Opinions from G. P. Deshayes 1824
- 'Achatina [misspelled as Agathina] belongs to Gastropoda'
- 'Agathina pellucida belongs to Agathina'
- 'Auricula acicula belongs to Auricula'
- 'Auricula bimarginata belongs to Auricula'
- 'Auricula conovuliformis belongs to Auricula'
- 'Auricula hordeola belongs to Auricula'
- 'Auricula miliaris belongs to Auricula'
- 'Auricula miliola belongs to Auricula'
- 'Auricula ovata belongs to Auricula'
- 'Auricula ringens belongs to Auricula'
- 'Auricula spina belongs to Auricula'
- 'Bulimus citharellus is recombined as Auricula cytharella'
- 'Bulimus conulus belongs to Bulimus'
- 'Bulimus laevigatus belongs to Bulimus'
- 'Bulimus sextonus belongs to Bulimus'
- 'Bulimus terebellatus belongs to Bulimus'
- 'Bulla angistoma belongs to Bulla'
- 'Bulla conica belongs to Bulla'
- 'Bulla conulus belongs to Bulla'
- 'Bulla coronata belongs to Bulla'
- 'Bulla cylindrica belongs to Bulla'
- 'Bulla cylindroides belongs to Bulla'
- 'Bulla globulus belongs to Bulla'
- 'Bulla laevis belongs to Bulla'
- 'Bulla minuta belongs to Bulla'
- 'Bulla ovulata belongs to Bulla'
- 'Bulla plicata belongs to Bulla'
- 'Bulla semistriata belongs to Bulla'
- 'Bulla striatella belongs to Bulla'
- 'Bullaea striata belongs to Bullaea'
- 'Calyptraea crepidularis [misspelled as Calyptraea repidularis] belongs to Calyptraea'
- 'Calyptraea laevigata belongs to Calyptraea'
- 'Calyptraea lamellosa belongs to Calyptraea'
- 'Calyptraea trochiformis belongs to Calyptraea'
- 'Chiton grinionensis is corrected as Chiton grignionensis and belongs to Chiton'
- 'Cyclostoma cornupastoris belongs to Cyclostoma'
- 'Cyclostoma elegans antiquum belongs to Cyclostoma elegans' according to Brongniart 1810
- 'Cyclostoma inflata belongs to Cyclostoma'
- 'Cyclostoma microstoma belongs to Cyclostoma'
- 'Cyclostoma mumia belongs to Cyclostoma'
- 'Cyclostoma spiruloides belongs to Cyclostoma'
- 'Emarginula clathrata belongs to Emarginula'
- 'Emarginula clypeata belongs to Emarginula'
- 'Emarginula costata belongs to Emarginula'
- 'Emarginula elegans belongs to Emarginula'
- 'Emarginula radiola belongs to Emarginula'
- 'Fissurella costaria belongs to Fissurella'
- 'Fissurella labiata belongs to Fissurella'
- 'Fissurella squamosa belongs to Fissurella'
- 'Helicina dubia belongs to Helicina'
- 'Helix desmarestina belongs to Helix' according to Brongniart 1810
- 'Helix desmarestina belongs to Helix'
- 'Helix dubia belongs to Helix'
- 'Helix ferrantii belongs to Helix'
- 'Helix lemani belongs to Helix' according to Brongniart 1810
- 'Helix lemani belongs to Helix'
- 'Helix moroguesi belongs to Helix' according to Brongniart 1810
- 'Helix moroguesi belongs to Helix'
- 'Helix tristani belongs to Helix' according to Brongniart 1810
- 'Helix tristani belongs to Helix'
- 'Infundibulum echinulatum is a subjective synonym of Calyptraea trochiformis'
- 'Infundibulum spinulosum belongs to Infundibulum' according to Sowerby 1815
- 'Infundibulum spinulosum is a subjective synonym of Calyptraea trochiformis'
- 'Infundibulum tuberculatum belongs to Infundibulum' according to Sowerby 1815
- 'Infundibulum tuberculatum is a subjective synonym of Calyptraea trochiformis'
- 'Nerita elegans belongs to Nerita' according to Muller 1774
- 'Nerita elegans is recombined as Cyclostoma elegans'
- 'Parmophorus angustus belongs to Parmophorus'
- 'Parmophorus laevis belongs to Parmophorus' according to Blainville 1817
- 'Parmophorus laevis is a subjective synonym of Parmophorus elongatus'
- 'Patella cornucopiae is recombined as Pileopsis cornucopiae'
- 'Patella costaria belongs to Patella'
- 'Patella dilatata is recombined as Pileopsis dilatata'
- 'Patella duclosii belongs to Patella'
- 'Patella elongata is recombined as Parmophorus elongatus'
- 'Patella glabra belongs to Patella'
- 'Patella graeca is recombined as Fissurella graeca'
- 'Patella pennata is recombined as Pileopsis pennata'
- 'Patella retortella is recombined as Pileopsis retortella'
- 'Patella spirirostris is recombined as Pileopsis spirirostris'
- 'Patella squamaeformis is recombined as Pileopsis squamaeformis'
- 'Patella striatula belongs to Patella'
- 'Pileopsis elegans belongs to Pileopsis'
- 'Pileopsis opercularis belongs to Pileopsis'
- 'Pileopsis patelloides belongs to Pileopsis'