Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Phyllacanthus magnificus (scrobicular spine) Description Scrobicular spine: There is a distinct keel on the upper side of the spine ending basally in a small hump.Scale 2 mm. Author Mortensen, Theodor JPG file - 35.31 kB - 281 x 709 pixels added on 2011-02-23212 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview