Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Stereocidaris squamosa (ambulacral plates) Description Ambulacral plates: There are distinct depressions in the horizontal sutures.Scale 2 mm. Author Mortensen, Theodor JPG file - 61.95 kB - 569 x 443 pixels added on 2011-02-23192 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview