| 1. Morris, M. and D. Fautin. 2001. "Scyphozoa" (On-line), Animal Diversity Web. Accessed November 26,
                                    2005 at  
                                    
 http://animaldiversity.ummz.umich.edu/site/accounts/information/Scyphozoa.html.
                                  2. Dr. Craig S. Hood, professor of biological sciences. Loyola University, New Orleans (online)
                                    
 www.loyno.edu/~chood/zooweb/cnidphylogeny.html
                                  3. Reents of the University of California. UCMP web server
                                    
 http://www.ucmp.berkeley.edu/cnidaria/scyphozoafr.html
                                  
                                  5.http://jwilson.coe.uga.edu/EMT668/EMAT6680.2002.Fall/Nazarewicz/7210_final_2/7210_Project/pictures/image9.gif
                                  6.http://www.student.loretto.org/zoology/phylum_cnidaria.htm
                                  7. http://oceanlink.island.net/ask/cnidaria.html
                                  8. Introduction to the Cnidarian. UCMP, Berkeley.
                                    
 http://www.personal.psu.edu/users/j/x/jxf280/141997.jpg
                                  9. Ben Waggoner, 1994 ,Introduction to the Cnidarian. UCMP, Berkeley. Department of Biology ,University
                                    of Central Arkansas 
                                    
 http://www.ucmp.berkeley.edu/cnidaria/scyphozoa.html
                                  10. Arai, M. N. 1996. A Functional Biology of Scyphozoa. Chapman and Hall, London. 300 pp.   11. Calder, D. R. 1983. Nematocysts of stages in the life cycle of Stomolophus meleagris, with keys
                                    to scyphistomae and ephyrae of some western Atlantic Scyphozoa. Can. J. Zool. 61:1185-1192.   12. Halstead, B. W. 1988. Poisonous and Venomous Marine Animals of the World. 2nd ed. Darwin Press,
                                    Princeton. 1168 pp.  
                                    
 13. George von Dassow; Oct. 4th 2000,  Professor at University of Washington
                                    
 http://raven.zoology.washington.edu/embryos/auximages/aglantha_nematocysts2.jpg
                                  
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