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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Phyllacanthus parvispinus (primary spine, transverse section)
Phyllacanthus parvispinus (primary spine, transverse section)
Description Part of transverse section of primary spine: There are more ridges on the shaft compared with P. dubius, the interspaces with the cortical meshwork being narrower.
Scale 500 µ.
Author Mortensen, Theodor JPG file - 41.81 kB - 507 x 234 pixels added on 2011-02-23170 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor
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