Order Rodentia refers to the group of mammals commonly known as rodents. These animals are characterized by their continuously growing incisors, which they use for gnawing and feeding. There are many different types of rodents, and some common examples include mice, rats, squirrels, and beavers. There are also many different synonyms for the order Rodentia, including the following: rodent, rodent-like mammal, gnawing mammal, mouse-like mammal, rat-like mammal, and squirrel-like mammal. These terms are used interchangeably to describe the various members of the order, and they can be useful in identifying and categorizing different types of rodents. Regardless of the term used, rodents remain an important part of our world and continue to play an essential role in many ecosystems.