Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Pachycentrotus australiae (lateral) Description Side view: Around the ambitus the secondary tubercles in ambulacra and interambulacra are only slightly smaller than the primaries.Diameter 32 mm; South Australia. Author Schultz, Heinke JPG file - 163.75 kB - 1 054 x 706 pixels added on 2005-02-23267 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview