noun
- a large group of arthropods that includes crabs, lobsters, shrimp, and barnacles, typically having a hard shell and living in water
Usage: scientific classification
Examples
- Crustacea is one of the largest classes in the animal kingdom.
- Marine biologists study various species within Crustacea.
- Lobsters and crabs belong to the group Crustacea.
- The restaurant specializes in dishes made from Crustacea.
- Students learned about the anatomy of Crustacea in biology class.
- Many members of Crustacea are important food sources for humans.