Carapace
From Tardis Wiki, the free Doctor Who reference
The Tenth Doctor observed a Pyrovile with a carapace of stone. (TV: The Fires of Pompeii [+]Loading...["The Fires of Pompeii (TV story)"])
Following the early subspecies, the Middle Silurians had adapted to a more desert-like environment, gaining a large carapace. (PROSE: The Monster Vault [+]Loading...["The Monster Vault (novel)"])
