Opinions from J. F. Bonaparte 1984
- 'Abelisaurus comahuensis belongs to Abelisaurus'
- 'Alamosaurus belongs to Titanosauridae'
- 'Amargasaurus belongs to Sauropoda'
- 'Amargasaurus groeberi belongs to Amargasaurus'
- 'Amygdalodon belongs to Cetiosauridae'
- 'Amygdalodon patagonicus belongs to Amygdalodon'
- 'Antarctosaurus belongs to Titanosauridae'
- 'Antarctosaurus giganteus belongs to Antarctosaurus'
- 'Antarctosaurus wichmannianus belongs to Antarctosaurus'
- 'Argyrosaurus belongs to Titanosauridae'
- 'Argyrosaurus superbus belongs to Argyrosaurus'
- 'Chubutisaurus insignis [misspelled as Chubutisaurus insignes] belongs to Chubutisaurus'
- 'Coloradia brevis is recombined as Coloradisaurus brevis'
- 'Coloradisaurus belongs to Plateosauridae'
- 'Genyodectes serus belongs to Genyodectes'
- 'Herrerasaurus belongs to Carnosauria'
- 'Herrerasaurus ischigualastensis belongs to Herrerasaurus'
- 'Ischisaurus belongs to Coelurosauria'
- 'Ischisaurus cattoi belongs to Ischisaurus'
- 'Kritosaurus australis belongs to Kritosaurus'
- 'Laplatasaurus belongs to Titanosauridae'
- 'Laplatasaurus araukanicus belongs to Laplatasaurus'
- 'Loricosaurus belongs to Titanosauridae'
- 'Loricosaurus scutulatus is corrected as Loricosaurus scutatus and belongs to Loricosaurus'
- 'Noasaurus belongs to Coelurosauridae'
- 'Noasaurus leali belongs to Noasaurus'
- 'Notoceratops belongs to Ceratopsidae'
- 'Notoceratops bonarelli is corrected as Notoceratops bonarellii and belongs to Notoceratops'
- 'Patagosaurus fariasi belongs to Patagosaurus'
- 'Piatnitzkysaurus belongs to Allosauridae'
- 'Piatnitzkysaurus floresi belongs to Piatnitzkysaurus'
- 'Pisanosaurus belongs to Ornithischia'
- 'Pisanosaurus mertii belongs to Pisanosaurus'
- 'Riojasaurus belongs to Melanorosauridae'
- 'Riojasaurus incertus belongs to Riojasaurus'
- 'Saltasaurus belongs to Titanosauridae'
- 'Saltasaurus loricatus belongs to Saltasaurus'
- 'Secernosaurus koerneri belongs to Secernosaurus'
- 'Titanosaurus belongs to Titanosauridae'
- 'Titanosaurus australis belongs to Titanosaurus'
- 'Titanosaurus indicus belongs to Titanosaurus'
- 'Titanosaurus robustus belongs to Titanosaurus'
- 'Unquillosaurus belongs to Carnosauria'
- 'Unquillosaurus ceibalii belongs to Unquillosaurus'