Opinions from J. C. W. Cope 1997

  • 'Actinodontoida belongs to Palaeoheterodonta'
  • 'Actinodontoidea belongs to Actinodontoida'
  • 'Alytodonta belongs to Parallelodontidae'
  • 'Alytodonta gibbosa belongs to Alytodonta'
  • 'Anomalodesmata belongs to Bivalvia'
  • 'Arca subtruncata is recombined as Homilodonta subtruncata'
  • 'Arca subtruncata belongs to Arca' according to Portlock 1843
  • 'Arcacea is corrected as Arcoidea and belongs to Arcoida'
  • 'Arcoida belongs to Neotaxodonta'
  • 'Babinka belongs to Babinkidae'
  • 'Babinka oelandensis belongs to Babinka' according to Soot-Ryen 1969
  • 'Babinka oelandensis belongs to Babinka'
  • 'Babinka prima belongs to Babinka' according to Barrande 1881
  • 'Babinka prima belongs to Babinka'
  • 'Babinkidae belongs to Actinodontoidea'
  • 'Cardiolaria belongs to Cardiolariidae'
  • 'Cardiolariidae belongs to Nuculoidea'
  • 'Ctenodonta filistriata belongs to Ctenodonta' according to Ulrich 1894
  • 'Ctenodonta filistriata is recombined as Deceptrix filistriata' according to Pojeta 1978
  • 'Ctenodonta filistriata is recombined as Homilodonta filistriata'
  • 'Cyrtodonta gibbosa belongs to Cyrtodonta' according to Salter 1910
  • 'Cyrtodonta gibbosa is a nomen nudum'
  • 'Deceptrix belongs to Cardiolariidae'
  • 'Heterodonta belongs to Bivalvia'
  • 'Homilodonta belongs to Praenuculidae'
  • 'Inaequidens belongs to Cardiolariidae'
  • 'Limopsoidea belongs to Arcoida'
  • 'Neotaxodonta belongs to Bivalvia'
  • 'Nuculacea is corrected as Nuculoidea and belongs to Nuculoida'
  • 'Palaeoheterodonta [misspelled as Paleoheterodonta] belongs to Pelecypoda' according to Shoshani 1989
  • 'Palaeoheterodonta belongs to Bivalvia'
  • 'Palaeotaxodonta belongs to Bivalvia'
  • 'Parallelodontidae belongs to Arcoida'
  • 'Pteriomorphia belongs to Bivalvia'
  • 'Solemyoida belongs to Lipodonta'
  • 'Solemyoidea belongs to Solemyoida'