Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Rhopalocidaris gracilis (spines) Description Aboral primary spines with strongly developed cortical hair.Diameter of test 19 mm; Misaki, Japan.ZMUC Author Schultz, Heinke JPG file - 150.57 kB - 945 x 1 276 pixels added on 2011-02-23218 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview