The decapod (crustaceans such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon (abdomen).[1][2] Each segment may possess one pair of appendages, although in various groups these may be reduced or missing. They are, from head to tail:
- ^ Gary C. B. Poore (2004). "Glossary". Marine Decapod Crustacea of Southern Australia: a Guide to Identification. CSIRO Publishing. pp. 549–556 https://books.google.co.uk/books?id=ZZWnuGc0xlMC&pg=PA549. ISBN 9780643069060.
- ^ Robert P. D. Crean (November 14, 2004). "Characters and Anatomy". Order Decapoda. University of Bristol. Archived from the original on November 10, 2013. Retrieved April 23, 2012.