Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Nacospatangus interruptus (anterior ambulacrum) Description Right anterior ambulacrum: The anterior row is rudimentary.Scale 3 mm. Author Mortensen, Theodor JPG file - 62.84 kB - 945 x 363 pixels added on 2009-02-23252 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Mortensen, Theodor Click here to return to the thumbnails overview