Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Hesperocidaris perplexa (oral) Description Oral side.Diameter with spines 115 mm; Gulf of California.ZMUC Author Schultz, Heinke JPG file - 208.52 kB - 895 x 1 435 pixels added on 2011-02-23205 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview