Opinions from S. H. Haughton and A. S. Brink 1954
- 'Aelurosauroides wilmanae is recombined as Aelurosauropsis wilmanae'
- 'Aetonyx belongs to Gryponychidae'
- 'Aetonyx palustris belongs to Aetonyx'
- 'Akidnognathidae belongs to Therocephalia'
- 'Alopecodontidae belongs to Therocephalia'
- 'Anapsida belongs to Reptilia'
- 'Anomodontia was reranked as a suborder and belongs to Therapsida'
- 'Araeoscelidae [misspelled as Areoscelidae] belongs to Protorosauria'
- 'Archosauria was reranked as a subclass and belongs to Reptilia'
- 'Aristosaurus belongs to Thecodontosauridae'
- 'Aristosaurus erectus belongs to Aristosaurus'
- 'Aulacocephalodontinae belongs to Dicynodontidae'
- 'Bauriidae belongs to Therocephalia'
- 'Burnetidae belongs to Gorgonopsia'
- 'Captorhinomorpha belongs to Cotylosauria'
- 'Carnosauria belongs to Theropoda'
- 'Cerdosuchoides belongs to Akidnognathidae'
- 'Chelonii is corrected as Chelonia and belongs to Anapsida'
- 'Cistecephalidae belongs to Anomodontia'
- 'Cistecephalus laticeps belongs to Cistecephalus' according to A. S. Brink 1950
- 'Cotylosauria was reranked as a order and belongs to Anapsida'
- 'Crocodilia belongs to Archosauria'
- 'Cryptodontia is corrected as Cryptodontidae and belongs to Anomodontia'
- 'Cynodontia was reranked as a infraorder and belongs to Theriodontia'
- 'Cynognathidae belongs to Cynodontia'
- 'Cynosauridae belongs to Cynodontia'
- 'Diadectomorpha [misspelled as Diadectimorpha] belongs to Cotylosauria'
- 'Diademodontidae belongs to Cynodontia'
- 'Dicynodon hartzenbergi belongs to Dicynodon'
- 'Dicynodon ictinops belongs to Dicynodon'
- 'Dicynodon leontops belongs to Dicynodon'
- 'Dicynodon lissops belongs to Dicynodon'
- 'Daptocephalus pardiceps is a subjective synonym of Daptocephalus leoniceps'
- 'Dicynodontidae belongs to Anomodontia'
- 'Dicynodontinae belongs to Dicynodontidae'
- 'Dinocephalia belongs to Therapsida'
- 'Dromatheriidae [misspelled as Dromathiriidae] belongs to Cynodontia'
- 'Dromicosaurus belongs to Thecodontosauridae'
- 'Dromicosaurus gracilis belongs to Dromicosaurus'
- 'Edaphosauria belongs to Pelycosauria'
- 'Emydorhynchus belongs to Pristerodontinae'
- 'Endothiodontidae belongs to Anomodontia'
- 'Endothiodontinae belongs to Endothiodontidae'
- 'Eosuchia was reranked as a order and belongs to Lepidosauria'
- 'Erythrosuchidae belongs to Pseudosuchia'
- 'Euchambersidae belongs to Therocephalia'
- 'Eucnemesaurus belongs to Melanorosauridae'
- 'Eucnemesaurus fortis belongs to Eucnemesaurus'
- 'Eumantellinae belongs to Endothiodontidae'
- 'Eunotosauria belongs to Chelonia'
- 'Eunotosauridae belongs to Eunotosauria'
- 'Euskelesaurus belongs to Plateosauridae'
- 'Euskelesaurus brownii [misspelled as Euskelesaurus browni] belongs to Euskelesaurus'
- 'Euskelosaurus africanus [misspelled as Euskelesaurus africanus] belongs to Euskelesaurus'
- 'Galeopsidae belongs to Edaphosauria'
- 'Galesauridae belongs to Cynodontia'
- 'Geranosaurus belongs to Hypsilophodontidae'
- 'Geranosaurus atavus belongs to Geranosaurus'
- 'Gigantoscelus belongs to Plateosauridae'
- 'Gigantoscelus molengraaffi belongs to Gigantoscelus'
- 'Gorgonopsia was reranked as a suborder and belongs to Theriodontia'
- 'Gorgonopsidae belongs to Gorgonopsia'
- 'Gryponychidae belongs to Carnosauria'
- 'Gryponyx belongs to Gryponychidae'
- 'Gryponyx africanus belongs to Gryponyx'
- 'Gryponyx taylori belongs to Gryponyx'
- 'Gryponyx transvaalensis belongs to Gryponyx'
- 'Gyposaurus belongs to Thecodontosauridae'
- 'Gyposaurus capensis belongs to Gyposaurus'
- 'Hortalotarsus skirtopodus is recombined as Thecodontosaurus skirtopodus'
- 'Hypsilophodontidae belongs to Ornithopoda'
- 'Ichthyopterygia was reranked as a subclass and belongs to Reptilia'
- 'Ictidorhinidae belongs to Gorgonopsia'
- 'Ictidosuchidae belongs to Therocephalia'
- 'Lepidosauria belongs to Reptilia'
- 'Lycideopsidae belongs to Therocephalia'
- 'Lycorhinus belongs to Dromathiriidae'
- 'Lycorhinus angustidens belongs to Lycorhinus'
- 'Lycosaurus belongs to Gorgonopsidae'
- 'Lycosuchidae belongs to Therocephalia'
- 'Lystrosauridae belongs to Anomodontia'
- 'Massospondylus belongs to Thecodontosauridae'
- 'Massospondylus browni is recombined as Thecodontosaurus browni'
- 'Massospondylus carinatus belongs to Massospondylus'
- 'Massospondylus harriesi belongs to Massospondylus'
- 'Massospondylus schwarzi belongs to Massospondylus'
- 'Melanorosauridae belongs to Prosauropoda'
- 'Melanorosaurus belongs to Melanorosauridae'
- 'Melanorosaurus readi belongs to Melanorosaurus'
- 'Mesosauria belongs to Ichthyopterygia'
- 'Mesosauridae belongs to Mesosauria'
- 'Millerettidae belongs to Captorhinomorpha'
- 'Mormosauridae belongs to Tapinocephalia'
- 'Moschopidae belongs to Tapinocephalia'
- 'Moschosauridae belongs to Tapinocephalia'
- 'Noteosuchidae belongs to Rhynchocephalia'
- 'Notochampsidae belongs to Protorosuchia'
- 'Orinosaurus capensis is recombined as Euskelesaurus capensis'
- 'Ornithischia [misspelled as Ornithosuchia] belongs to Archosauria'
- 'Ornithopoda belongs to Ornithosuchia'
- 'Ornithosuchidae belongs to Pseudosuchia'
- 'Oudenodon raniceps is recombined as Pristerodon raniceps'
- 'Pareiasauria was reranked as a infraorder and belongs to Diadectimorpha'
- 'Pareiasauridae belongs to Pareiasauria'
- 'Parringtoniellinae belongs to Endothiodontidae'
- 'Pelycosauria belongs to Synapsida'
- 'Plateosauravus belongs to Plateosauridae'
- 'Plateosauridae belongs to Prosauropoda'
- 'Plateosaurus cullingworthi is recombined as Plateosauravus cullingworthi'
- 'Plateosaurus stormbergensis is recombined as Plateosauravus stormbergensis'
- 'Pristerodontinae belongs to Endothiodontidae'
- 'Pristerognathidae belongs to Therocephalia'
- 'Procolophonia was reranked as a infraorder and belongs to Diadectimorpha'
- 'Procolophonidae belongs to Procolophonia'
- 'Procynosuchidae belongs to Cynodontia'
- 'Prolacertidae belongs to Younginiformes'
- 'Prosauropoda belongs to Theropoda'
- 'Protorosauria belongs to Synaptosauria'
- 'Protosuchia [misspelled as Protorosuchia] belongs to Crocodilia'
- 'Pseudosuchia belongs to Thecodontia'
- 'Rhynchocephalia belongs to Lepidosauria'
- 'Rhynchosauridae [misspelled as Rhyncosauridae] belongs to Rhynchocephalia'
- 'Rubidgeidae belongs to Gorgonopsia'
- 'Rubidginidae belongs to Rubidginoidea'
- 'Rubidginoidea belongs to Theriodontia'
- 'Saurischia belongs to Archosauria'
- 'Scaloposauridae belongs to Therocephalia'
- 'Silphedestidae belongs to Cynodontia'
- 'Sphenacodontia belongs to Pelycosauria'
- 'Sphenodontidae belongs to Rhynchocephalia'
- 'Sphenosuchidae belongs to Pseudosuchia'
- 'Styracocephalia belongs to Dinocephalia'
- 'Styracocephalidae belongs to Styracocephalia'
- 'Synapsida belongs to Reptilia'
- 'Synaptosauria belongs to Reptilia'
- 'Tapinocephalia belongs to Dinocephalia'
- 'Tapinocephalidae belongs to Tapinocephalia'
- 'Thecodontia belongs to Archosauria'
- 'Thecodontosauridae belongs to Prosauropoda'
- 'Thecodontosaurus belongs to Thecodontosauridae'
- 'Thecodontosaurus alophos belongs to Thecodontosaurus'
- 'Thecodontosaurus dubius belongs to Thecodontosaurus'
- 'Thecodontosaurus minor belongs to Thecodontosaurus'
- 'Therapsida was reranked as a order and belongs to Synapsida'
- 'Theriodontia was reranked as a suborder and belongs to Therapsida'
- 'Therocephalia was reranked as a infraorder and belongs to Theriodontia'
- 'Theropoda was reranked as a suborder and belongs to Saurischia'
- 'Titanosuchia belongs to Dinocephalia'
- 'Titanosuchidae belongs to Titanosuchia'
- 'Tritylodontidae belongs to Cynodontia'
- 'Varanopsidae belongs to Sphenacodontia'
- 'Whaitsiidae belongs to Therocephalia'
- 'Younginidae belongs to Younginiformes'
- 'Younginiformes was reranked as a suborder and belongs to Eosuchia'