Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Toxopneustes pileolus (ambulacral plates) Description Ambulacral plates at the upper side: The pore-pairs form three vertical series in a dense band.Scales 1 mm. Author Mortensen, Theodor JPG file - 127.58 kB - 945 x 755 pixels added on 2005-02-23312 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview