| image = American Alligator.jpg | image_width = 200px | image_caption = American Alligator, Alligator mississippiensis | regnum = Animalia | phylum = Chordata | classis = Reptilia | subclassis = Diapsida | infraclassis = Archosauromorpha | unranked_ordo = Crurotarsi | superordo = Crocodylomorpha | ordo = Crocodilia | ordo_authority = Owen, 1842 | range_map = World.distribution.crocodilia.1.png | range_map_caption = Aquatic and terrestrial range of crocodilians | range_map_width = 250px | subdi… (More on Crocodilia)