Opinions from R. E. Molnar 1991
- 'Abelisaurus comahuensis belongs to Abelisaurus'
- 'Albertosaurus belongs to Tyrannosauridae'
- 'Albertosaurus megagracilis belongs to Albertosaurus'
- 'Alioramus belongs to Tyrannosauridae'
- 'Alioramus remotus belongs to Alioramus'
- 'Allosaurus fragilis belongs to Allosaurus'
- 'Brachiosaurus brancai belongs to Brachiosaurus'
- 'Carnotaurus sastrei belongs to Carnotaurus'
- 'Ceratosaurus nasicornis belongs to Ceratosaurus'
- 'Daspletosaurus belongs to Tyrannosauridae'
- 'Daspletosaurus torosus belongs to Daspletosaurus'
- 'Dynamosaurus is a subjective synonym of Tyrannosaurus'
- 'Dynamosaurus imperiosus is a subjective synonym of Tyrannosaurus rex'
- 'Eustreptospondylus divesensis is recombined as Piveteausaurus divesensis'
- 'Eustreptospondylus oxoniensis belongs to Eustreptospondylus'
- 'Gorgosaurus lancensis is recombined as Nanotyrannus lancensis'
- 'Gorgosaurus libratus is recombined as Albertosaurus libratus'
- 'Itemirus medullaris belongs to Itemirus'
- 'Labocania anomala belongs to Labocania'
- 'Manospondylus is a subjective synonym of Tyrannosaurus'
- 'Megalosaurus wetherilli is recombined as Dilophosaurus wetherilli'
- 'Nemegtosaurus mongoliensis belongs to Nemegtosaurus'
- 'Parasaurolophus walkeri belongs to Parasaurolophus'
- 'Saurolophus angustirostris belongs to Saurolophus'
- 'Saurolophus osborni belongs to Saurolophus'
- 'Spinosaurus aegyptiacus belongs to Spinosaurus'
- 'Tarbosaurus belongs to Tyrannosauridae'
- 'Tarbosaurus efremovi is a subjective synonym of Tarbosaurus bataar'
- 'Tyrannosaurus belongs to Tyrannosauridae'
- 'Tyrannosaurus bataar is recombined as Tarbosaurus bataar'
- 'Tyrannosaurus rex belongs to Tyrannosaurus'
- 'Yangchuanosaurus shangyouensis belongs to Yangchuanosaurus'