Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Pseudocentrotus depressus (aboral ambulacral plates) Description Aboral ambulacral plates: The pore-pairs are more or less arched.Scale 2 mm. Author Mortensen, Theodor JPG file - 138.75 kB - 945 x 679 pixels added on 2005-02-23340 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview