A new integrated search interface will become available in the next phase of marineinfo.org.For the time being, please use IMIS to search available data PeopleInstitutesProjectsData setsPublicationsEvents IMIS Photogallery » ReferencesAspidodiadema tonsum (apical system)Description Apical system: Each ocular plate carries a large tubercle on the inner edge.Scale 4 mm.Author Mortensen, TheodorJPG file - 129.03 kB - 827 x 816 pixelsadded on 2011-02-23428 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...© 2011 Mortensen, TheodorClick here to return to the thumbnails overview