Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Stereocidaris ingolfiana (ambulacral plates) Description Ambulacral plates: The inner space is filled with irregularly arranged small tubercles. Author Schultz, Heinke JPG file - 73.98 kB - 709 x 598 pixels added on 2011-02-23459 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview