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crustaceous
01
having a tough shell or outer layer, or seem like something with a hard outer covering
02
of or belonging to the class Crustacea
Example
Fossilized remains of crustaceous organisms provided valuable insights into the ancient marine ecosystem.
The scientist discovered a tiny, crustaceous creature with a hard exoskeleton in the tide pools.
The old shipwreck was covered in crustaceous barnacles, giving it a weathered and textured appearance.
