Family Alligatoridae
This family regroups the Alligators and Caimans.

Alligator mississippiensis – American alligator
Alligator sinensis – Chinese alligator
Caiman crocodilus crocodilus – Spectacled caiman
Caiman crocodilus fuscus – Spectacled caiman
Caiman latirostris – Broad-snouted caiman
Paleosuchus palpebrosus – Cuvier’s smooth-fronted caiman

Family Gavialidae
This monotypic family has been created for the Indian gharial.

Gavialis gangeticus – Indian gharial