Paleosuchus
Paleosuchus is a South American genus of reptiles in the family Alligatoridae. They are the smallest members of the order Crocodilia in the Americas.
The genus contains two species:
| Image | Scientific name | Common name | Distribution |
| P. palpebrosus | Cuvier's dwarf caiman | Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Paraguay, Peru, Surinam, and Venezuela | |
| P. trigonatus | Smooth-fronted caiman | Amazon and Orinoco Basins |