Opinions from C. A. Brochu 1999
- 'Alligator belongs to Alligatorinae'
- 'Alligator darwini belongs to Alligator' according to Ludwig 1877
- 'Alligator darwini is recombined as Diplocynodon darwini' according to Berg 1966
- 'Alligator darwini is recombined as Diplocynodon darwini'
- 'Alligator gaudryi belongs to Alligator' according to de Stefano 1905
- 'Alligator gaudryi is recombined as Arambourgia gaudryi' according to Kalin 1939
- 'Alligator mcgrewi belongs to Alligator'
- 'Alligator mefferdi belongs to Alligator'
- 'Alligator olseni belongs to Alligator'
- 'Alligator sinensis belongs to Alligator'
- 'Alligatoridae belongs to Globidonta'
- 'Alligatorinae belongs to Alligatoridae'
- 'Alligatoroidea was reranked as a unranked clade and belongs to Brevirostres'
- 'Allognathosuchus belongs to Alligatorinae'
- 'Allognathosuchus mooki is recombined as Navajosuchus mooki'
- 'Allognathosuchus riggsi is a subjective synonym of Alligator prenasalis'
- 'Allognathosuchus wartheni belongs to Allognathosuchus'
- 'Arambourgia belongs to Alligatorinae'
- 'Baryphracta belongs to Diplocynodontinae'
- 'Baryphracta deponiae belongs to Baryphracta'
- 'Brachychampsa belongs to Globidonta'
- 'Caiman belongs to Jacarea'
- 'Caimaninae belongs to Alligatoridae'
- 'Caimanoidea visheri is a subjective synonym of Alligator prenasalis' according to Higgins 1972
- 'Ceratosuchus belongs to Alligatorinae'
- 'Crocodilus hastingsiae belongs to Crocodilus' according to Owen 1850
- 'Crocodilus hastingsiae is a subjective synonym of Diplocynodon hantoniensis'
- 'Crocodilus mississippiensis is recombined as Alligator mississippiensis'
- 'Crocodilus palpebrosus belongs to Crocodilus' according to Cuvier 1807
- 'Crocodilus palpebrosus is recombined as Paleosuchus palpebrosus'
- 'Crocodilus prenasalis is recombined as Alligator prenasalis' according to Matthew 1918
- 'Crocodilus prenasalis is recombined as Alligator prenasalis'
- 'Crocodylus ebertsi is a subjective synonym of Alligator darwini'
- 'Crocodylus ebertsi belongs to Crocodylus' according to Ludwig 1877
- 'Crocodylus ebertsi is recombined as Diplocynodon ebertsi' according to Berg 1966
- 'Deinosuchus belongs to Alligatoroidea'
- 'Diplocynodon belongs to Diplocynodontinae'
- 'Diplocynodon gracilis is a subjective synonym of Diplocynodon ratelii'
- 'Diplocynodus polyodon is recombined as Allognathosuchus polyodon'
- 'Eocaiman belongs to Caimaninae'
- 'Globidonta belongs to Alligatoroidea'
- 'Hassiacosuchus belongs to Alligatorinae'
- 'Hassiacosuchus haupti belongs to Hassiacosuchus'
- 'Hassiacosuchus kayi is recombined as Procaimanoidea kayi'
- 'Jacarea was reranked as a unranked clade and belongs to Caimaninae'
- 'Leidyosuchus belongs to Alligatoroidea'
- 'Lianghusuchus belongs to Alligatoridae'
- 'Melanosuchus belongs to Jacarea'
- 'Melanosuchus fisheri belongs to Melanosuchus'
- 'Mourasuchus belongs to Caimaninae'
- 'Navajosuchus novomexicanus is a subjective synonym of Allognathosuchus mooki'
- 'Orthogenysuchus belongs to Caimaninae'
- 'Paleosuchus belongs to Caimaninae'
- 'Paleosuchus trigonatus belongs to Paleosuchus'
- 'Procaimanoidea belongs to Alligatorinae'
- 'Purussaurus belongs to Caimaninae'
- 'Stangerochampsa belongs to Globidonta'
- 'Wannaganosuchus belongs to Alligatorinae'
- 'Wannaganosuchus brachymanus belongs to Wannaganosuchus'