Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Lissodiadema lorioli (apical system) Description Apical system: All plates lack tubercles. Along the periproctal edge the plates are raised forming a distinct wall.Scale 3 mm. Author Mortensen, Theodor JPG file - 84.13 kB - 709 x 644 pixels added on 2011-02-23175 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview