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 » ReferencesHeterocentrotus mamillatus (aboral)Description Upper side: The primary spines are long and robust with a triangular point. They serve to wedge the echinoid between coral blocks in heavy water motion. The secondary spines are short cut.Diameter with spines 136 mm; Hawaii.Author Schultz, HeinkeJPG file - 96.35 kB - 945 x 692 pixelsadded on 2011-02-23300 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...© 2011 Schultz, HeinkeClick here to return to the thumbnails overview