Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Protenaster australis (test, aboral) Description Aboral side: The petals are distinctly sunken, the anterior pair forming an angle of about 180°.Test length 61 mm; Sydney, Australia. Author Schultz, Heinke JPG file - 142.12 kB - 945 x 1 039 pixels added on 2005-02-23442 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke Click here to return to the thumbnails overview