Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Chaetodiadema pallidum (apical system) Description Monocyclic apical system: The ocular plates are broadly in contact with the periproctal plates, they are all insert.Scale 10 mm. Author Schultz, Heinke JPG file - 104.85 kB - 578 x 529 pixels added on 2011-02-23579 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview