The correct option is
D Tortise
A turtle
shell is made of two parts the plastron
and carapace. The upper portion is called as the carapace and the bottom half is called as the plastron. The carapace is the fusion of about 50 bones the ribs and vertebrae. The plastron is the fusion of bones including the clavicles (collar bones), bones between the clavicles and portions of the ribs. A bony bridge joins the carapace and the plastron along the side of the turtle.
The carapace usually has 38 scutes and the plastron, twelve to fourteen. So, the correct answer is option D.