Opinions from J. H. Ostrom 1980

  • 'Anchisauridae belongs to Prosauropoda'
  • 'Ankylosauria belongs to Ornithischia'
  • 'Ankylosauridae belongs to Ankylosauria'
  • 'Brachiosauridae belongs to Sauropoda'
  • 'Carnosauria belongs to Theropoda'
  • 'Ceratopsia belongs to Ornithischia'
  • 'Ceratopsidae belongs to Ceratopsia'
  • 'Coeluridae belongs to Coelurosauria'
  • 'Coelurosauria belongs to Theropoda'
  • 'Compsognathidae belongs to Coelurosauria'
  • 'Dromaeosauridae belongs to Coelurosauria'
  • 'Hadrosauridae belongs to Ornithopoda'
  • 'Heterodontosauridae belongs to Ornithopoda'
  • 'Hypsilophodontidae belongs to Ornithopoda'
  • 'Iguanodontidae belongs to Ornithopoda'
  • 'Megalosauri is corrected as Megalosauridae and belongs to Carnosauria'
  • 'Melanorosauridae belongs to Prosauropoda'
  • 'Nodosauridae belongs to Ankylosauria'
  • 'Ornithischia belongs to Archosauria'
  • 'Ornithomimidae belongs to Coelurosauria'
  • 'Ornithopoda belongs to Ornithischia'
  • 'Oviraptoridae belongs to Coelurosauria'
  • 'Pachycephalosauridae belongs to Ornithopoda'
  • 'Plateosauridae belongs to Prosauropoda'
  • 'Podokesauridae belongs to Coelurosauria'
  • 'Prosauropoda belongs to Sauropodomorpha'
  • 'Protoceratopsidae belongs to Ceratopsia'
  • 'Psittacosauridae belongs to Ornithopoda'
  • 'Saurischia belongs to Archosauria'
  • 'Sauropoda belongs to Sauropodomorpha'
  • 'Sauropodomorpha belongs to Saurischia'
  • 'Scelidosauridae belongs to Stegosauria'
  • 'Segisauridae belongs to Coelurosauria'
  • 'Stegosauria belongs to Ornithischia'
  • 'Stegosauridae belongs to Stegosauria'
  • 'Therizinosauridae belongs to Carnosauria'
  • 'Theropoda belongs to Saurischia'
  • 'Titanosauridae belongs to Sauropoda'
  • 'Tyrannosauridae belongs to Carnosauria'