Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Aeropsis fulva (apical system) Description Apical system: The number of gonopores varies from two to four.No scale Author Agassiz, Alexander JPG file - 104.37 kB - 591 x 756 pixels added on 2009-02-23228 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Agassiz, Alexander Click here to return to the thumbnails overview