Suborder CRUSTACEA

Class Malacostraca

Superorder eucarda

ORDER DECAPODA:Infraorders

Anomura
Hermit Crabs

Astacidia
Crayfish

Brachyura
True Crabs & Shrimp

Caridea
Caridean Shrimps

Acheta
Spiny Lobster

SUPERORDER PERACARIDA:Orders

Amphipoda
Beach Hoppers

Isopoda
Woodlice, Sowbugs

Mysida
Mysid Shrimps

Tanaidacae

CLASS MAXILLOPODA:Subclasses

Branchiura
Fish Lice

Copepoda
Copepods

Thecostraca
Sessile Barnacles