Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Echinothrix calamaris (lateral) Description Side view: The green, naked median zones in the interambulacra are depressed.Test diameter 62 mm; Negros, Philippines. Author Schultz, Heinke JPG file - 90.00 kB - 881 x 467 pixels added on 2005-02-23292 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview