Bibliography

Ball, F. (2007, April 19). Crayfish. Retrieved from http://www.anapsid.org/crayfish.html

Biology, H. M. Crayfish Observation and Dissection.

Taxonomy. (96, March 13). Retrieved October 12, 2009, from fwie.fw.vt.: http://fwie.fw.vt.edu/WWW/esis/lists/e454002.htm

The Crayfish Corner. (n.d.). Retrieved October 12, 2009, from Mackers: http://www.mackers.com/crayfish/