Arthropoda

          Arthropoda consists of animals with segmented exoskeletons. This includes Uniramia, Chelicerata, Trilobitomorpha, Crustacea, Marrellamorpha Myriapoda, and Hexapoda.

http://upload.wikimedia.org/wikipedia/commons/thumb/8/80/Arthropoda.jpg/300px-Arthropoda.jpg