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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Paraphormosoma alternans (ambulacral plates + apical system)
Paraphormosoma alternans (ambulacral plates + apical system)
Description a. Ambulacral plates on the aboral side: The primary plates in each triplet are occluded from the outer suture, the demiplates being continuous, b. Ambulacral plates on the oral side, c. Part of apical system.
b. Scale 4 mm, c. Scale 3 mm.
Author Mortensen, Theodor JPG file - 119.32 kB - 1 654 x 531 pixels added on 2011-02-23186 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor
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