Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Calocidaris micans (ambulacral plates) Description Ambulacral plates: The interporiferous zone is covered by four series of tubercles; the inner ones only slightly smaller than the marginal tubercles.Scale 3 mm. Author Schultz, Heinke JPG file - 69.47 kB - 689 x 475 pixels added on 2011-02-23224 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview