Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Calveriosoma hystrix (ambulacral plates) Description Ambulacral plates: Left: Aboral side. Right: Oral side. After Mortensen (1935).Scale 6 mm. Author Schultz, Heinke JPG file - 89.29 kB - 1 181 x 349 pixels added on 2011-02-23492 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview