Testudinata

‖Tes‐tu′di‐na″ta (?), n. pl. [Nl. See Testudo.] (Zoöl.) An order of reptiles which includes the turtles and tortoises. The body is covered by a shell consisting of an upper or dorsal shell, called the carapace, and a lower or ventral shell, called the plastron, each of which consists of several plates.