carapaxes

noun
  1. Plural of carapax; the hard protective shell or outer covering of a turtle, tortoise, or crustacean.
  2. Usage: Most commonly refers to the dorsal (upper) shell of turtles and tortoises.; Also used for the hard exoskeleton of crustaceans such as crabs and lobsters.; Carapace is the more standard modern spelling; carapax is an older or variant form.

Examples