Opinions from R. Bieler and P. M. Mikkelsen 2006
- 'Anatinidae is replaced by Laternulidae'
- 'Anomalodesmata was reranked as a order and belongs to Heterodonta'
- 'Anomiidae belongs to Anomioidea'
- 'Anomioidea belongs to Pectinoida'
- 'Arcacea is corrected as Arcoidea and belongs to Arcoida'
- 'Arcidae belongs to Arcoidea'
- 'Arcoida belongs to Pteriomorphia'
- 'Arcticacea is corrected as Arcticoidea and belongs to Veneroida'
- 'Aspergillidae is a subjective synonym of Clavagellidae'
- 'Astartidae belongs to Crassatelloidea'
- 'Autolamellibranchiata belongs to Bivalvia'
- 'Brechitinae belongs to Clavagellidae'
- 'Callistinae belongs to Veneridae'
- 'Callocardiidae is a subjective synonym of Veneridae'
- 'Cardiacea is corrected as Cardioidea and belongs to Veneroida'
- 'Cardiniidae belongs to Crassatelloidea'
- 'Carditamerinae belongs to Carditidae'
- 'Carditellidae is a subjective synonym of Condylocardiidae'
- 'Carditesinae belongs to Carditidae'
- 'Carditidae belongs to Crassatelloidea'
- 'Carditoida belongs to Heterodonta'
- 'Cetoconchidae is a subjective synonym of Poromyidae'
- 'Chamacea is corrected as Chamoidea and belongs to Veneroida'
- 'Chamostreidae is a subjective synonym of Cleidothaeridae'
- 'Chionidae is a subjective synonym of Veneridae'
- 'Circinae is an invalid subgroup of Veneridae'
- 'Clavagellidae belongs to Anomalodesmata'
- 'Cleidothaeridae belongs to Anomalodesmata'
- 'Clementiinae belongs to Veneridae'
- 'Condylocardiidae belongs to Crassatelloidea'
- 'Cooperellidae is a subjective synonym of Veneridae'
- 'Crassatellacea is corrected as Crassatelloidea and belongs to Carditoida'
- 'Crassatellidae belongs to Crassatelloidea'
- 'Crassatellitidae is a subjective synonym of Crassatellidae'
- 'Crassinidae is replaced by Astartidae'
- 'Cucullaeidae belongs to Arcoidea'
- 'Cuninae belongs to Condylocardiidae'
- 'Cuspidariidae belongs to Septibranchia'
- 'Cyamiacea is corrected as Cyamioidea and belongs to Veneroida'
- 'Cyclininae belongs to Veneridae'
- 'Cythereinae is an invalid subgroup of Veneridae'
- 'Dallicordiidae is a subjective synonym of Verticordiidae'
- 'Dimyidae belongs to Dimyoidea'
- 'Dimyoidea belongs to Pectinoida'
- 'Dosiniinae belongs to Veneridae'
- 'Dreissenacea is corrected as Dreissenoidea and belongs to Veneroida'
- 'Dreissenidae belongs to Dreissenoidea'
- 'Entoliidae belongs to Pectinoidea'
- 'Etheriidae belongs to Etherioidea'
- 'Etherioidea belongs to Unionoida'
- 'Euciroidae is a subjective synonym of Verticordiidae'
- 'Gafrariidae is a subjective synonym of Veneridae'
- 'Galeommatacea is corrected as Galeommatoidea and belongs to Veneroida'
- 'Gastrochaenacea is corrected as Gastrochaenoidea and belongs to Veneroida'
- 'Gemminae belongs to Veneridae'
- 'Glossacea is corrected as Glossoidea and belongs to Veneroida'
- 'Glycymerididae belongs to Arcoidea'
- 'Gouldiidae is a subjective synonym of Veneridae'
- 'Gryphaeidae belongs to Ostreoidea'
- 'Heteroconchia belongs to Bivalvia'
- 'Heterodonta belongs to Heteroconchia'
- 'Hiatellacea is corrected as Hiatelloidea and belongs to Veneroida'
- 'Hyriidae belongs to Etherioidea'
- 'Iridinidae belongs to Etherioidea'
- 'Isognomonidae belongs to Pterioidea'
- 'Laternulidae belongs to Anomalodesmata'
- 'Limacea is corrected as Limoidea and belongs to Limoida'
- 'Limidae belongs to Limoidea'
- 'Limoida belongs to Pteriomorphia'
- 'Limopsidae belongs to Limopsoidea'
- 'Limopsoidea belongs to Arcoida'
- 'Lioconchinae belongs to Veneridae'
- 'Lucinoidea belongs to Veneroida'
- 'Lyonsiellidae is a subjective synonym of Verticordiidae'
- 'Lyonsiidae belongs to Anomalodesmata'
- 'Macominae belongs to Tellinidae'
- 'Mactracea is corrected as Mactroidea and belongs to Veneroida'
- 'Malleidae belongs to Pterioidea'
- 'Malletiinae belongs to Nuculanoidea'
- 'Manzanellidae belongs to Manzanelloidea'
- 'Manzanelloidea belongs to Solemyoida'
- 'Margaritiferidae belongs to Unionoidea'
- 'Meretricinae belongs to Veneridae'
- 'Myacea is corrected as Myoidea and belongs to Myoida'
- 'Mycetopodidae belongs to Etherioidea'
- 'Myochamidae belongs to Anomalodesmata'
- 'Myoida belongs to Heterodonta'
- 'Mytilidae belongs to Mytiloidea'
- 'Mytiloida belongs to Pteriomorphia'
- 'Mytiloidea belongs to Mytiloida'
- 'Neilonellidae belongs to Nuculanoidea'
- 'Noetiidae belongs to Arcoidea'
- 'Nuculacea is corrected as Nuculoidea and belongs to Nuculoida'
- 'Nuculanidae belongs to Nuculanoidea'
- 'Nuculanoida belongs to Protobranchia'
- 'Nuculanoidea belongs to Nuculanoida'
- 'Nuculidae belongs to Nuculoidea'
- 'Nuculoida belongs to Protobranchia'
- 'Osteodematidae is replaced by Thraciidae'
- 'Ostreacea is corrected as Ostreoidea and belongs to Pterioida'
- 'Ostreidae belongs to Ostreoidea'
- 'Palaeoheterodonta belongs to Heteroconchia'
- 'Pandoridae belongs to Anomalodesmata'
- 'Paphiinae is an invalid subgroup of Veneridae'
- 'Parilimyidae belongs to Anomalodesmata'
- 'Pectinidae belongs to Pectinoidea'
- 'Pectinoida belongs to Pteriomorphia'
- 'Pectinoidea belongs to Pectinoida'
- 'Penicillinae belongs to Clavagellidae'
- 'Periplomatidae belongs to Anomalodesmata'
- 'Petricolidae is an invalid subgroup of Veneridae'
- 'Phaseolidae belongs to Nuculanoidea'
- 'Philobryidae belongs to Limopsoidea'
- 'Pholadoidea belongs to Myoida'
- 'Pholadomyidae belongs to Anomalodesmata'
- 'Pinnidae belongs to Pinnoidea'
- 'Pinnoidea belongs to Pterioida'
- 'Pitarinae belongs to Veneridae'
- 'Placunidae belongs to Anomioidea'
- 'Plicatulidae belongs to Plicatuloidea'
- 'Plicatuloidea belongs to Pectinoida'
- 'Policordiidae is a subjective synonym of Verticordiidae'
- 'Poromyidae belongs to Septibranchia'
- 'Pristiglomidae belongs to Pristiglomoidea'
- 'Pristiglomoidea belongs to Nuculoida'
- 'Propeamussiidae belongs to Pectinoidea'
- 'Protobranchia was reranked as a subclass and belongs to Bivalvia'
- 'Pteriidae belongs to Pterioida'
- 'Pterioida belongs to Pteriomorphia'
- 'Pterioidea belongs to Pterioida'
- 'Pteriomorphia was reranked as a unranked clade and belongs to Autolamellibranchiata'
- 'Pulvinitidae belongs to Pterioidea'
- 'Samarangiinae belongs to Veneridae'
- 'Septibranchia was reranked as a unranked clade and belongs to Heterodonta'
- 'Siliculidae belongs to Nuculanoidea'
- 'Solemyidae belongs to Solemyoidea'
- 'Solemyoida belongs to Protobranchia'
- 'Solemyoidea belongs to Solemyoida'
- 'Solenacea is corrected as Solenoidea and belongs to Veneroida'
- 'Sphaerioidea belongs to Veneroida'
- 'Spheniopsidae belongs to Anomalodesmata'
- 'Spondylidae belongs to Pectinoidea'
- 'Strigillinae belongs to Tellinidae'
- 'Sunettinae belongs to Veneridae'
- 'Tapetinae belongs to Veneridae'
- 'Tellinacea is corrected as Tellinoidea and belongs to Veneroida'
- 'Tellinidae belongs to Tellinoidea'
- 'Thecaliinae belongs to Carditidae'
- 'Thraciidae belongs to Anomalodesmata'
- 'Tindariidae belongs to Nuculanoidea'
- 'Trigoniacea is corrected as Trigonioidea and belongs to Trigonioida'
- 'Trigoniidae belongs to Trigonioidea'
- 'Trigonioida belongs to Palaeoheterodonta'
- 'Turtoniidae is a subjective synonym of Veneridae'
- 'Unionacea is corrected as Unionoidea and belongs to Unionoida'
- 'Unionidae belongs to Unionoidea'
- 'Unionoida belongs to Palaeoheterodonta'
- 'Veneracea is corrected as Veneroidea and belongs to Veneroida'
- 'Venericardiinae belongs to Carditidae'
- 'Veneridae belongs to Veneroidea'
- 'Veneroida belongs to Heterodonta'
- 'Verticordiidae belongs to Anomalodesmata'
- 'Yoldiidae belongs to Nuculanoidea'