Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Phalacrocidaris japonica (aboral) Description Aboral side: The primary spines are very slender.Diameter of test 27 mm; Sagami Bay, Japan.ZMUC Author Schultz, Heinke JPG file - 95.50 kB - 945 x 885 pixels added on 2011-02-23211 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview