Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Phyllacanthus imperialis (ambulacral plates) Description Ambulacral plates: The pores of each pair are conjugate, connected by a shallow furrow.Scale 1 mm. Negros, Philippines. Author Schultz, Heinke JPG file - 105.42 kB - 1 030 x 528 pixels added on 2005-02-23304 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview