Opinions from P. C. Sereno 1991
- 'Aetosauria belongs to Suchia'
- 'Angistorhinus belongs to Parasuchia'
- 'Archosauria belongs to Archosauriformes'
- 'Campylognathoides belongs to Pterosauria'
- 'Crocodilomorphi was reranked as the unranked clade Crocodylomorpha and belongs to Suchia'
- 'Crurotarsi belongs to Archosauria'
- 'Dimorphodon belongs to Pterosauria'
- 'Dinosauria was reranked as a unranked clade and belongs to Dinosauromorpha'
- 'Dinosauromorpha belongs to Ornithodira'
- 'Dorygnathus belongs to Pterosauria'
- 'Erythrosuchidae belongs to Archosauriformes'
- 'Eudimorphodon belongs to Pterosauria'
- 'Euparkeria belongs to Archosauriformes'
- 'Gracilisuchus belongs to Suchia'
- 'Lagerpeton chanarensis belongs to Lagerpeton'
- 'Lagosuchus belongs to Dinosauromorpha'
- 'Lagosuchus talampayensis belongs to Lagosuchus'
- 'Mystriosuchus belongs to Parasuchia'
- 'Nicrosaurus belongs to Parasuchia'
- 'Ornithodira belongs to Archosauria'
- 'Ornithosuchidae belongs to Crurotarsi'
- 'Ornithosuchus belongs to Ornithosuchidae'
- 'Parasuchia belongs to Crurotarsi'
- 'Parasuchus belongs to Parasuchia'
- 'Peteinosaurus belongs to Pterosauria'
- 'Poposauridae belongs to Suchia'
- 'Prestosuchus belongs to Crurotarsi'
- 'Proterochampsidae belongs to Archosauriformes'
- 'Pseudolagosuchus belongs to Dinosauromorpha'
- 'Pseudolagosuchus major belongs to Pseudolagosuchus'
- 'Pterodactyloidea belongs to Pterosauria'
- 'Pterosauria was reranked as a unranked clade and belongs to Ornithodira'
- 'Rauisuchia belongs to Suchia'
- 'Rhamphorhynchus belongs to Pterosauria'
- 'Riojasuchus belongs to Ornithosuchidae'
- 'Rutiodon belongs to Parasuchia'
- 'Scaphognathus belongs to Pterosauria'
- 'Scleromochlus belongs to Ornithodira'
- 'Suchia belongs to Crurotarsi'
- 'Venaticosuchus belongs to Ornithosuchidae'