Opinions from N. D. Newell 1965
- 'Actinodontoida belongs to Palaeoheterodonta'
- 'Adacninae belongs to Cardiacea'
- 'Ambonychiacea belongs to Pteriina'
- 'Ambonychiidae belongs to Ambonychiacea'
- 'Anomalodesmata belongs to Bivalvia'
- 'Anomiacea belongs to Pteriina'
- 'Anomiidae belongs to Anomiacea'
- 'Anthracosiacea belongs to Unionoida'
- 'Anthracosiidae belongs to Anthracosiacea'
- 'Arcacea belongs to Arcoida'
- 'Arcidae belongs to Arcacea'
- 'Arcoida belongs to Pteriomorphia'
- 'Arcticina belongs to Veneroida'
- 'Astartidae belongs to Crassatellacea'
- 'Aviculopectinidae belongs to Pectinacea'
- 'Babinkidae belongs to Lucinacea'
- 'Bakevelliidae belongs to Pteriacea'
- 'Buchiidae belongs to Pectinacea'
- 'Burmesiidae belongs to Pholadomyacea'
- 'Caprinidae belongs to Hippuritacea'
- 'Caprotinidae belongs to Hippuritacea'
- 'Cardiacea belongs to Lucinina'
- 'Cardiidae belongs to Cardiacea'
- 'Cardiniidae belongs to Crassatellacea'
- 'Carditacea belongs to Lucinina'
- 'Carditidae belongs to Carditacea'
- 'Carydiidae belongs to Modiomorphacea'
- 'Cassianellidae belongs to Pteriacea'
- 'Ceratomyidae belongs to Pholadomyacea'
- 'Chamacea belongs to Hippuritoida'
- 'Chamidae belongs to Chamacea'
- 'Chlamydoconchidae belongs to Leptonacea'
- 'Clavagellacea belongs to Clavagellina'
- 'Clavagellidae belongs to Clavagellina'
- 'Clavagellina belongs to Pholadomyoida'
- 'Cleidothaeridae belongs to Pandoracea'
- 'Condylocardiidae belongs to Carditacea'
- 'Conocardiacea belongs to Conocardioida'
- 'Conocardiidae belongs to Conocardiacea'
- 'Conocardioida belongs to Cryptodonta'
- 'Corbulidae belongs to Myacea'
- 'Crassatellacea belongs to Lucinina'
- 'Crassatellidae belongs to Crassatellacea'
- 'Cryptodonta belongs to Bivalvia'
- 'Cucullaeidae belongs to Arcacea'
- 'Cuspidariidae belongs to Poromyacea'
- 'Cyamiacea belongs to Lucinina'
- 'Cyamiidae belongs to Cyamiacea'
- 'Cycloconchidae belongs to Modiomorphacea'
- 'Cyrenoididae belongs to Lucinacea'
- 'Cyrtodontacea belongs to Arcoida'
- 'Cyrtodontidae belongs to Cyrtodontacea'
- 'Dattidae belongs to Pteriacea'
- 'Deltopectinidae belongs to Pectinacea'
- 'Desertellidae belongs to Unionacea'
- 'Diceratidae belongs to Hippuritacea'
- 'Dimyidae belongs to Pectinacea'
- 'Edmondiacea belongs to Praecardioida'
- 'Edmondiidae belongs to Edmondiacea'
- 'Entoliidae belongs to Pectinacea'
- 'Erodonidae belongs to Myacea'
- 'Erycinidae belongs to Leptonacea'
- 'Etheriidae belongs to Unionacea'
- 'Ferganoconchidae belongs to Anthracosiacea'
- 'Fimbriidae belongs to Lucinacea'
- 'Gaimardiidae belongs to Leptonacea'
- 'Galeommatidae belongs to Leptonacea'
- 'Gastrochaenacea belongs to Myina'
- 'Gastrochaenidae belongs to Gastrochaenacea'
- 'Glycymerididae belongs to Limopsacea'
- 'Heterodonta belongs to Bivalvia'
- 'Hiatellacea belongs to Myina'
- 'Hippuritacea belongs to Hippuritoida'
- 'Hippuritidae belongs to Hippuritacea'
- 'Hippuritoida belongs to Heterodonta'
- 'Inoceramidae belongs to Pteriacea'
- 'Isognomonidae belongs to Pteriacea'
- 'Kelliidae belongs to Leptonacea'
- 'Kochiinae belongs to Pteriacea'
- 'Lahilliidae belongs to Cardiacea'
- 'Lamellodontidae belongs to Modiomorphacea'
- 'Laternulidae belongs to Pandoracea'
- 'Leptonacea belongs to Lucinina'
- 'Leptonidae belongs to Leptonacea'
- 'Limacea belongs to Pteriina'
- 'Limidae belongs to Limacea'
- 'Limopsacea belongs to Arcoida'
- 'Limopsidae belongs to Limopsacea'
- 'Lucinacea belongs to Lucinina'
- 'Lucinidae belongs to Lucinacea'
- 'Lucinina belongs to Veneroida'
- 'Lunulacardiidae belongs to Ambonychiacea'
- 'Lyonsiidae belongs to Pandoracea'
- 'Lyrodesmatidae belongs to Trigoniacea'
- 'Mactromyidae belongs to Lucinacea'
- 'Malleidae belongs to Pteriacea'
- 'Malletiinae belongs to Nuculanacea'
- 'Manzanellidae belongs to Limopsacea'
- 'Margaritiferidae belongs to Unionacea'
- 'Megadesmatidae belongs to Myacea'
- 'Megalodontacea belongs to Hippuritoida'
- 'Megalodontidae belongs to Megalodontacea'
- 'Modiomorphacea belongs to Actinodontoida'
- 'Modiomorphidae belongs to Modiomorphacea'
- 'Monopleuridae belongs to Hippuritacea'
- 'Monotidae belongs to Pectinacea'
- 'Montacutidae belongs to Leptonacea'
- 'Mutelidae belongs to Unionacea'
- 'Myacea belongs to Myina'
- 'Myalinidae belongs to Ambonychiacea'
- 'Myidae belongs to Myacea'
- 'Myina belongs to Myoida'
- 'Myochamidae belongs to Pandoracea'
- 'Myoida belongs to Heterodonta'
- 'Myophoriidae belongs to Trigoniacea'
- 'Mytilacea belongs to Mytiloida'
- 'Mytilidae belongs to Mytilacea'
- 'Mytiloida belongs to Pteriomorphia'
- 'Neoleptonidae belongs to Cyamiacea'
- 'Noetiidae belongs to Arcacea'
- 'Nuculacea belongs to Nuculoida'
- 'Nuculanacea belongs to Nuculoida'
- 'Nuculanidae belongs to Nuculanacea'
- 'Nuculidae belongs to Nuculacea'
- 'Nuculoida belongs to Palaeotaxodonta'
- 'Orthonotidae belongs to Edmondiacea'
- 'Ostreacea belongs to Ostreina'
- 'Ostreidae belongs to Ostreacea'
- 'Ostreina belongs to Pterioida'
- 'Oxytomidae belongs to Pectinacea'
- 'Pachycardiidae belongs to Unionacea'
- 'Palaeoheterodonta belongs to Bivalvia'
- 'Palaeotaxodonta belongs to Bivalvia'
- 'Pandoracea belongs to Pholadomyina'
- 'Pandoridae belongs to Pandoracea'
- 'Parallelodontidae belongs to Arcacea'
- 'Pectinacea belongs to Pteriina'
- 'Pectinidae belongs to Pectinacea'
- 'Periplomatidae belongs to Pandoracea'
- 'Permophoridae belongs to Carditacea'
- 'Philobryidae belongs to Limopsacea'
- 'Pholadacea belongs to Pholadina'
- 'Pholadidae belongs to Pholadacea'
- 'Pholadina belongs to Myoida'
- 'Pholadomyacea belongs to Pholadomyina'
- 'Pholadomyidae belongs to Pholadomyacea'
- 'Pholadomyina belongs to Pholadomyoida'
- 'Pholadomyoida belongs to Anomalodesmata'
- 'Pinnacea belongs to Mytiloida'
- 'Pinnidae belongs to Pinnacea'
- 'Pleurodesmatidae belongs to Myacea'
- 'Pleuromyidae belongs to Pholadomyacea'
- 'Plicatulidae belongs to Pectinacea'
- 'Poromyacea belongs to Poromyoida'
- 'Poromyidae belongs to Poromyacea'
- 'Poromyoida belongs to Anomalodesmata'
- 'Posidoniidae belongs to Pectinacea'
- 'Praecardiacea belongs to Praecardioida'
- 'Praecardiidae belongs to Praecardiacea'
- 'Praecardioida belongs to Cryptodonta'
- 'Pseudocardiniidae belongs to Anthracosiacea'
- 'Pseudomonotidae belongs to Pectinacea'
- 'Pteriacea belongs to Pteriina'
- 'Pteriidae belongs to Pteriacea'
- 'Pteriina belongs to Pterioida'
- 'Pterineidae belongs to Pteriacea'
- 'Pterinopectinidae belongs to Pectinacea'
- 'Pterioida belongs to Pteriomorphia'
- 'Pteriomorphia belongs to Bivalvia'
- 'Pulvinitidae belongs to Pteriacea'
- 'Radiolitidae belongs to Hippuritacea'
- 'Raetomyidae belongs to Myacea'
- 'Requieniidae belongs to Hippuritacea'
- 'Sanguinolitidae belongs to Edmondiacea'
- 'Scaphellinidae belongs to Trigoniacea'
- 'Solemyacea belongs to Solemyoida'
- 'Solemyidae belongs to Solemyacea'
- 'Solemyoida belongs to Cryptodonta'
- 'Spheniopsidae belongs to Myacea'
- 'Spondylidae belongs to Pectinacea'
- 'Teredinidae belongs to Pholadacea'
- 'Thraciidae belongs to Pandoracea'
- 'Thyasiridae belongs to Lucinacea'
- 'Tridacnacea belongs to Lucinina'
- 'Trigoniacea belongs to Trigonioida'
- 'Trigoniidae belongs to Trigoniacea'
- 'Trigonioida belongs to Palaeoheterodonta'
- 'Trigonioididae belongs to Trigoniacea'
- 'Turtoniidae belongs to Cyamiacea'
- 'Ungulinidae belongs to Lucinacea'
- 'Unionacea belongs to Unionoida'
- 'Unionidae belongs to Unionacea'
- 'Unionoida belongs to Palaeoheterodonta'
- 'Veneroida belongs to Heterodonta'
- 'Verticordiidae belongs to Poromyacea'