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 » ReferencesPhyllacanthus imperialis (aboral)Description Aboral side: The primary spines are long and stout, slightly spindle-shaped and often encrusted by foreign organisms.Diameter of test 44 mm; Negros, Philippines.Author Schultz, HeinkeJPG file - 132.96 kB - 1 128 x 1 087 pixelsadded on 2005-02-23293 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Schultz, HeinkeClick here to return to the thumbnails overview