Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Prionocidaris callista (lateral) Description Side view: The slender secondary spines are bright red.Diameter with spines 240 mm; Sydney Harbour, Australia, 14 m deep. Author Schultz, Heinke JPG file - 147.06 kB - 1 048 x 964 pixels added on 2005-02-23219 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview