References

http://herba.msu.ru/belomor/images/ast_rub.png

http://www.ehow.com/how_2100039_dissect-starfish.html
"How To Dissect A Starfish"

http://marinebiology-shine.blogspot.com/2007/10/virtual-dissection-starfish.html
"Virtual Dissection - Starfish"

http://www.castlefordschools.com/kent/07-08%20lessons/Lessons/Advanced%20Biology%20Lessons/chapter%2031/Advanced%20Biology%20Chapter%2031%20Echinoderms%20and%20Invertebrate%20Chordates_files/image017.jpg

http://universe-review.ca/I10-82-starfish.jpg

http://www.cumberland.k12.il.us/schools/chs/starwalt%20projects/Starfish/starfish_dissection.htm
"Starfish Dissection"

http://www.marlin.ac.uk/imgs/Species/Echinodermata/o_astrub.jpg