Crocodylians, sometimes also called crocodilians, are a group of reptiles that includes crocodiles, alligators, caimans, and gharials. These animals are best known for their long snouts, sharp teeth, and powerful jaws. While the term "crocodylians" is commonly used, there are several alternative words and phrases that can be used to describe this group of animals. One popular synonym is "crocodiles and their kin," which emphasizes the familial relationship between the various species. Other options include "crocodilians," "crocodiliformes," and "crocodylomorphs." Whatever the word choice, there's no denying that these fierce and fascinating creatures are an important part of the Earth's wildlife.