Source : Webster's Revised Unabridged Dictionary (1913)

Testudinata \Tes*tu`di*na"ta\, n. pl. [Nl. See {Testudo}.]
   (Zo["o]l.)
   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.

Source : WordNet®

Testudinata
     n : tortoises and turtles [syn: {Chelonia}, {order Chelonia}, {order
         Testudinata}, {Testudines}, {order Testudines}]