Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Araeosoma coriaceum (apical region) Description Apical region: The interambulacral plates are strongly bent and separated by broad membranous interstices.Specimen of 125 mm in diameter. Author Agassiz, Alexander JPG file - 258.61 kB - 842 x 836 pixels added on 2011-02-23222 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Agassiz, Alexander Click here to return to the thumbnails overview