Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Allocentrotus fragilis (oral) Description Oral side: Primary and secondary tubercles are of sub-equal size orally.Diameter of test 71 mm; California, USA. Author Schultz, Heinke JPG file - 248.88 kB - 1 127 x 1 139 pixels added on 2005-02-23253 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview