Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Goniocidaris (Goniocidaris) impressa (apical system) Description Part of the apical system of a female: The plates with the large gonopores are evenly tuberculated.Scale 5 mm. Author Mortensen, Theodor JPG file - 104.75 kB - 423 x 731 pixels added on 2005-02-23223 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview