invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin

class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles; decapods; water fleas

one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae

a grasping structure on the limb of a crustacean or other arthropods

either of a pair of mouthparts in insects and other arthropods that are usually used for biting and crushing food.

a major subclass of crustaceans

crustaceans characteristically having five pairs of locomotor appendages each joined to a segment of the thorax

typical crabs

a kind of crustacean

aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding

class of mandibulate arthropods including: lobsters; crabs; shrimps; woodlice; barnacles; decapods; water fleas

one of a pair of glands (believed to have excretory functions) in some crustaceans near the base of the large antennae

a grasping structure on the limb of a crustacean or other arthropods

The cephalothorax is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind.

One of a set of three paired appendages on the thorax of a decapod crustacean, located just posterior to the maxillae and used in feeding.