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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Hesperocidaris panamensis (ambularal plates, apical disc and spine cross section)
Hesperocidaris panamensis (ambularal plates, apical disc and spine cross section)
Description a. Part of transverse section of primary spine: The furrows between the ridges are filled with a thick coat of cortical hair. b. Part of ambulacrum. c. Part of apical system.
a. Scale 250 µ, b. Scale 2 mm, c. Scale 4 mm.
Author Mortensen, Theodor JPG file - 92.87 kB - 1 476 x 319 pixels added on 2011-02-23179 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Mortensen, Theodor
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