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Saleniidae (ambulacral plates)
Description Ambulacral plates of Saleniids. Left: Salenocidaris (S. miliaris): Unigeminate plates (one shaded). Only near the peristome (below) occur a few bigeminate plates (lower shaded plate). Right: Bathysalenia (B. goesiana): In this more advanced genus the plates are bigminate = one tubercle per compound plate and two pore-pairs throughout (sample plates shaded).Left: Diameter of test 13 mm; Right: Diameter of test 10 mm. JPG file - 195.07 kB - 788 x 1 269 pixels added on 2011-02-231 238 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Agassiz, Alexander Click here to return to the thumbnails overview |
