Opinions from B. F. Nopcsa 1928
- 'Acanthopholididae [misspelled as Acanthopholidae] belongs to Thyreophora'
- 'Ankylosauridae belongs to Thyreophora'
- 'Araeoscelida [misspelled as Araeoscelia] belongs to Parapsida'
- 'Araeoscelidae is corrected as Araeoscelididae and belongs to Araeosceloidea'
- 'Araeosceloidea belongs to Araeoscelia'
- 'Baenidae was reranked as the subfamily Baeninae and belongs to Pleurosternidae'
- 'Broomiidae belongs to Araeosceloidea'
- 'Desmemydinae belongs to Thalassemydidae'
- 'Desmemys belongs to Desmemydinae'
- 'Dranitesauria belongs to Monozygocrotapha'
- 'Eunotosauridae belongs to Eunotosauroidea'
- 'Eunotosaurus belongs to Eunotosauridae'
- 'Helochelydra belongs to Helochelydrinae'
- 'Helochelydrinae belongs to Pleurosternidae'
- 'Ichthyopterygia was reranked as a superorder and belongs to Monozygocrotapha'
- 'Kallokibotion belongs to Kallokibotioninae'
- 'Kallokibotioninae belongs to Plesiochelyidae'
- 'Kinosterninae [misspelled as Cinosterninae] belongs to Dermatemydidae'
- 'Kinosternon [misspelled as Cinosternum] belongs to Cinosterninae'
- 'Lariosauridae was reranked as the subfamily Lariosaurinae and belongs to Nothosauridae'
- 'Lariosaurus belongs to Lariosaurinae'
- 'Monozygocrotapha belongs to Reptilia'
- 'Pachypleuridae is corrected as Pachypleurosauridae and belongs to Nothosauroidea'
- 'Parapsida was reranked as a superorder and belongs to Monozygocrotapha'
- 'Pelycosauria was reranked as a superorder and belongs to Monozygocrotapha'
- 'Placodontia belongs to Dranitesauria'
- 'Platysternidae was reranked as the subfamily Platysterninae and belongs to Dermatemydidae'
- 'Platysternon [misspelled as Platysternum] belongs to Platysterninae'
- 'Sauropterygia belongs to Dranitesauria'
- 'Simolestinae belongs to Pliosauridae'
- 'Simosaurinae belongs to Pachypleuridae'
- 'Theromorpha was reranked as a superorder and belongs to Monozygocrotapha'
- 'Trinacromeridae was reranked as the family Trinacromerinae and belongs to Pliosauridae'