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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Heterocentrotus mamillatus (aboral)
Heterocentrotus mamillatus (aboral)
Description Close-up of aboral side: The upper part of the ambulacrum (A) is set with very small primary tubercles. These increase abruptly in size at the ambitus.
Width 49 mm, height 25 mm; Negros, Philippines.
Author Schultz, Heinke JPG file - 99.48 kB - 956 x 637 pixels added on 2005-02-23273 viewsFrom reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha... © 2005 Schultz, Heinke
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