Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Echinometra mathaei (apical system) Description The apical system of the young Echinometra mathaei is very large relative to the size of the test.Scale 4 mm Author Schultz, Heinke JPG file - 106.51 kB - 995 x 719 pixels added on 2005-02-23367 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview