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 Anthocidaris crassispina (apical system) Description Apical system: The periproctal membrane is not totally covered by the plates. There are stem-like structures around the anal opening.Scale 2 mm.JPG file - 122.06 kB - 821 x 833 pixelsadded on 2005-02-23279 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...© 2005 Mortensen, Theodor Click here to return to the thumbnails overview |
