Opinions from C. J. del Rio 1992
- 'Aequipecten belongs to Chlamydinae'
- 'Aequipecten paranensis pennatus belongs to Aequipecten paranensis'
- 'Amusium paris belongs to Amusium'
- 'Amussium is corrected as Amusium and belongs to Pectinidae'
- 'Anadara belongs to Anadarinae'
- 'Anadara (Rasia) bravardi belongs to Anadara (Rasia)' according to de Rio 1987
- 'Anadara (Rasia) bravardi belongs to Anadara (Rasia)'
- 'Anadarinae belongs to Arcidae'
- 'Arca belongs to Arcinae'
- 'Arca lirata belongs to Arca' according to Philippi 1893
- 'Arca lirata is recombined as Anadara (Rasia) lirata'
- 'Arca particularis belongs to Arca'
- 'Arcinae belongs to Arcidae'
- 'Argopecten belongs to Chlamydinae'
- 'Argopecten gratus belongs to Argopecten'
- 'Argopecten insuetus belongs to Argopecten'
- 'Chesapecten belongs to Chlamydinae'
- 'Chesapecten crassus belongs to Chesapecten'
- 'Chlamydinae belongs to Pectinidae'
- 'Chlamys belongs to Chlamydinae'
- 'Flabellipecten belongs to Pectinidae'
- 'Glycymeridinae belongs to Glycymerididae'
- 'Glycymeris belongs to Glycymeridinae'
- 'Glycymeris (Glycymeris) belongs to Glycymeris'
- 'Glycymeris (Glycymeris) longioriformis belongs to Glycymeris (Glycymeris)'
- 'Glycymeris (Glycymerita) magna belongs to Glycymeris (Glycymerita)'
- 'Glycymerita was reranked as Glycymeris (Glycymerita) and belongs to Glycymeris'
- 'Nucula belongs to Nuculidae'
- 'Nucula (Nucula) belongs to Nucula'
- 'Nucula observatoria belongs to Nucula' according to Ihering 1907
- 'Nucula observatoria is recombined as Nucula (Nucula) observatoria'
- 'Nucula semiornata belongs to Nucula' according to d'Orbigny 1846
- 'Nucula semiornata is recombined as Nucula (Nucula) semiornata'
- 'Pecten actinodes belongs to Pecten' according to Sowerby 1846
- 'Pecten actinodes is recombined as Chlamys actinodes'
- 'Pecten darwinianus belongs to Pecten' according to d'Orbigny 1846
- 'Pecten darwinianus is recombined as Amusium darwinianus'
- 'Pecten oblongus belongs to Pecten' according to Philippi 1893
- 'Pecten oblongus is recombined as Flabellipecten oblongus'
- 'Pecten oblongus pyramidesius belongs to Pecten oblongus' according to Ihering 1907
- 'Pecten oblongus pyramidesius is recombined as Flabellipecten pyramidesensis'
- 'Pecten paranensis belongs to Pecten' according to d'Orbigny 1842
- 'Pecten paranensis is recombined as Chlamys paranensis' according to Camacho 1966
- 'Pecten paranensis is recombined as Aequipecten paranensis'
- 'Rasia was reranked as Anadara (Rasia) and belongs to Anadara'