Opinions from A. Meyer and R. Zardoya 2003
- 'Acipenseriformes belongs to Neopterygii'
- 'Actinistia is corrected as Actinistia and belongs to Sarcopterygii'
- 'Actinopterygii belongs to Osteichthyes'
- 'Amiiformes belongs to Neopterygii'
- 'Amphibia belongs to Tetrapoda'
- 'Anuri was reranked as the suborder Anura and belongs to Batrachia'
- 'Archosauromorpha belongs to Reptilia'
- 'Batrachia was reranked as a unranked clade and belongs to Lissamphibia'
- 'Caudata was reranked as a unranked clade and belongs to Batrachia'
- 'Cephalaspidomorpha belongs to Vertebrata'
- 'Chondrichthyes belongs to Gnathostomata'
- 'Dipnomorpha belongs to Sarcopterygii'
- 'Gnathostomata belongs to Vertebrata'
- 'Gymnophiona belongs to Lissamphibia'
- 'Lepidosauromorpha belongs to Reptilia'
- 'Lepisosteiformes belongs to Neopterygii'
- 'Lissamphibia was reranked as a unranked clade and belongs to Amphibia'
- 'Myxiniformes belongs to Vertebrata'
- 'Neognathae belongs to Neornithes'
- 'Neopterygii belongs to Actinopterygii'
- 'Osteichthyes belongs to Gnathostomata'
- 'Palaeognathae belongs to Neornithes'
- 'Pisces is a subjective synonym of Osteichthyes'
- 'Polypteriformes belongs to Actinopterygii'
- 'Reptilia belongs to Amniota'
- 'Sarcopterygii belongs to Osteichthyes'
- 'Sphenodonta belongs to Lepidosauria'
- 'Squamata belongs to Lepidosauria'
- 'Synapsida belongs to Amniota'
- 'Teleostei belongs to Neopterygii'
- 'Testudines belongs to Reptilia'