An oyster
A sea shell may contain a dead animal but the shell itself is a protective covering that an animal made to protect itself.
A turtle or a snail have a shell.
An armadillo shell, much like the shell of any other animal that has a shell, makes it harder for predators to harm the animal.
A hard shell animal? Like a crab or snail?
An aquatic animal, such as a mollusk or crustacean, that has a shell or shell-like exoskeleton.
toheroa
A worm.
A turtle's shell is surprisingly found in skittles...gross!!
turtle
A cowrie.
Animal Atlas - 2004 Life in a Shell was released on: USA: 1 May 2009
shell