Opinions from J. Seiffert 1975
- 'Agamidae belongs to Iguania'
- 'Aigialosauridae belongs to Varanoidea'
- 'Amphisbaenia belongs to Lacertilia'
- 'Amphisbaenidae belongs to Amphisbaenia'
- 'Anguidae belongs to Anguoidea'
- 'Anguimorpha was reranked as a infraorder and belongs to Lacertilia'
- 'Anguoidea belongs to Anguimorpha'
- 'Anniellidae belongs to Anguoidea'
- 'Annulata is a subjective synonym of Amphisbaenia'
- 'Ardeosauridae belongs to Scincomorpha'
- 'Becklesisaurus belongs to Scincidae'
- 'Becklesisaurus hoffstetteri belongs to Becklesisaurus'
- 'Becklesisaurus scincoides belongs to Becklesisaurus'
- 'Cordylidae belongs to Scincomorpha'
- 'Cteniogenyidae belongs to Eolacertilia'
- 'Cteniogenys belongs to Cteniogenyidae'
- 'Cteniogenys antiquus belongs to Cteniogenys'
- 'Cteniogenys reedi belongs to Cteniogenys'
- 'Dibamidae belongs to Scincomorpha'
- 'Diploglossa is a subjective synonym of Anguimorpha'
- 'Dolichosauridae belongs to Varanoidea'
- 'Dorsetisauridae belongs to Varanoidea'
- 'Eolacertilia belongs to Lacertilia'
- 'Gekkonidae belongs to Gekkota'
- 'Gekkota belongs to Lacertilia'
- 'Helodermatidae belongs to Varanoidea'
- 'Iguania belongs to Lacertilia'
- 'Iguanidae belongs to Iguania'
- 'Introrsisaurus belongs to Dolichosauridae'
- 'Introrsisaurus pollicidens belongs to Introrsisaurus'
- 'Kuehneosauridae belongs to Eolacertilia'
- 'Lacertidae belongs to Scincomorpha'
- 'Lacertilia was reranked as a suborder and belongs to Squamata'
- 'Lanthanotidae belongs to Varanoidea'
- 'Leptoglossa is a subjective synonym of Scincomorpha'
- 'Lisboasaurus belongs to Dorsetisauridae'
- 'Lisboasaurus estesi belongs to Lisboasaurus'
- 'Lisboasaurus mitracostatus belongs to Lisboasaurus'
- 'Macellodus brodiei belongs to Macellodus'
- 'Mosasauridae belongs to Varanoidea'
- 'Necrosauridae belongs to Varanoidea'
- 'Nyctisaura is a subjective synonym of Gekkota'
- 'Palaeophidae belongs to Varanoidea'
- 'Parasaniwidae belongs to Varanoidea'
- 'Prolacertidae belongs to Prolacertiformes'
- 'Prolacertiformes was reranked as a infraorder and belongs to Lacertilia'
- 'Pygopodidae belongs to Gekkota'
- 'Sauria is a subjective synonym of Lacertilia'
- 'Saurillus belongs to Scincidae'
- 'Saurillus henkeli belongs to Saurillus'
- 'Saurillus obtusus belongs to Saurillus' according to R. Owen 1855
- 'Saurillus obtusus belongs to Saurillus'
- 'Saurillus proraformis belongs to Saurillus'
- 'Scincidae belongs to Scincomorpha'
- 'Scincomorpha belongs to Lacertilia'
- 'Shinisauridae is a subjective synonym of Xenosauridae'
- 'Simoliopheidae [misspelled as Simoliophidae] belongs to Varanoidea'
- 'Tanystropheidae belongs to Prolacertiformes'
- 'Teiidae belongs to Scincomorpha'
- 'Thalattosauridae belongs to Prolacertiformes'
- 'Varanidae belongs to Varanoidea'
- 'Varanoidea belongs to Anguimorpha'
- 'Xantusiidae belongs to Scincomorpha'
- 'Xenosauridae belongs to Anguoidea'