Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Stylocidaris calacantha (oral) Description Oral side: The primary spines are slender and longitudinally ridged.Diameter of test 31 mm; Hawaii.ZMUC Author Schultz, Heinke JPG file - 101.13 kB - 945 x 1 152 pixels added on 2011-02-23203 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview