Data PolicyPublications | Institutes | Persons | Datasets | Projects | Maps IMIS Photogallery » References Arbaciella elegans (apical system) Description The apical system is strongly sculptured in contrast to the four smooth anal plates.Scale 2 mm. Author Mortensen, Theodor JPG file - 184.81 kB - 876 x 819 pixels added on 2011-02-23679 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor Click here to return to the thumbnails overview