Opinions from G. D. Hanna 1926
- 'Atrina stephensi belongs to Atrina'
- 'Bulla decussata belongs to Bulla' according to Wood 1907
- 'Bulla decussata is recombined as Ficus decussata'
- 'Bulla striata is recombined as Bullaria striata'
- 'Cancellaria obesa belongs to Cancellaria'
- 'Cancellaria subtuberosa belongs to Cancellaria'
- 'Cassis ringens is recombined as Malea ringens'
- 'Cerithium protextum is recombined as Terebra protexta'
- 'Codakia colpoica belongs to Codakia' according to Dall 1901
- 'Conus fergusoni belongs to Conus' according to Sowerby 1875
- 'Conus fergusoni belongs to Conus'
- 'Conus planiliratus belongs to Conus'
- 'Conus regularis belongs to Conus' according to Sowerby 1841
- 'Conus regularis belongs to Conus'
- 'Crassitellites is a misspelling of Crassatella'
- 'Crassitellites subgibbosus belongs to Crassitellites'
- 'Crepidula onyx belongs to Crepidula'
- 'Echinochama californica belongs to Echinochama' according to Dall 1903
- 'Echinochama californica belongs to Echinochama'
- 'Lampania incisa belongs to Lampania' according to Sowerby 1855
- 'Lampania incisa is recombined as Cerithium incisum'
- 'Loripes edentuloides belongs to Loripes' according to Verrill 1901
- 'Loripes edentuloides is recombined as Lucina edentuloides'
- 'Lucina eburnea is recombined as Divaricella eburnea'
- 'Mitra sulcata belongs to Mitra'
- 'Nerita picta is recombined as Neritina picta'
- 'Neritina picta belongs to Neritina' according to Sowerby 1832
- 'Neritina picta belongs to Neritina'
- 'Ostrea heermani is corrected as Ostrea heermanni and belongs to Ostrea'
- 'Ostrea vespertina belongs to Ostrea'
- 'Patella equestris is recombined as Mitrularia equestris'
- 'Pecten carrizoensis belongs to Pecten' according to Arnold 1906
- 'Pecten carrizoensis belongs to Pecten'
- 'Pecten keepi belongs to Pecten'
- 'Pecten mediacostatus belongs to Pecten'
- 'Pecten mendenhalli belongs to Pecten'
- 'Pecten sanctiludovici belongs to Pecten' according to Anderson and Martin 1914
- 'Pecten sanctiludovici belongs to Pecten'
- 'Pecten subnodosus belongs to Pecten'
- 'Pectunculus giganteus is recombined as Glycymeris gigantea'
- 'Phacoides (Miltha) xantusi belongs to Phacoides (Miltha)' according to Dall 1903
- 'Phacoides (Miltha) xantusi belongs to Phacoides (Miltha)'
- 'Pinna latrania belongs to Pinna'
- 'Pinna mendenhalli belongs to Pinna'
- 'Pleurotoma albida is recombined as Turris albida'
- 'Pyrula anomala is recombined as Solenosteira anomala'
- 'Solarium quadriceps is recombined as Architectonica quadriceps'
- 'Solarium quadriceps belongs to Solarium' according to Hinds 1887
- 'Spondylus calcifer belongs to Spondylus'
- 'Strombus obliteratus belongs to Strombus'
- 'Terebra gausapata belongs to Terebra'
- 'Turritella imperialis belongs to Turritella'