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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Irregularia (petals)
Irregularia (petals)
Description The inner pore is sub-circular, the outer one more or less elongated. The associated podia are long lobes with an extremely thin surface specialized for gaseous exchange.
Scale 5 mm. Author Schultz, Heinke JPG file - 284.28 kB - 763 x 1 147 pixels added on 2005-02-231 127 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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