Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Salmaciella dussumieri (apical system) Description Apical system: The opening of the anus lies very eccentric in the periproct.Scale 2 mm. Author Mortensen, Theodor JPG file - 142.34 kB - 945 x 974 pixels added on 2005-02-23258 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Mortensen, Theodor Click here to return to the thumbnails overview