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Strongylocentrotus droebachiensis (aboral)
Strongylocentrotus droebachiensis (aboral)
Description Aboral side: The spines are rather short, stout and of uniform size. It is likely that this specimen lived in a habitat with heavy water motion. In more sheltered water the spines are more slender, and the primaries distinctly longer than the secondaries.
Diameter with spines 56 mm; Bergen, Norway. Author Schultz, Heinke JPG file - 172.42 kB - 945 x 928 pixels added on 2005-02-23764 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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