Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Phyllacanthus imperialis (oral) Description Oral side: The peristome is much larger than the apical system.Test diameter 66 mm, Negros, Philippines. Author Schultz, Heinke JPG file - 148.75 kB - 947 x 967 pixels added on 2005-02-23303 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview