Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Clypeaster japonicus (aboral) Description Aboral side: The petaloid area takes about 2/3 to 3/4 of the test length.Test length 102 mm; Nanao Bay, Ishikawa Prefecture, Japan. Author Schultz, Heinke JPG file - 287.38 kB - 945 x 1 061 pixels added on 2005-02-23504 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview