Opinions from L. G. de Koninck 1883
- 'Agnesia discrepans belongs to Agnesia'
- 'Agnesia thomsoni belongs to Agnesia'
- 'Ammonites woodwardii is recombined as Porcellia woodwardii'
- 'Bellerophon bicarenus belongs to Bellerophon'
- 'Bellerophon costatus belongs to Bellerophon'
- 'Bellerophon dumonti is recombined as Waagenella dumonti'
- 'Bellerophon elegans is recombined as Bucania elegans'
- 'Bellerophon eminens belongs to Bellerophon'
- 'Bellerophon excavatus belongs to Bellerophon'
- 'Bellerophon hiulcus belongs to Bellerophon'
- 'Bucania hyalina is a subjective synonym of Bucania witryana'
- 'Bellerophon insculptus belongs to Bellerophon'
- 'Bellerophon lohestoe belongs to Bellerophon'
- 'Bellerophon meeki belongs to Bellerophon'
- 'Bellerophon munsteri belongs to Bellerophon'
- 'Bellerophon pinguis belongs to Bellerophon'
- 'Bellerophon plicatus belongs to Bellerophon'
- 'Bellerophon propinquus belongs to Bellerophon'
- 'Bellerophon scalifer belongs to Bellerophon'
- 'Bellerophon striatus is recombined as Bucania striata'
- 'Bellerophon sublaevis belongs to Bellerophon'
- 'Bellerophon sulcatulus belongs to Bellerophon'
- 'Bellerophon tenuifascia belongs to Bellerophon'
- 'Bellerophon urii is recombined as Euphemus urei'
- 'Bellerophon witryanus is recombined as Bucania witryana'
- 'Bucania exilis belongs to Bucania'
- 'Bucania textilis belongs to Bucania'
- 'Bucania waterkeyniana belongs to Bucania'
- 'Chiton cordifer is recombined as Glyptochiton cordifer'
- 'Dentalium ingens is recombined as Entalis ingens'
- 'Dentalium ornatum is recombined as Entalis ornata'
- 'Dentalium priscum is recombined as Entalis prisca'
- 'Entalis acumen belongs to Entalis'
- 'Euomphalus serpula is recombined as Phanerotinus serpula'
- 'Euphemus filosus belongs to Euphemus'
- 'Euphemus invitabilis belongs to Euphemus'
- 'Helix carinatus is recombined as Mourlonia carinata'
- 'Helix cirriformis is recombined as Mourlonia cirriformis'
- 'Helix striatus is recombined as Ptychomphalus striatus'
- 'Lepetopsis phillipsi belongs to Lepetopsis'
- 'Metoptoma elliptica belongs to Metoptoma'
- 'Metoptoma pileus belongs to Metoptoma'
- 'Mourlonia arenosa belongs to Mourlonia'
- 'Mourlonia placida belongs to Mourlonia'
- 'Mourlonia proxima belongs to Mourlonia'
- 'Mourlonia pulchra belongs to Mourlonia'
- 'Murchisonia acuminata belongs to Murchisonia'
- 'Murchisonia archiaciana belongs to Murchisonia'
- 'Murchisonia deornata belongs to Murchisonia'
- 'Murchisonia humboldtiana belongs to Murchisonia'
- 'Murchisonia pertusa belongs to Murchisonia'
- 'Murchisonia subornata belongs to Murchisonia'
- 'Murchisonia tenuis belongs to Murchisonia'
- 'Murchisonia turriculata belongs to Murchisonia'
- 'Murchisonia verneuiliana belongs to Murchisonia'
- 'Naticopsis placida belongs to Naticopsis'
- 'Patella retrorsa is recombined as Lepetopsis retrorsus'
- 'Lepetopsis sinuosa is replaced by Lepetopsis phillipsi'
- 'Phanerotinus intermedius belongs to Phanerotinus'
- 'Phanerotinus nudus belongs to Phanerotinus'
- 'Pileopsis angustus is recombined as Capulus angustus'
- 'Pleurotomaria acuta is recombined as Agnesia acuta'
- 'Pleurotomaria atomaria is recombined as Ptychomphalus atomarius'
- 'Pleurotomaria benediana is recombined as Ptychomphalus benedianus'
- 'Pleurotomaria blanda is recombined as Ptychomphalina blandus'
- 'Pleurotomaria concentrica is recombined as Baylea concentrica'
- 'Pleurotomaria conica is recombined as Mourlonia conica'
- 'Pleurotomaria eliana is recombined as Luciella eliana'
- 'Pleurotomaria expansa is recombined as Mourlonia expansa'
- 'Pleurotomaria gemmulifera is recombined as Rhineoderma gemmuliferum'
- 'Pleurotomaria interstrialis is recombined as Ptychomphalus interstrialis'
- 'Pleurotomaria limbata is recombined as Luciella limbata'
- 'Pleurotomaria naticoides is recombined as Mourlonia naticoides'
- 'Pleurotomaria portlockiana is recombined as Mourlonia portlockiana'
- 'Pleurotomaria radula is recombined as Rhineoderma radula'
- 'Pleurotomaria ryckholtiana is recombined as Agnesia ryckholtiana'
- 'Pleurotomaria sculpta is recombined as Ptychomphalus sculptus'
- 'Pleurotomaria squamula is recombined as Luciella squamula'
- 'Pleurotomaria tornatilis is recombined as Ptychomphalus tornatilis'
- 'Porcellia duponti belongs to Porcellia'
- 'Porcellia mosana belongs to Porcellia'
- 'Ptychomphalus agassizi belongs to Ptychomphalus'
- 'Ptychomphalus bicrenulatus belongs to Ptychomphalus'
- 'Ptychomphalus conimorphus belongs to Ptychomphalus'
- 'Ptychomphalus glans belongs to Ptychomphalus'
- 'Ptychomphalus intermedius belongs to Ptychomphalus'
- 'Ptychomphalus pisum belongs to Ptychomphalus'
- 'Ptychomphalus similis belongs to Ptychomphalus'
- 'Ptychomphalus suavis belongs to Ptychomphalus'
- 'Rhineoderma nystii belongs to Rhineoderma'
- 'Spirifer tornacensis belongs to Spirifer'
- 'Trochus yvanii is recombined as Baylea yvanii'
- 'Tropidocyclus gratiosus belongs to Tropidocyclus'
- 'Tropidocyclus rotula belongs to Tropidocyclus'
- 'Turbo tabulatus is recombined as Worthenia tabulata'