Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Plesiodiadema indicum (tubercle) Description Strongly cernulated tubercle of upper primary spine.Scale 0,5 mm. Author Mortensen, Theodor JPG file - 23.30 kB - 552 x 269 pixels added on 2011-02-23194 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview