Alligatoridae

The family Alligatoridae of crocodilians includes alligators, caimans and their extinct relatives.

thumb|right|Spectacled caiman (Caiman crocodilus) thumb|right|Yacare caiman (Caiman yacare) thumb|right|Black caiman (Melanosuchus niger) thumb|right|Cuvier's dwarf caiman (Paleosuchus palpebrosus) thumb|right|Smooth-fronted caiman (Paleosuchus trigonatus)

Alligatorinae is a subfamily within the family Alligatoridae that contains the alligators and their closest extinct relatives, and is the sister taxon to Caimaninae (the caimans). Many genera in Alligatorinae are described, but only the genus Alligator is extant, with the remaining being extinct.