Opinions from T. E. White 1940

  • 'Apractocleidus belongs to Cryptoclididae'
  • 'Brachauchenius belongs to Pliosauridae'
  • 'Brancasauridae belongs to Plesiosauria'
  • 'Brancasaurus belongs to Brancasauridae'
  • 'Cimoliasaurus is corrected as Cimoliosaurus and belongs to Elasmosauridae'
  • 'Cimoliosaurus durobrivensis is recombined as Tremamesacleis durobrivensis'
  • 'Colymbosaurus belongs to Muraenosauridae'
  • 'Cryptoclididae belongs to Plesiosauria'
  • 'Elasmosauridae belongs to Plesiosauria'
  • 'Elasmosaurus belongs to Elasmosauridae'
  • 'Eretmosaurus belongs to Pliosauridae'
  • 'Eurycleidus belongs to Leptocleididae'
  • 'Kronosaurus belongs to Pliosauridae'
  • 'Leptocleididae belongs to Plesiosauria'
  • 'Leptocleidus belongs to Leptocleididae'
  • 'Macroplata belongs to Plesiosauridae'
  • 'Mauisaurus belongs to Cryptoclididae'
  • 'Microcleidus belongs to Cryptoclididae'
  • 'Muraenosauridae belongs to Plesiosauria'
  • 'Muraenosaurus belongs to Muraenosauridae'
  • 'Peloneustes belongs to Pliosauridae'
  • 'Picrocleidus belongs to Muraenosauridae'
  • 'Plesiosauridae belongs to Plesiosauria'
  • 'Plesiosaurus belongs to Plesiosauridae'
  • 'Plesiosaurus (Pleiosaurus) was reranked as Pliosaurus and belongs to Pliosauridae'
  • 'Plesiosaurus longirostris is recombined as Macroplata longirostris'
  • 'Pliosauridae belongs to Plesiosauria'
  • 'Polycotylidae belongs to Plesiosauria'
  • 'Polycotylus belongs to Polycotylidae'
  • 'Polyptychodon belongs to Polycotylidae'
  • 'Rhomaleosaurus belongs to Leptocleididae'
  • 'Seeleyosaurus belongs to Brancasauridae'
  • 'Seeleyosaurus holzmadensis belongs to Seeleyosaurus'
  • 'Simolestes belongs to Elasmosauridae'
  • 'Sthenarosaurus belongs to Plesiosauridae'
  • 'Thaumatosaurus belongs to Brancasauridae'
  • 'Tremamesacleididae belongs to Plesiosauria'
  • 'Tremamesacleis belongs to Tremamesacleididae'
  • 'Tricleidus belongs to Muraenosauridae'
  • 'Trinacromerum belongs to Polycotylidae'