What are the different types of alligators?

Alligators are members of the family Alligatoridae, which is broken up into 2 genus. There are true alligators, of which there are 2 species, the American Alligator and the Chinese Alligator, and the Caiman, which there are 6 species, the Black Caiman, Spectacled Caiman, Broad Snouted Caiman, Yacare Caiman, Cuvier's Dwarf Caiman and Schneider's Dwarf Caiman