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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins) » Clypeasteroids
Clypeaster rosaceus (cross-section)
Clypeaster rosaceus (cross-section)
Description Cross-section: lnternal view. The internal surface is more or less covered by calcereous skeleton supports forming pillars from the upper to the lower side, thin lamellae or needle-like structures like stalagmites and stalagtites. The arrangement of these processes may allow the grouping of this large, heterogeneous genus.
Scale 20 mm.
Author Mortensen, Theodor JPG file - 111.95 kB - 945 x 381 pixels added on 2009-02-23542 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Mortensen, Theodor
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