Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Aspidodiadema tonsum (aboral) Description Aboral side.Diameter of test 24 mm; Kanazuma, Japan. Author van Noordenburg, Henk JPG file - 123.90 kB - 825 x 852 pixels added on 2011-02-23521 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 van Noordenburg, Henk Click here to return to the thumbnails overview