Animal Order
- Decapoda
Lobsters; crayfish; crabs; shrimps; prawns.
- Isopoda
Woodlice.
- Amphipoda
Small flat-bodied semiterrestrial crustaceans: whale lice; sand-hoppers; skeleton shr...
- Euphausiacea
Small commonly luminescent crustaceans; important element of marine plankton: kril...
- Mysidacea
Opossum shrimp.
Also contains
- malacostracan crustacean
A major subclass of crustaceans.