Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Clypeaster sp. (aboral) Description Aboral side: The petals are widely open.Length 99 mm; Mactan Is., Philippines. Author van Noordenburg, Henk JPG file - 295.56 kB - 1 181 x 1 209 pixels added on 2009-02-23818 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 van Noordenburg, Henk Click here to return to the thumbnails overview