Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Nudechinus ambonensis (apical + periproctal plates) Description Variation of apical and periproctal plates.Scales 3 mm. Author Mortensen, Theodor JPG file - 57.69 kB - 827 x 410 pixels added on 2011-02-23205 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview