Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Asthenosoma ijimai (apical system) Description Apical system: The madrepores extend over ocular and periproctal plates (arrows).Diameter of test 96 mm; Maldives. Author van Noordenburg, Henk JPG file - 173.41 kB - 827 x 758 pixels added on 2011-02-23253 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 van Noordenburg, Henk Click here to return to the thumbnails overview