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Arbacia spatuligera (oral)
Arbacia spatuligera (oral)
Description Oral side: The peristomial membrane has expanded over the "tags", which are associated with the buccal notches. The pore zones in the ambulacra are widened towards the peristome.
Diameter 38 mm, height 25 mm; Antofagasta, Chile.
ZMH Author Schultz, Heinke JPG file - 296.35 kB - 1 355 x 1 349 pixels added on 2005-02-23238 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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