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 » ReferencesDiadema setosum (apical system)Description Apical system: Traces of the blue spots are shown as stippled patches between the gonopores (in solid black) and the edge of the peristome.Scale 2 mm.Author Mortensen, TheodorJPG file - 112.78 kB - 1 016 x 1 019 pixelsadded on 2005-02-23582 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Mortensen, TheodorClick here to return to the thumbnails overview