Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Echinometra viridis (apical system) Description Apical system: The apical plates are almost bare.Scale 2 mm. Author Mortensen, Theodor JPG file - 93.30 kB - 877 x 829 pixels added on 2005-02-23258 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview