Opinions from D. M. S. Watson 1919

  • 'Acanthostomatidae is a subjective synonym of Zatrachydae'
  • 'Acheloma belongs to Achelomidae'
  • 'Achelomidae belongs to Rachitomi'
  • 'Actinodon belongs to Actinodontidae'
  • 'Actinodontidae belongs to Rachitomi'
  • 'Alegeinosaurus belongs to Aspidosaurinae'
  • 'Anaschisma [misspelled as Anaschima] belongs to Metoposauridae'
  • 'Aphaneramma belongs to Trematosauridae'
  • 'Archegosauridae belongs to Rachitomi'
  • 'Archegosaurus belongs to Archegosauridae'
  • 'Aspidosauridae was reranked as the subfamily Aspidosaurinae and belongs to Dissorophidae'
  • 'Aspidosaurus belongs to Aspidosaurinae'
  • 'Batrachosuchus belongs to Brachyopidae'
  • 'Bothriceps belongs to Brachyopidae'
  • 'Brachyopidae belongs to Stereospondyli'
  • 'Brachyops belongs to Brachyopidae'
  • 'Broiliellus belongs to Aspidosaurinae'
  • 'Cacops belongs to Dissorophinae'
  • 'Capitosauridae belongs to Stereospondyli'
  • 'Capitosaurus belongs to Capitosauridae'
  • 'Chelydosaurus belongs to Actinodontidae'
  • 'Cochleosaurus belongs to Rachitomi'
  • 'Cyclotosaurus belongs to Capitosauridae'
  • 'Dasyceps belongs to Zatrachydae'
  • 'Discosaurus belongs to Rachitomi'
  • 'Dissorophidae belongs to Rachitomi'
  • 'Dissorophinae belongs to Dissorophidae'
  • 'Dissorophus belongs to Dissorophinae'
  • 'Embolomeri belongs to Labyrinthodontia'
  • 'Eryopidae belongs to Rachitomi'
  • 'Eryops belongs to Eryopidae'
  • 'Laccocephalus belongs to Rhinesuchidae'
  • 'Laccocephalus insperatus belongs to Laccocephalus'
  • 'Lonchorhynchus belongs to Trematosauridae'
  • 'Lydekkerina belongs to Lydekkerinidae'
  • 'Lydekkerinidae belongs to Rachitomi'
  • 'Lyrocephalus belongs to Trematosauridae'
  • 'Mastodonsauridae belongs to Stereospondyli'
  • 'Mastodonsaurus belongs to Mastodonsauridae'
  • 'Melosaurus belongs to Rachitomi'
  • 'Metoposauridae belongs to Stereospondyli'
  • 'Metoposaurus belongs to Metoposauridae'
  • 'Micropholidae belongs to Rhachitomi'
  • 'Micropholis belongs to Micropholidae'
  • 'Onchiodon belongs to Eryopidae'
  • 'Osteophorus belongs to Actinodontidae'
  • 'Parioxys belongs to Eryopidae'
  • 'Plagiosaurus belongs to Brachyopidae'
  • 'Plagiosternum belongs to Brachyopidae'
  • 'Platyhystrix [misspelled as Platyhystryx] belongs to Zatrachydae'
  • 'Platyops belongs to Rachitomi'
  • 'Platystega belongs to Trematosauridae'
  • 'Rhachitomi [misspelled as Rachitomi] belongs to Embolomeri'
  • 'Rhinesuchidae belongs to Rachitomi'
  • 'Rhinesuchus belongs to Rhinesuchidae'
  • 'Sclerocephalus belongs to Actinodontidae'
  • 'Sparagmites belongs to Rachitomi'
  • 'Stereospondyli was reranked as a unranked clade and belongs to Labyrinthodontia'
  • 'Tertrema belongs to Trematosauridae'
  • 'Trematops belongs to Trematopsidae'
  • 'Trematopsidae belongs to Rachitomi'
  • 'Trematosauridae belongs to Stereospondyli'
  • 'Trematosaurus belongs to Trematosauridae'
  • 'Trematosuchus belongs to Trematosauridae'
  • 'Trimerorhachidae [misspelled as Trimerorachidae] belongs to Rachitomi'
  • 'Trimerorhachis [misspelled as Trimerorachis] belongs to Trimerorachidae'
  • 'Zatracheidae [misspelled as Zatrachydae] belongs to Rachitomi'
  • 'Zatrachys belongs to Zatrachydae'
  • 'Zygosaurus belongs to Dissorophinae'