Turbinellidae'
- 'Haliinae belongs to Volutidae'
- 'Harpagodidae belongs to Stromboidea'
- 'Harpidae belongs to Muricoidea'
- 'Heterobranchia belongs to Gastropoda'
- 'Heteropoda belongs to Neotaenioglossa'
- 'Hipponicacea belongs to Vanikoroidea'
- 'Hipponicidae belongs to Vanikoroidea'
- 'Hydrobiidae belongs to Truncatelloidea'
- 'Hydrococcidae belongs to Truncatelloidea'
- 'Imbricariinae belongs to Mitridae'
- 'Iravadiidae belongs to Truncatelloidea'
- 'Isospiridae belongs to Calyptraeoidea'
- 'Itieriidae belongs to Nerineoidea'
- 'Janthinidae belongs to Janthinoidea'
- 'Janthinoidea belongs to Ptenoglossa'
- 'Lacunidae belongs to Lacuninae'
- 'Lacuninae belongs to Littorinidae'
- 'Lamellariidae belongs to Lamellarioidea'
- 'Lamellarioidea belongs to Discopoda'
- 'Lamelliphoridae belongs to Xenophoroidea'
- 'Lavigeriidae belongs to Cerithioidea'
- 'Littorinacea is corrected as Littorinoidea and belongs to Discopoda'
- 'Littorinidae belongs to Littorinoidea'
- 'Littorininae belongs to Littorinidae'
- 'Loxonematacea is corrected as Loxonematoidea and belongs to Discopoda'
- 'Loxonematidae belongs to Loxonematoidea'
- 'Lyriinae belongs to Volutidae'
- 'Magilidae belongs to Coralliophilinae'
- 'Mangeliinae belongs to Turridae'
- 'Marginellidae belongs to Muricoidea'
- 'Mathildidae belongs to Architectonicoidea'
- 'Meekospiridae belongs to Subulitacea'
- 'Melanellidae belongs to Eulimidae'
- 'Melanopsinae was reranked as the family Melanopsidae and belongs to Cerithioidea'
- 'Melongeniinae belongs to Buccinidae'
- 'Mesogastropoda belongs to Neotaenioglossa'
- 'Metaxiinae belongs to Triphoridae'
- 'Micromelaniidae belongs to Hydrobiidae'
- 'Mitracea belongs to Muricoidea'
- 'Mitridae belongs to Muricoidea'
- 'Mitrinae belongs to Mitridae'
- 'Modulidae belongs to Cerithioidea'
- 'Moreinae belongs to Muricidae'
- 'Murchisoniacea is corrected as Murchisonioidea and belongs to Discopoda'
- 'Murchisoniidae belongs to Murchisonioidea'
- 'Muricidae belongs to Muricoidea'
- 'Muricinae belongs to Muricidae'
- 'Muricoidea belongs to Neogastropoda'
- 'Muricopsinae belongs to Muricinae'
- 'Nassariinae belongs to Buccinidae'
- 'Naticacea is corrected as Naticoidea and belongs to Discopoda'
- 'Naticidae belongs to Naticoidea'
- 'Neocyclotidae belongs to Cyclophoroidea'
- 'Neogastropoda belongs to Caenogastropoda'
- 'Neopupidae belongs to Cyclophoroidea'
- 'Neotaenioglossa belongs to Caenogastropoda'
- 'Neptunellininae belongs to Ranellidae'
- 'Nerineidae belongs to Nerineoidea'
- 'Nerinellidae belongs to Nerineoidea'
- 'Nystiellinae belongs to Epitoniidae'
- 'Obtortionidae belongs to Cerithioidea'
- 'Odontocymbiolinae belongs to Volutidae'
- 'Olivellinae belongs to Olividae'
- 'Olividae belongs to Muricoidea'
- 'Olivinae belongs to Olividae'
- 'Omalaxidae belongs to Architectonicoidea'
- 'Omalogyridae belongs to Omalogyroidea'
- 'Oocorythidae belongs to Cassidae'
- 'Orbitestellidae belongs to Valvatoidea'
- 'Ovulidae belongs to Cypraeoidea'
- 'Pachychilidae belongs to Cerithioidea'
- 'Paedophoropodidae belongs to Eulimidae'
- 'Paladmetidae belongs to Cancellariidae'
- 'Palaeonustidae belongs to Pseudophoridae'
- 'Palaeozygopleuridae belongs to Loxonematoidea'
- 'Personinae belongs to Ranellidae'
- 'Phaliinae belongs to Cassidae'
- 'Phaneroptyxisidae belongs to Nerineoidea'
- 'Photinae belongs to Buccinidae'
- 'Pianaridae belongs to Cerithioidea'
- 'Pickworthiidae belongs to Truncatelloidea'
- 'Planaxidae belongs to Cerithioidea'
- 'Planitrochidae belongs to Xenophoroidea'
- 'Plesiotritoninae belongs to Cancellariidae'
- 'Plethospiridae belongs to Murchisonioidea'
- 'Polinicinae belongs to Naticidae'
- 'Polyptyxisidae belongs to Nerineoidea'
- 'Pomatiasidae belongs to Littorinoidea'
- 'Pomatiopsidae belongs to Truncatelloidea'
- 'Potamidinae was reranked as the family Potamididae and belongs to Cerithioidea'
- 'Procerithiidae belongs to Cerithioidea'
- 'Prosobranchia belongs to Gastropoda'
- 'Pseudolivinae belongs to Olividae'
- 'Pseudomelaniidae belongs to Pseudomelanoidea'
- 'Pseudomelanoidea belongs to Discopoda'
- 'Pseudophoridae belongs to Xenophoroidea'
- 'Pseudosacculidae belongs to Lamellarioidea'
- 'Pseudozygopleurinae was reranked as the family Pseudozygopleuridae and belongs to Loxonematoidea'
- 'Ptenoglossa was reranked as a suborder and belongs to Neotaenioglossa'
- 'Pterosomatidae belongs to Carinarioidea'
- 'Pterotracheidae belongs to Firolidae'
- 'Ptychactractinae belongs to Turbinellidae'
- 'Pupinidae belongs to Cyclophoroidea'
- 'Purpurellidae belongs to Muricoidea'
- 'Purpurinidae belongs to Littorinoidea'
- 'Pyramidellidae belongs to Pyramidellacea'
- 'Pyrenidae belongs to Columbellidae'
- 'Pyrgulidae belongs to Truncatelloidea'
- 'Pyropsidae belongs to Muricoidea'
- 'Rachiglossa belongs to Muricoidea'
- 'Ranellidae belongs to Tonnoidea'
- 'Ranellinae belongs to Ranellidae'
- 'Rissellinae belongs to Littorinidae'
- 'Rissoacea belongs to Truncatelloidea'
- 'Rissoellidae belongs to Rissoelloidea'
- 'Rissoidae belongs to Truncatelloidea'
- 'Rissoininae belongs to Rissoidae'
- 'Sarganidae was reranked as the subfamily Sarganinae and belongs to Muricidae'
- 'Scalacea belongs to Janthinoidea'
- 'Scalidae is a subjective synonym of Epitoniidae'
- 'Seraphsidae belongs to Stromboidea'
- 'Sherborniidae belongs to Triphoroidea'
- 'Skeneopsidae belongs to Littorinoidea'
- 'Spirostylidae belongs to Loxonematoidea'
- 'Stenothyridae belongs to Truncatelloidea'
- 'Stiliferidae belongs to Eulimidae'
- 'Streptacididae belongs to Pyramidellacea'
- 'Strepturidae belongs to Pseudolivinae'
- 'Strictispirinae belongs to Turridae'
- 'Strombacea is corrected as Stromboidea and belongs to Discopoda'
- 'Strombidae belongs to Stromboidea'
- 'Strophostomatidae belongs to Cyclophoroidea'
- 'Struthiolariidae belongs to Stromboidea'
- 'Subulitacea belongs to Discopoda'
- 'Subulitidae belongs to Subulitacea'
- 'Syrnolopsidae belongs to Cerithioidea'
- 'Taurasinae belongs to Muricoidea'
- 'Tectariinae belongs to Littorinidae'
- 'Terebrellidae belongs to Cerithioidea'
- 'Terebridae belongs to Conoidea'
- 'Thaidinae belongs to Muricidae'
- 'Thersiteidae belongs to Stromboidea'
- 'Thiaridae belongs to Cerithioidea'
- 'Tonnacea is corrected as Tonnoidea and belongs to Discopoda'
- 'Tonnidae belongs to Tonnoidea'
- 'Tornidae belongs to Truncatelloidea'
- 'Trajanellidae belongs to Pseudomelanoidea'
- 'Trichotropidae is a subjective synonym of Capulidae'
- 'Triforidae belongs to Triphoroidea'
- 'Triphoridae belongs to Triphoroidea'
- 'Triphoroidea belongs to Ptenoglossa'
- 'Triptyxisidae belongs to Nerineoidea'
- 'Triviidae belongs to Lamellarioidea'
- 'Triviinae belongs to Triviidae'
- 'Trophoninae belongs to Muricinae'
- 'Truncatellidae belongs to Truncatelloidea'
- 'Truncatelloidea belongs to Discopoda'
- 'Tubiferidae belongs to Nerineoidea'
- 'Tudiculinae belongs to Turbinellidae'
- 'Turbinellidae belongs to Muricoidea'
- 'Turridae belongs to Conoidea'
- 'Turrinae belongs to Turridae'
- 'Turritellidae belongs to Cerithioidea'
- 'Turritellinae belongs to Turritellidae'
- 'Typhinae belongs to Muricinae'
- 'Upellidae belongs to Nerineoidea'
- 'Valvatidae belongs to Valvatoidea'
- 'Vanikoridae belongs to Vanikoroidea'
- 'Vanikoroidea belongs to Discopoda'
- 'Vasinae belongs to Turbinellidae'
- 'Velainellidae belongs to Loxonematoidea'
- 'Vermetidae belongs to Vermetoidea'
- 'Vermetoidea belongs to Discopoda'
- 'Vermiculariidae was reranked as the subfamily Vermiculariinae and belongs to Turritellidae'
- 'Vitrinellidae belongs to Truncatelloidea'
- 'Viviparidae belongs to Ampullarioidea'
- 'Volutidae belongs to Muricoidea'
- 'Volutinae belongs to Volutidae'
- 'Volutomitridae belongs to Muricoidea'
- 'Xancidae belongs to Turbinellidae'
- 'Xenophoridae belongs to Xenophoroidea'
- 'Xenophoroidea belongs to Discopoda'
- 'Yetinae belongs to Volutidae'
- 'Zidoninae belongs to Volutidae'
- 'Zonulispirinae belongs to Turridae'
- 'Zygopleuridae belongs to Loxonematoidea'