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 » ReferencesIrregularia (petals)Description The inner pore is sub-circular, the outer one more or less elongated. The associated podia are long lobes with an extremely thin surface specialized for gaseous exchange.Scale 5 mm.Author Schultz, HeinkeJPG file - 284.28 kB - 763 x 1 147 pixelsadded on 2005-02-231 367 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Schultz, HeinkeClick here to return to the thumbnails overview