Opinions from R. B. Newton 1922
- 'Acrilla affinis belongs to Acrilla' according to Deshayes 1861
- 'Amphiperas nigeriensis belongs to Amphiperas'
- 'Anadara nigeriensis belongs to Anadara'
- 'Athleta lugardi belongs to Athleta'
- 'Belosepia sepioidea belongs to Belosepia' according to Blainville 1825
- 'Bonellitia evulsa belongs to Bonellitia' according to Solander 1766
- 'Buccinorbis kitsoni belongs to Buccinorbis'
- 'Bulbifusus belongs to Turbinellidae' according to Conrad 1865
- 'Bulbifusus nigieriensis [misspelled as Bulbifusus nigeriensis] belongs to Bulbifusus'
- 'Callista elongatotrigona belongs to Callista'
- 'Callista kitsoni belongs to Callista'
- 'Cancellaria multiplicis belongs to Cancellaria'
- 'Cardita costaeirregularis belongs to Cardita'
- 'Cardita costaenodulosis belongs to Cardita'
- 'Cardita triparticostata belongs to Cardita'
- 'Cardium obliquum belongs to Cardium' according to Lamarck 1805
- 'Cominella douvillei belongs to Cominella'
- 'Conospirus belongs to Conidae' according to Gregario 1890
- 'Conospirus parisiensis belongs to Conospirus' according to Deshayes 1835
- 'Corbula rugosa belongs to Corbula' according to Lamarck 1806
- 'Crepidula falconeri belongs to Crepidula'
- 'Cyprina incrassata is recombined as Sinodia incrassata' according to Glibert and de Heinzelin 1914
- 'Divaricella oppenheimi belongs to Divaricella'
- 'Dosinia (Sinodia) belongs to Dosinia' according to Jukes-Brown 1908
- 'Eopleurotoma nigeriensis belongs to Eopleurotoma'
- 'Exechestoma cossmani belongs to Exechestoma'
- 'Fossularca africana belongs to Fossularca'
- 'Glycymeris nigeriensis belongs to Glycymeris'
- 'Hilda turriculata belongs to Hilda'
- 'Janiopsis nigeriensis belongs to Janiopsis'
- 'Liomesus africanus belongs to Liomesus'
- 'Mactra semisulcata belongs to Mactra' according to Lamarck 1805
- 'Murex minax belongs to Murex' according to Solander 1766
- 'Neverita calvimontana belongs to Neverita' according to Deshayes 1864
- 'Nucula costaeimbricatis belongs to Nucula'
- 'Ostrea ludensis belongs to Ostrea' according to Deshayes 1861
- 'Ostrea marginidentata belongs to Ostrea' according to Deshayes 1861
- 'Peronaea nigeriensis belongs to Peronaea'
- 'Phacoides eaglesomei belongs to Phacoides'
- 'Phacoides subrhomboidalis belongs to Phacoides'
- 'Pleurotoma ingens belongs to Pleurotoma' according to Mayer-Eymar 1895
- 'Plicatula polymorpha belongs to Plicatula' according to Bellardi 1854
- 'Poirieria calcitrapa belongs to Poirieria' according to Lamarck 1803
- 'Pteropurpura tricarinata belongs to Pteropurpura' according to Lamarck 1803
- 'Raetomya schweinfurthi belongs to Raetomya' according to Mayer-Eymar 1887
- 'Rhopalithes belongs to Neogastropoda'
- 'Rhopalithes africanus belongs to Rhopalithes'
- 'Rostellaria bidigitata belongs to Rostellaria'
- 'Rostellaria unidigitata belongs to Rostellaria'
- 'Semiterebellum elongatum belongs to Semiterebellum'
- 'Semiterebellum suturocostatum belongs to Semiterebellum'
- 'Sinodia hewardbelli belongs to Sinodia'
- 'Sinum africanum belongs to Sinum'
- 'Sinum clathratum belongs to Sinum' according to Gmelin 1790
- 'Solariaxis canaliculata belongs to Solariaxis' according to Lamarck 1804
- 'Solariaxis spectabilis belongs to Solariaxis' according to J. de C. Sowerby 1850
- 'Stellaxis bicingulata belongs to Stellaxis'
- 'Strepsidura spirata belongs to Strepsidura'
- 'Striarca africana belongs to Striarca'
- 'Surcula africana belongs to Surcula'
- 'Trigonostoma decorara belongs to Trigonostoma'
- 'Trivelina sphenarium belongs to Trivelina' according to Bayan 1873
- 'Tugurium nigeriense belongs to Tugurium'
- 'Turritella mauryana belongs to Turritella'
- 'Turritella sulcifera belongs to Turritella' according to Deshayes 1832
- 'Venericardia planicosta is recombined as Cardita planicosta' according to Lamarck 1806
- 'Volutospina conicoturrita belongs to Volutospina'
- 'Volutospina multispinosa belongs to Volutospina'