Opinions from G. D. Hanna and M. C. Israelsky 1925
- 'Ampullina gabbi is replaced by Ampullina woodsi'
- 'Ampullina woodsi belongs to Ampullina'
- 'Aphera peruana belongs to Aphera' according to Nelson 1870
- 'Arca larkinii belongs to Arca' according to Nelson 1870
- 'Arca larkinii belongs to Arca' according to Grzybowski 1899
- 'Calliostoma noduliferum is recombined as Calliostoma (Eutrochus) noduliferum' according to Spieker 1822
- 'Calliostoma noduliferum belongs to Calliostoma' according to Nelson 1870
- 'Cerithium paytensis is recombined as Faunus paytensis'
- 'Chione (Lirophora) hendersonii belongs to Chione (Lirophora)' according to Dall 1903
- 'Chione sechuntana belongs to Chione'
- 'Clavella solida belongs to Clavella' according to Nelson 1870
- 'Clavilithes atahuallpai belongs to Clavilithes'
- 'Clavilithes burtti belongs to Clavilithes'
- 'Corbula woodsi belongs to Corbula'
- 'Crassatellites pizarroi belongs to Crassatellites'
- 'Macrocallista cavachana belongs to Macrocallista'
- 'Melanatria gesteri belongs to Melanatria'
- 'Meretrix negritosensis belongs to Meretrix' according to Woods, in Bosworth 1922
- 'Natica coronis belongs to Natica'
- 'Potamides occidentalis belongs to Potamides' according to Woods, in Bosworth 1922
- 'Pseudoglauconia lissoni belongs to Pseudoglauconia' according to Douvillé 1921
- 'Siphonalia phosoidea belongs to Siphonalia'
- 'Surcula mayi belongs to Surcula'
- 'Turritella cochleiformis belongs to Turritella'
- 'Turritella conquistadorana belongs to Turritella'
- 'Turritella dickersoni belongs to Turritella' according to Woods, in Bosworth 1922
- 'Turritella filicincta varicosta belongs to Turritella filicincta'
- 'Venericardia clavidens belongs to Venericardia' according to Grzybowski 1899
- 'Venus nelsoni belongs to Venus' according to Grzybowski 1899
- 'Venus nelsoni is recombined as Crassatellites (Scambula) nelsoni' according to Spieker 1922