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Parechinus angulosus (lateral)
Description The wormlike tube feet (podia) are arranged in two rows in each ambulacrum, protruding from the pore-pairs. Their thin wall function as a surface for gaseous exchange. Their distal end is developed as a sucking disc and contains sensory organs. The tubes of the podia are very extensible.Test diameter with spines 45 mm; Cape Town, South Africa. JPG file - 223.27 kB - 1 323 x 824 pixels added on 2005-02-23244 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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