CLASS MALACOSTRACA

TheMalacostraca is also a large and diverse group of Crustaceans , and contains the most familiar forms, especially on dinner tables. This group is treated further in the section on Malacostraca . The subclasses of Malacostracans are:
Subclass Phyllocarida (leptostracans)
Subclass Eumalacostraca (shrimps, crabs, lobsters, amphipods, isopods, mysids, euphausids, and others