Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Heterobrissus hystrix (apical system) Description a. Apical system.Scale 4 mm. Author Schultz, Heinke JPG file - 43.22 kB - 472 x 537 pixels added on 2009-02-23191 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Schultz, Heinke Click here to return to the thumbnails overview