Opinions from L. Joleaud 1922
- 'Allosaurus belongs to Theropoda'
- 'Ankylosaurus belongs to Stegosauridae'
- 'Atlantosaurus belongs to Sauropoda'
- 'Brachiosaurus belongs to Sauropoda'
- 'Brachyceratops belongs to Ceratopsidae'
- 'Brontosaurus [misspelled as Brontausaurus] belongs to Sauropoda'
- 'Camarasaurus [misspelled as Camarosaurus] belongs to Sauropoda'
- 'Camptosaurus belongs to Orthopoda'
- 'Ceratopsidae belongs to Dinosauria'
- 'Ceratosaurus belongs to Theropoda'
- 'Cetiosaurus belongs to Sauropoda'
- 'Claosaurus belongs to Orthopoda'
- 'Coelurus [misspelled as Caelurus] belongs to Theropoda'
- 'Compsognathus belongs to Theropoda'
- 'Diceratops belongs to Ceratopsidae'
- 'Diplodocus belongs to Sauropoda'
- 'Eoceratops belongs to Ceratopsidae'
- 'Gigantosaurus belongs to Sauropoda'
- 'Hypsilophodon belongs to Orthopoda'
- 'Iguanodon belongs to Orthopoda'
- 'Leptoceratops belongs to Ceratopsidae'
- 'Megalosaurus belongs to Theropoda'
- 'Monoclonius belongs to Ceratopsidae'
- 'Nanosaurus [misspelled as Nannosaurus] belongs to Orthopoda'
- 'Ornitholestes belongs to Theropoda'
- 'Ornithomimus belongs to Theropoda'
- 'Ornithopsis belongs to Sauropoda'
- 'Orthopoda belongs to Dinosauria'
- 'Plateosaurus belongs to Theropoda'
- 'Polacanthus belongs to Stegosauridae'
- 'Sauropoda was reranked as a suborder and belongs to Dinosauria'
- 'Scelidosaurus belongs to Stegosauridae'
- 'Stegosauridae belongs to Dinosauria'
- 'Stegosaurus belongs to Stegosauridae'
- 'Thecodontosaurus belongs to Theropoda'
- 'Theropoda was reranked as a suborder and belongs to Dinosauria'
- 'Titanosaurus belongs to Sauropoda'
- 'Trachodon belongs to Orthopoda'
- 'Triceratops belongs to Ceratopsidae'
- 'Tyrannosaurus belongs to Theropoda'