Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Asthenosoma varium (apical system) Description Apical system: In large specimens the plates look dissolved and placed on the membrane.Scale 10 mm. Author Schultz, Heinke JPG file - 146.45 kB - 836 x 868 pixels added on 2005-02-23229 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview