Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Lissodiadema purpureum (aboral, oblique view) Description Oblique view of upper side: The entire apical disc is distinctly sunken.Diameter 27 mm; Guam. Author van Noordenburg, Henk JPG file - 121.31 kB - 923 x 728 pixels added on 2011-02-23212 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 van Noordenburg, Henk Click here to return to the thumbnails overview