Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Allocentrotus fragilis (aboral) Description Aboral side: The secondary tubercles are very small and inconspicuous aborally.Diameter of test 71 mm; California, USA. Author Schultz, Heinke JPG file - 213.59 kB - 1 120 x 1 137 pixels added on 2005-02-23284 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview