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 » ReferencesAporocidaris usarpi (primary spines)Description d. Oral primary spine, e. Aboral primary spine.d+e. Scale 10 mm.Author Schultz, HeinkeJPG file - 29.97 kB - 276 x 1 157 pixelsadded on 2011-02-23289 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...© 2011 Schultz, HeinkeClick here to return to the thumbnails overview