Crocodilian reptiles are a group of reptiles that include crocodiles, alligators, and caimans. These animals are known for their long, powerful jaws and scaly, armored skin. There are several synonyms for the term "crocodilian reptile", including crocodilian, crocodylian, crocodilid, crocodile-like reptile, gavial, and reptilian predator. The word crocodilian comes from the Greek words krokodilos ("crocodile") and oura ("tail"), and is often used to refer to any member of the Crocodylidae family, which includes crocodiles, alligators, and caimans. Whether you call them crocodilians, gavials, or reptilian predators, these incredible animals are a fascinating part of the animal kingdom.