Genus Crocodilus is a term used to refer to a group of reptiles that are commonly known as crocodiles. These animals comprise of 13 species, all of which share certain characteristics such as long and narrow jaws, short legs, and a strong tail. While the term Genus Crocodilus is commonly used to describe crocodiles, there are several synonyms that can also be used, including the term crocodylus, which is derived from the Greek word "kroke" meaning pebble. Other synonyms for crocodiles include the names gavial and alligator, although these terms are commonly used to describe other species of reptiles. Regardless of which term you choose, crocodiles remain fascinating creatures with a rich and diverse history.