Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Tromikosoma uranus (oral ambulacral plates) Description Ambulacral plates on oral side: The large tubercles of the primary plates form an oblique row.Scale 20 mm. Author Schultz, Heinke JPG file - 48.24 kB - 472 x 430 pixels added on 2011-02-23361 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview