Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Pericosmus bidens (petal) Description Distal end of posterior left petal with occluded plates.Scale 5 mm. Author Mortensen, Theodor JPG file - 66.50 kB - 472 x 538 pixels added on 2009-02-23175 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Mortensen, Theodor Click here to return to the thumbnails overview