Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Gracilechinus affinis (aboral) Description Aboral side: Most of the primary spines are more or less broken.Diameter of test 38 mm; Greenland.ZMUC Author Schultz, Heinke JPG file - 180.83 kB - 945 x 919 pixels added on 2011-02-23497 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview