Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Heterocentrotus mamillatus (aboral) Description Aboral side: The interambulacral plates are high and each has one large tubercle.Width 49 mm, height 25 mm; Negros, Philippines. Author Schultz, Heinke JPG file - 144.58 kB - 945 x 810 pixels added on 2005-02-23374 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview