Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Echinothrix diadema (lateral) Description Side view: The ambulacra are not raised.Diameter of test 72 mm, height 34 mm, Negros, Philippines. Author Schultz, Heinke JPG file - 79.86 kB - 839 x 462 pixels added on 2005-02-23311 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview