Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Pachycentrotus australiae (interambulacral plates) Description Interambulacral plates: The plates are densely set with tubercles of different size.Scale 2 mm. Author Mortensen, Theodor JPG file - 139.72 kB - 827 x 980 pixels added on 2005-02-23289 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview