Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Burrowing of Echinocardium cordatum Description ln sandy sediment the sea urchin builds a new funnel at a distance of about 4 cm from the abandoned one. Author Schultz, Heinke JPG file - 60.13 kB - 945 x 1 612 pixels added on 2005-02-231 323 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview