subphylum of arthropods
What are some common families of crustaceans? Is there any of #1 that lives in a terrestrial habitat? Do any of #1 that are aquatic also live in freshwater? Are #2 and #3 negative?
Do all crustaceans live in the ocean?
The woodlice family of crustaceans is terrestrial. There are also many crustacean species living in fresh water rivers and lakes.
Crustacean