Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Clypeaster ochrus (part of petal) Description Part of petal.Scale 3 mm. Author Mortensen, Theodor JPG file - 89.79 kB - 709 x 629 pixels added on 2009-02-23599 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Mortensen, Theodor Click here to return to the thumbnails overview