Family Chelydridae

Chelydra - Common snappers are noted for their belligerent disposition when out of the water, their powerful beak-like jaws and their highly mobile head and neck .

Macrochelys - The Alligator Snapping Turtle is one of the largest freshwater turtles in the world.

Platysternon - It is found in China, Laos, Myanmar, Thailand, and Vietnam.