Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Heterocentrotus mamillatus (oral) Description Oral side: The peristome is very large and the buccal notches distinct.Width 49 mm, height 25 mm; Negros, Philippines. Author Schultz, Heinke JPG file - 107.03 kB - 957 x 794 pixels added on 2005-02-23299 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview