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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins) » Clypeasteroids
Arachnoides placenta (aboral)
Arachnoides placenta (aboral)
Description Aboral side: The food grooves lead along the ambulacral midlines to the margin and across the oral side to the central peristome. The naked furrow in the posterior interambulacrum is distinct.
Test length 61 mm; Lavina, Bali, Indonesia. Author Schultz, Heinke JPG file - 148.09 kB - 945 x 933 pixels added on 2005-02-23412 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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