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Arbacia stellata (aboral)
Arbacia stellata (aboral)
Description Aboral side: In shallow water this sea urchin has shorter and stouter spines, especially on the upper side. The interambulacral median areas are bordered by only a single series of spines.
Test diameter 39 mm; St. Elena, Ecuador.
ZMH Author Schultz, Heinke JPG file - 212.89 kB - 1 123 x 1 091 pixels added on 2005-02-23271 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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