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 » ReferencesPrionocidaris bispinosa (apical system)Description Apical system: The plates are densely covered by small granules, at the outer and inner edge larger tubercles are developed.Scale 4 mm (after Mortensen)Author Schultz, HeinkeJPG file - 214.05 kB - 928 x 922 pixelsadded on 2005-02-23303 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Schultz, HeinkeClick here to return to the thumbnails overview