Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Plesiodiadema indicum (life position) Description The very long spines are curved downwards ending distally in a more or less flattened widening.Kei Is, Indonesia. Author Mortensen, Theodor JPG file - 175.45 kB - 1 654 x 559 pixels added on 2011-02-23206 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview