Crustacean

Subphylum of arthropods with a chitinous exoskeleton.

crustacean

A subphylum of arthropods, characterized by a segmented body, chitinous exoskeleton, and multiple paired appendages. Examples include crabs, lobsters, shrimp, and barnacles.

Crustacean comes from Latin crustaceus, meaning 'crusted' or 'hard-shelled'.

Crustaceans are a group of animals like crabs, lobsters, and shrimp that have tough outer shells called exoskeletons.

Arthropoda

Crabs Lobsters Shrimp

animal aquatic invertebrate