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 » ReferencesPseudocentrotus depressus (aboral)Description Aboral side: The primary spines are distinctly longer than the secondaries. The remainder of the plates is regularly and moderately densely covered by dark miliary spines.Diameter 66 mm with spines, Hokkaido, Japan.Author van Noordenburg, HenkJPG file - 236.14 kB - 1 096 x 1 094 pixelsadded on 2005-02-23300 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 van Noordenburg, HenkClick here to return to the thumbnails overview