Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Hesperocidaris asteriscus (apical system) Description Apical system: There are distinct naked lines along the borders of the genital plates.No scale. Author Schultz, Heinke JPG file - 105.97 kB - 709 x 710 pixels added on 2011-02-23193 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview