Click here to view this list including all inactive taxa.
Crocodilians
| Alligator | Alligators |
| Alligator mississippiensis | American Alligator |
| Caiman | Caimans |
| Caiman crocodilus | Spectacled Caiman |
| C. c. fuscus | Chiapan Caiman |
| Crocodylus | Crocodiles |
| Crocodylus acutus | American Crocodile |
| Crocodylus moreletii | Morelet's Crocodile |
| Paleosuchus | Smooth-fronted Caimans |
| Paleosuchus palpebrosus | Dwarf Caiman |