Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Phyllacanthus parvispinus (aboral) Description Aboral side: The madreporite is larger than the other genital plates.Diameter 56 mm; Port Jackson, NSW, Australia.ZMUC Author Schultz, Heinke JPG file - 144.53 kB - 922 x 865 pixels added on 2011-02-23254 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview