Data PolicyPublications | Persons | Institutes | Projects IMIS Photogallery » References Peronella macroproctes (aboral + oral) Description Left: Aboral side. Right: Oral side: The periproct is almost as large as the peristome.Length 26 mm. Author Koehler, RenĂ© JPG file - 142.83 kB - 945 x 529 pixels added on 2009-02-23201 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Koehler, RenĂ© Click here to return to the thumbnails overview