What other organisms is box turtle related to?

Box turtles are part of the family Emydidae, which includes a variety of freshwater and terrestrial turtles. They are more closely related to other turtle species, such as pond turtles and cooters, than to tortoises or marine turtles. All of these species share a common ancestry within the order Testudines, which encompasses all turtles. Additionally, box turtles are related to other reptiles, including snakes and lizards, as they all belong to the class Reptilia.