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 » ReferencesArbacia stellata (aboral)Description Aboral side: In shallow water this sea urchin has shorter and stouter spines, especially on the upper side. The interambulacral median areas are bordered by only a single series of spines.Test diameter 39 mm; St. Elena, Ecuador.ZMHAuthor Schultz, HeinkeJPG file - 212.89 kB - 1 123 x 1 091 pixelsadded on 2005-02-23254 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Schultz, HeinkeClick here to return to the thumbnails overview