Crustacea-Subgroups

There are many divisions of the Crustacea. The list here includes the major classes, and some of the orders, but it is not exhaustive. The divisions presented are as given by Brusca & Brusca 1990.

Phylum Arthropoda
- Subphylum Crustacea
  - Class Remipedia
  - Class Cephalocarida
  - Class Branchiopoda
  - Class Maxillopoda
    - Subclass Ostracoda
    - Subclass Mystacocarida
    - Subclass Copepoda
    - Subclass Branchiura
    - Subclass Cirripedia (Barnacles)
    - Subclass Tantulocarida
  - Class Malacostraca
    - Subclass Phyllocarida
    - Subclass Eumalacostraca (Mantis shrimps).
      - Superorder Eucarida
        Order Decapoda (crabs, shrimps, lobsters, etc)
      - Superorder Peracarida
        Order Isopoda (Rocklice, woodlice, etc)
        Order Amphipoda (Beach hoppers, sand fleas, skeleton shrimps)