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Arachnoides tenuis (oral)
Arachnoides tenuis (oral)
Description Oral 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. Author van Noordenburg, Henk JPG file - 199.25 kB - 1 069 x 1 083 pixels added on 2005-02-23394 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 van Noordenburg, Henk
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