Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Sperosoma grimaldii (apical disc) Description Part of apical disc: The membranous proiongation of the genital plates may be distinct like here or short.Scale 4 mm. Author Schultz, Heinke JPG file - 45.40 kB - 740 x 460 pixels added on 2011-02-23342 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview