Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Echinarachnius parma (aboral) Description Aboral side: The five petals are open and equal in size.Test length 47 mm; Vancouver Island, Canada. Author Schultz, Heinke JPG file - 193.96 kB - 945 x 922 pixels added on 2005-02-23514 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview