Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Strongylocentrotus nudus (apical system) Description Apical system: The terminal plates I and V are broadly insert.Scales 2 mm. Author Mortensen, Theodor JPG file - 269.40 kB - 1 371 x 1 425 pixels added on 2005-02-23944 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview