Domain: Eukarya (organisms with complex cells containing a nucleus)
Kingdom: Animalia (multicellular organisms that can move and consume other organisms)
Phylum: Chordata (animals with a notochord, a flexible rod that supports the body)
Class: Reptilia (vertebrates with scales and lay eggs)
Order: Crocodilia (large, aquatic reptiles with powerful jaws and a long snout)
Family: Alligatoridae (crocodilians with a broad snout and a bony septum between the nostrils)
Genus: *Alligator* (includes the American and Chinese alligators)
Species:
* *Alligator mississippiensis* (American Alligator)
* *Alligator sinensis* (Chinese Alligator)
So, to summarize, an alligator is a member of the *Alligator* genus, which is part of the Alligatoridae family, within the Crocodilia order, and so on.