Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Tretocidaris spinosa (aboral) Description Aboral side.Diameter of test 42 mm; off St. Helena, southern Atlantic.ZMUC Author Schultz, Heinke JPG file - 159.30 kB - 922 x 916 pixels added on 2011-02-23184 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview