Cheloniidae is a scientific term used to describe a family of sea turtles. The term Cheloniidae is derived from the Greek word "chelone" that means turtle. There are many other synonyms that are used to refer to this family of sea turtles. Some of these synonyms include the Green Turtle family, the Hard-shelled Sea Turtles, and the Marine Turtle family. Cheloniidae is a diverse group of sea turtles that can be found in oceans worldwide. Despite the many synonyms, each species is unique with its own physical characteristics and behaviors. These sea turtles are important to marine ecosystems and help maintain the balance of the ocean's ecology.