Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Goniocidaris (Goniocidaris) tubaria (apical system) Description Part of the apical system: The female has large gonopores (left), the male much smaller ones (right).Scale 10 mm. Author Mortensen, Theodor JPG file - 97.88 kB - 968 x 721 pixels added on 2005-02-23262 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview