Mostly aquatic mandibulate arthropods having a chitinous or calcareous and chitinous exoskeleton, a pair of often much modified appendages on each segment, two pairs of antennae and include lobsters, shrimps, crabs, wood lice, water fleas, and barnacles.

Articles on that refer to Crustacean

Reading, Writing and Robots By Steffan Heuer

News Articles that refer to Crustacean

Crab chemical could give cars a self-healing 'shell'

Related Links

Central Terminal for Crustacean Neuroscience
Crustacean Society