Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Tripneustes gratilla (aboral) Description Aboral side: The colour of the test is rather uniformly purplish with lighter radial stripes.Diameter 71 mm, Hawaii. Author Schultz, Heinke JPG file - 232.23 kB - 1 134 x 1 126 pixels added on 2005-02-23368 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview