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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Strongylocentrotus franciscanus (aboral, close-up)
Strongylocentrotus franciscanus (aboral, close-up)
Description Close-up of aboral side: There are up to ten pore-pairs to each ambulacral plate, arranged in steep, sickle-shaped arcs. Scale 20 mm.
Diameter 132 mm; California, USA.
Author Schultz, Heinke JPG file - 216.68 kB - 973 x 669 pixels added on 2005-02-23238 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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