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Arachnoides tenuis (aboral)
Description Aboral side: In contrast to Arachnoides placenta there is no marginal notch at the periproct and no naked furrow in the posterior interambulacrum on the oral side. The second ambulacral plates from the peristome are enlarged.Test length 28 mm; Broome, Western Australia. JPG file - 63.98 kB - 1 044 x 1 041 pixels added on 2005-02-23623 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 van Noordenburg, Henk Click here to return to the thumbnails overview |
