carapacial
/ˌkærəpeɪˈsɪəl/Definitions
1. adjective
Relating to the carapace of an animal, especially a turtle or tortoise.
“The carapacial scutes of the turtle played a crucial role in its protection.”
2. noun
The carapacial region of an animal, especially a turtle or tortoise.
“The carapacial area of the turtle was covered with a hard, protective shell.”