- Animal shell - Hard shell of crabs or tortoises - Protective shell - Shell of a turtle for instance - Shell of tortoise - Shell of tortoise or turtle - The thick shell or shield which covers the back of the
tortoise, or turtle, the crab, and other crustaceous animals.
- Ocean produce - Paella ingredient - Periwinkles or pipis - Any aquatic animal whose external covering consists of a
shell, either testaceous, as in oysters, clams, and other mollusks, or
crustaceous, as in lobsters and crabs.
- An order of Crustacea including the barnacles. When
adult, they have a calcareous shell composed of several pieces. From
the opening of the shell the animal throws out a group of curved legs,
looking like a delicate curl, whence the name of the group. See
Anatifa.
- One of the grand divisions of the animal kingdom,
including the classes Cephalopoda, Gastropoda, PteropodaScaphopoda, and
Lamellibranchiata, or Conchifera. These animals have an unsegmented
bilateral body, with most of the organs and parts paired, but not
repeated longitudinally. Most of them develop a mantle, which incloses
either a branchial or a pulmonary cavity. They are generally more or
less covered and protected by a calcareous shell, which may be
univalve, bivalve, or multivalve.