Opinions from K. T. Smith 2006
- 'Aciprion belongs to Iguanidae'
- 'Acrodonta belongs to Iguania'
- 'Amphisbaenia belongs to Scincomorpha'
- 'Anguidae belongs to Anguimorpha'
- 'Anguimorpha was reranked as a unranked clade and belongs to Autarchoglossa'
- 'Autarchoglossa belongs to Squamata'
- 'Cypressaurus belongs to Iguanidae'
- 'Diploglossinae belongs to Anguidae'
- 'Glyptosaurinae belongs to Anguidae'
- 'Helodermoides belongs to Glyptosaurinae'
- 'Iguania belongs to Squamata'
- 'Iguanidae belongs to Iguania'
- 'Palaeoxantusia belongs to Xantusiidae'
- 'Palaeoxantusia borealis belongs to Palaeoxantusia' according to Holman 1972
- 'Palaeoxantusia borealis belongs to Palaeoxantusia'
- 'Peltosaurus belongs to Glyptosaurinae'
- 'Phrynosomatinae belongs to Iguanidae'
- 'Polychrotinae belongs to Iguanidae'
- 'Polychrus belongs to Polychrotinae'
- 'Polychrus charisticus belongs to Polychrus'
- 'Rhineura belongs to Rhineuridae'
- 'Rhineuridae belongs to Amphisbaenia'
- 'Saniwa belongs to Varanidae'
- 'Saniwa edura belongs to Saniwa'
- 'Scincoidea belongs to Scincomorpha'
- 'Scincomorpha belongs to Autarchoglossa'
- 'Spathorhynchus belongs to Rhineuridae'
- 'Tinosaurus belongs to Acrodonta'
- 'Tuberculacerta belongs to Phrynosomatinae'
- 'Tuberculacerta pearsoni belongs to Tuberculacerta'
- 'Varanidae belongs to Anguimorpha'
- 'Xantusiidae belongs to Scincomorpha'
- 'Xenosauridae belongs to Anguimorpha'