Sauria is a term used to describe a group of reptiles that includes lizards, geckos, and iguanas. However, there are various synonyms that can be used instead of Sauria, and these include Lacertilia, Reptilia, and Squamata. Lacertilia is a term used specifically to describe lizards and closely related reptiles, while Reptilia refers to all reptiles, including snakes, crocodiles, and turtles, in addition to lizards and their kin. The term Squamata encompasses all scaled reptiles, including snakes and lizards. Regardless of the terminology used, these animals are fascinating and have a long and diverse evolutionary history.