Opinions from L. J. Bryant 1989
- 'Adocus belongs to Dermatemydidae'
- 'Albanerpeton belongs to Prosirenidae'
- 'Albanerpeton nexuosus belongs to Albanerpeton'
- 'Albulidae belongs to Elopiformes'
- 'Amiidae belongs to Amiiformes'
- 'Amiiformes belongs to Holostei'
- 'Aspidorhynchidae belongs to Teleostei'
- 'Baena antiqua is recombined as Plesiobaena antiqua'
- 'Baena cephalica is recombined as Eubaena cephalica'
- 'Basilemys belongs to Dermatemydidae'
- 'Basilemys sinuosa belongs to Basilemys'
- 'Belonostomus belongs to Aspidorhynchidae'
- 'Brachaelurus belongs to Orectolobidae'
- 'Brachychampsa belongs to Alligatorinae'
- 'Brachychampsa montana belongs to Brachychampsa'
- 'Chamops belongs to Teiidae'
- 'Chamops denticulatus is recombined as Leptochamops denticulatus'
- 'Chamops segnis belongs to Chamops'
- 'Colpodontosaurus belongs to Necrosauridae'
- 'Colpodontosaurus cracens belongs to Colpodontosaurus'
- 'Compsemys belongs to Cryptodira'
- 'Compsemys victus is corrected as Compsemys victa and belongs to Compsemys'
- 'Coniophis belongs to Aniliidae'
- 'Contogenys belongs to Scincidae'
- 'Contogenys sloani belongs to Contogenys'
- 'Coriops belongs to Albulidae'
- 'Coriops amnicolus belongs to Coriops'
- 'Dasyatis belongs to Dasyatidae'
- 'Emarginachelys is corrected as Emarginochelys and belongs to Chelydridae'
- 'Emarginachelys cretacea is recombined as Emarginochelys cretacea'
- 'Emarginachelys cretacea is recombined as Emarginochelys cretacea' according to N. K. Whetstone 1978
- 'Eubaena belongs to Baenidae'
- 'Exostinus belongs to Xenosauridae'
- 'Exostinus lancensis belongs to Exostinus'
- 'Habrosaurus belongs to Sirenidae'
- 'Habrosaurus dilatus belongs to Habrosaurus'
- 'Haptosphenus belongs to Teiidae'
- 'Haptosphenus placodon belongs to Haptosphenus'
- 'Helopanoplia belongs to Trionychidae'
- 'Helopanoplia distincta belongs to Helopanoplia'
- 'Holostei belongs to Osteichthyes'
- 'Ischyrhiza belongs to Pristidae'
- 'Ischyrhiza avonicola belongs to Ischyrhiza'
- 'Kindleia belongs to Amiidae'
- 'Kindleia fragosa belongs to Kindleia'
- 'Leidyosuchus belongs to Crocodylinae'
- 'Leidyosuchus sternbergii [misspelled as Leidyosuchus sternbergi] belongs to Leidyosuchus'
- 'Lepidotus occidentalis is recombined as Lepisosteus occidentalis' according to E. D. Cope 1877
- 'Lepidotus occidentalis is recombined as Clastes occidentalis' according to Cope 1877
- 'Lepisosteidae belongs to Lepisosteiformes'
- 'Lepisosteiformes belongs to Holostei'
- 'Lepisosteus belongs to Lepisosteidae'
- 'Leptochamops belongs to Teiidae'
- 'Lisserpeton belongs to Scapherpetonidae'
- 'Lisserpeton bairdi belongs to Lisserpeton'
- 'Lissodus belongs to Hybodontidae'
- 'Lonchidion selachos is recombined as Lissodus selachos' according to C. J. Duffin 1985
- 'Lonchidion selachos is recombined as Lissodus selachos'
- 'Melvius belongs to Amiidae'
- 'Melvius thomasi belongs to Melvius'
- 'Myledaphus belongs to Batoidea'
- 'Myledaphus bipartitus belongs to Myledaphus'
- 'Neurankylus belongs to Baenidae'
- 'Neurankylus eximius belongs to Neurankylus'
- 'Odaxosaurus belongs to Anguidae'
- 'Opisthotriton belongs to Batrachosauroididae'
- 'Opisthotriton kayi belongs to Opisthotriton'
- 'Palaeolabridae belongs to Teleostei'
- 'Palaeolabrus belongs to Palaeolabridae'
- 'Palaeolabrus montanensis belongs to Palaeolabrus'
- 'Palaeosaniwa belongs to Varanidae'
- 'Palaeosaniwa canadensis belongs to Palaeosaniwa'
- 'Palatobaena belongs to Baenidae'
- 'Palatobaena bairdi belongs to Palatobaena'
- 'Paleopsephurus belongs to Polyodontidae'
- 'Paleopsephurus wilsoni belongs to Paleopsephurus'
- 'Paleopsephurus wilsoni belongs to Paleopsephurus' according to J. MacAlpin 1947
- 'Paraderma belongs to Helodermatidae'
- 'Paraderma bogerti belongs to Paraderma'
- 'Paralbula belongs to Phyllodontidae'
- 'Paralbula casei belongs to Paralbula'
- 'Parasaniwa belongs to Necrosauridae'
- 'Parasaniwa wyomingensis belongs to Parasaniwa'
- 'Peltosaurus jepseni is recombined as Proxestops jepseni'
- 'Peltosaurus jepseni is recombined as Proxestops jepseni' according to J. A. Gauthier 1982
- 'Peltosaurus piger is recombined as Odaxosaurus piger'
- 'Peneteius belongs to Teiidae'
- 'Peneteius aquilonius belongs to Peneteius'
- 'Phyllodontidae belongs to Teleostei'
- 'Phyllodus belongs to Phyllodontidae'
- 'Phyllodus paulkatoi belongs to Phyllodus'
- 'Piceoerpeton belongs to Scapherpetonidae'
- 'Plastomenus belongs to Trionychidae'
- 'Platacodon belongs to Teleostei'
- 'Platacodon nanus belongs to Platacodon'
- 'Plesiobaena belongs to Baenidae'
- 'Polyodontidae belongs to Acipenseriformes'
- 'Pristidae belongs to Rajiformes'
- 'Proamphiuma belongs to Amphiumidae'
- 'Proamphiuma cretacea belongs to Proamphiuma'
- 'Proamphiuma cretacea belongs to Proamphiuma' according to R. Estes 1969
- 'Prodesmodon belongs to Batrachosauroididae'
- 'Prodesmodon copei belongs to Prodesmodon'
- 'Protoscaphirhynchus belongs to Acipenseridae'
- 'Proxestops belongs to Anguidae'
- 'Scapherpeton belongs to Scapherpetonidae'
- 'Scapherpeton tectum belongs to Scapherpeton'
- 'Scotiophryne belongs to Discoglossidae'
- 'Scotiophryne pustulosa belongs to Scotiophryne'
- 'Squatirhina belongs to Orectolobidae'
- 'Squatirhina americana belongs to Squatirhina'
- 'Stygiochelys belongs to Baenidae'
- 'Stygiochelys estesi belongs to Stygiochelys'
- 'Thescelus belongs to Baenidae'
- 'Thescelus insiliens belongs to Thescelus'
- 'Thoracosauridae was reranked as the subfamily Thoracosaurinae and belongs to Crocodylidae'
- 'Thoracosaurus belongs to Thoracosaurinae'
- 'Trionyx belongs to Trionychidae'