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Prionocidaris bispinosa (oral)
Description Oral side: The short spines at the ambitus are obviously newly regenerated, the long older ones are heavyly overgrown by calcareous algae, and the thorns are already eroded.Diameter of test 43 mm, longest spine 45 mm; Singapore.
ZMH JPG file - 302.59 kB - 1 189 x 1 309 pixels added on 2005-02-23331 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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