Eukaryota  >  Metazoa  >  Chordata  >  Crocodylia

Genus	Species
Alligator	2
Caiman	6
Crocodylus	16
Gavialis	1
Mecistops	2
Melanosuchus	1
Osteolaemus	6
Paleosuchus	2
Tomistoma	1
Voay	1