Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Ctenocidaris spinosa (primary spines) Description Primary spines.Longest spine 50 mm.AWI Author Schultz, Heinke JPG file - 57.23 kB - 689 x 1 181 pixels added on 2011-02-23278 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview