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Coelopleurus undulatus (ambulacrum)
Description Ambulacrum on upper side. The areoles near the ambitus are enlarged and deformed leaving only a narrow space for the pore-pairs. They serve for fastening the muscles, which support the extremely long spines.Scale 1 mm. JPG file - 157.40 kB - 1 078 x 1 450 pixels added on 2005-02-23194 viewsWoRMS taxaScan of drawing Coelopleurus undulatus Mortensen, 1934checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... Download full size
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