Opinions from E. Daly 1973
- 'Acleistorhinidae belongs to Procolophonoidea'
- 'Acleistorhinus belongs to Acleistorhinidae'
- 'Acleistorhinus pteroticus belongs to Acleistorhinus'
- 'Actinopterygii was reranked as a class and belongs to Osteichthyes'
- 'Anapsida belongs to Reptilia'
- 'Brachydegma belongs to Dicellopygidae'
- 'Brachydegma caelatum belongs to Brachydegma'
- 'Captorhinidae belongs to Captorhinomorpha'
- 'Captorhinomorpha belongs to Cotylosauria'
- 'Captorhinus belongs to Captorhinidae'
- 'Cardiocephalus belongs to Gymnarthridae'
- 'Cardiocephalus sternbergi belongs to Cardiocephalus' according to Broili 1904
- 'Cardiocephalus sternbergi belongs to Cardiocephalus'
- 'Chondrostei belongs to Actinopterygii'
- 'Cotylosauria was reranked as a order and belongs to Anapsida'
- 'Crossopterygidae is corrected as Crossopterygii and belongs to Sarcopterygii'
- 'Dicellopygidae belongs to Palaeoniscoidei'
- 'Dimetrodon belongs to Sphenacodontidae'
- 'Dimetrodon loomisi belongs to Dimetrodon'
- 'Diplocaulus belongs to Keraterpetontidae'
- 'Diplocaulus magnicornis belongs to Diplocaulus'
- 'Dipnoi was reranked as a order and belongs to Sarcopterygii'
- 'Dissorophidae belongs to Dissorophoidea'
- 'Dissorophoidea belongs to Temnospondyli'
- 'Ectocynodon aguti is recombined as Captorhinus aguti'
- 'Ectosteorhachis belongs to Osteolepidae'
- 'Ectosteorhachis nitidus belongs to Ectosteorhachis'
- 'Edaphosauria belongs to Pelycosauria'
- 'Edaphosauridae belongs to Edaphosauria'
- 'Edaphosaurus belongs to Edaphosauridae'
- 'Elasmobranchii belongs to Chondrichthyes'
- 'Gnathorhiza belongs to Lepidosirenidae'
- 'Gnathorhiza serrata belongs to Gnathorhiza'
- 'Grandfieldia belongs to Rhabdolepidae'
- 'Grandfieldia callilepidota belongs to Grandfieldia'
- 'Gymnarthridae belongs to Microsauria'
- 'Hapsidopareion belongs to Hapsidopareiontidae'
- 'Hapsidopareion lepton belongs to Hapsidopareion'
- 'Hapsidopareiontidae belongs to Microsauria'
- 'Keraterpetontidae belongs to Lepospondyli'
- 'Labidosaurus belongs to Captorhinidae'
- 'Labyrinthodontia was reranked as a subclass and belongs to Amphibia'
- 'Lepidosirenidae belongs to Dipnoi'
- 'Lepospondyli was reranked as a subclass and belongs to Amphibia'
- 'Lysorophidae belongs to Microsauria'
- 'Lysorophus belongs to Lysorophidae'
- 'Lysorophus tricarinatus belongs to Lysorophus'
- 'Micraroter belongs to Microsauria'
- 'Micraroter erythrogeios belongs to Micraroter'
- 'Microsauria belongs to Lepospondyli'
- 'Osteolepidae belongs to Osteolepidoidea'
- 'Osteolepidoidea belongs to Rhipidistia'
- 'Palaeonisciformes belongs to Chondrostei'
- 'Palaeoniscoidei belongs to Palaeonisciformes'
- 'Pariotichus belongs to Gymnarthridae'
- 'Pelycosauria belongs to Synapsida'
- 'Pleuracanthodii belongs to Elasmobranchii'
- 'Procolophonia belongs to Cotylosauria'
- 'Procolophonoidea belongs to Procolophonia'
- 'Rhabdolepidae belongs to Palaeoniscoidei'
- 'Rhipidistia belongs to Crossopterygidae'
- 'Sarcopterygii belongs to Osteichthyes'
- 'Sphenacodontidae belongs to Sphenacodontoidea'
- 'Sphenacodontoidea belongs to Pelycosauria'
- 'Synapsida belongs to Reptilia'
- 'Temnospondyli was reranked as a order and belongs to Labyrinthodontia'
- 'Tersomius belongs to Dissorophidae'
- 'Tersomius mosesi belongs to Tersomius' according to Olson 1970
- 'Tersomius mosesi belongs to Tersomius'
- 'Tersomius texensis belongs to Tersomius'
- 'Trimerorhachidae belongs to Trimerorhachoidea'
- 'Trimerorhachis belongs to Trimerorhachidae'
- 'Trimerorhachis insignis belongs to Trimerorhachis' according to Cope 1893
- 'Trimerorhachis insignis belongs to Trimerorhachis'
- 'Trimerorhachoidea belongs to Temnospondyli'
- 'Xenacanthidae belongs to Pleuracanthodii'
- 'Xenacanthus belongs to Xenacanthidae'