Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Lissodiadema purpureum (aboral) Description Aboral side: Adapically the interambulacral median areas are naked, the uppermost primary tubercles lacking.Diameter 27 mm; Guam. Author van Noordenburg, Henk JPG file - 155.43 kB - 945 x 928 pixels added on 2011-02-23215 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 van Noordenburg, Henk Click here to return to the thumbnails overview