Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Caenopedina annulata (apical system) Description Apical system: The tubercles on the genital plates are arranged in two clusters along the inner and outer edges; small black spots are scattered in the median part. The periproctal plates are so small that they are not recognizable.Scale 5 mm; male. Author Schultz, Heinke JPG file - 171.04 kB - 802 x 783 pixels added on 2011-02-23198 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview