Opinions from R. E. Dickerson 1915
- 'Axinaea cor is recombined as Glycimeris cor'
- 'Cantharus perrini belongs to Cantharus'
- 'Chrysodomus ruckmani belongs to Chrysodomus'
- 'Conus sinuatus belongs to Conus' according to Gabb 1864
- 'Conus sinuatus is recombined as Surcula (Surculites) sinuata'
- 'Conus weaveri belongs to Conus'
- 'Corbula harrisi belongs to Corbula'
- 'Corbula uvasana belongs to Corbula'
- 'Crassatellites grandis belongs to Crassatellites'
- 'Cypraea (Epona) mathewsonii is recombined as Cypraea mathewsonii'
- 'Drillia ornata belongs to Drillia'
- 'Exilia waringi belongs to Exilia'
- 'Fasciolaria buwaldana belongs to Fasciolaria'
- 'Fasciolaria io is recombined as Surcula io'
- 'Fasciolaria sinuata belongs to Fasciolaria'
- 'Fusus (Hemifusus) cooperii is recombined as Ficopsis cooperii' according to Gabb 1864
- 'Fusus (Hemifusus) cooperii is recombined as Ficopsis cooperii'
- 'Fusus (Hemifusus) hornii is recombined as Ficopsis hornii' according to Gabb 1868
- 'Fusus (Hemifusus) hornii is recombined as Ficopsis hornii'
- 'Fusus (Hemifusus) remondii is recombined as Ficopsis remondii'
- 'Fusus washingtoniana belongs to Fusus'
- 'Fusus willisi belongs to Fusus'
- 'Glycimeris ruckmani belongs to Glycimeris'
- 'Hemifusus cowlitzensis is recombined as Ficopsis cowlitzensis'
- 'Hemifusus sopenahensis belongs to Hemifusus'
- 'Hemifusus volutaeformis belongs to Hemifusus'
- 'Leda vaderensis belongs to Leda'
- 'Lunatia cowlitzensis belongs to Lunatia'
- 'Macrocallista andersoni belongs to Macrocallista'
- 'Macrocallista vaderensis belongs to Macrocallista'
- 'Melania packardi belongs to Melania'
- 'Melania vaderensis belongs to Melania'
- 'Meretrix tejonensis belongs to Meretrix'
- 'Mitra uvasana belongs to Mitra'
- 'Molopophorus tejonensis belongs to Molopophorus'
- 'Murex packardi belongs to Murex'
- 'Nassa eocenica is recombined as Amphissa eocenica'
- 'Nerita cowlitzensis belongs to Nerita'
- 'Neritina martini belongs to Neritina'
- 'Neverita weaveri belongs to Neverita'
- 'Pseudoliva inornata belongs to Pseudoliva'
- 'Pseudoliva tejonensis belongs to Pseudoliva'
- 'Ranella washingtoniana is recombined as Bursa washingtoniana'
- 'Rostellaria (Rimella) canalifera elongata is recombined as Rimella elongata'
- 'Siphonalia bicarinata belongs to Siphonalia'
- 'Surcula cohni belongs to Surcula'
- 'Surcula uvasana belongs to Surcula'
- 'Surculites was reranked as Surcula (Surculites) and belongs to Surcula'
- 'Tellina howardi belongs to Tellina'
- 'Triforis washingtoniana belongs to Triforis'
- 'Turris (Drillia) varicostata is recombined as Drillia raricostata'
- 'Turritella uvasana bicarinata belongs to Turritella uvasana'
- 'Turritella uvasana tricarinata belongs to Turritella uvasana'
- 'Urosalpinx hannibali belongs to Urosalpinx'
- 'Voluta martini belongs to Voluta'
- 'Voluta slevini belongs to Voluta'
- 'Volutilithes californiana is recombined as Conus californiana'
- 'Whitneya ficus belongs to Whitneya'