Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Hygrosoma petersii (aboral) Description Close-up of aboral side.Scale c. 20 mm.ZMUC Author Schultz, Heinke JPG file - 242.97 kB - 827 x 937 pixels added on 2011-02-23620 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview