Opinions from G. Giribet and W. Wheeler 2002
- 'Anomalodesmata was reranked as a order and belongs to Heterodonta'
- 'Anomalodesmata belongs to Bivalvia' according to Reid 1998
- 'Arcacea belongs to Arcoida'
- 'Arcoida belongs to Pteriomorphia'
- 'Autobranchia is a subjective synonym of Autolamellibranchiata'
- 'Autolamellibranchiata belongs to Bivalvia' according to Salvini-Plawen and Steiner 1996
- 'Autolamellibranchiata belongs to Bivalvia'
- 'Carditacea is corrected as Carditoidea and belongs to Heterodonta'
- 'Crassatellacea is corrected as Crassatelloidea and belongs to Heterodonta'
- 'Heteroconchia belongs to Autolamellibranchiata'
- 'Heterodonta belongs to Heteroconchia'
- 'Heterodonta belongs to Bivalvia' according to Reid 1998
- 'Hippuritoida belongs to Heterodonta'
- 'Lamellibranchia is a subjective synonym of Autolamellibranchiata'
- 'Lamellibranchia belongs to Bivalvia' according to Purchon 1987
- 'Limoida belongs to Pteriomorphia'
- 'Myoida is an invalid subgroup of Heterodonta'
- 'Mytilacea is replaced by Mytiloidea'
- 'Mytiloida belongs to Pteriomorphia'
- 'Nuculacea is corrected as Nuculoidea and belongs to Bivalvia'
- 'Nuculanoidea belongs to Bivalvia'
- 'Ostreoida is an invalid subgroup of Pteriomorphia'
- 'Palaeoheterodonta belongs to Bivalvia' according to Reid 1998
- 'Palaeoheterodonta belongs to Heteroconchia'
- 'Pelecypoda is a subjective synonym of Bivalvia'
- 'Protobranchia was reranked as a subclass and belongs to Bivalvia' according to Salvini-Plawen and Steiner 1996
- 'Protobranchia belongs to Bivalvia' according to Ridewood 1903
- 'Protobranchia belongs to Bivalvia' according to Pelseneer 1906
- 'Protobranchia is an invalid subgroup of Bivalvia'
- 'Protobranchia belongs to Bivalvia' according to Pelseneer 1911
- 'Protobranchia was reranked as a subclass and belongs to Bivalvia' according to Purchon 1987
- 'Protobranchia was reranked as a subclass and belongs to Bivalvia' according to Reid 1998
- 'Pterioida belongs to Pteriomorphia'
- 'Pteriomorphia was reranked as a unranked clade and belongs to Autolamellibranchiata'
- 'Pteriomorphia belongs to Bivalvia' according to Reid 1998
- 'Solemyoidea belongs to Bivalvia'
- 'Trigoniacea belongs to Trigonioida'
- 'Trigonioida belongs to Palaeoheterodonta'
- 'Unionoida belongs to Palaeoheterodonta'
- 'Veneroida is an invalid subgroup of Heterodonta'