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Sperosoma tristichum (ambulacral plates)
Description Aboral plates of half an ambulacrum: Left: Plate pattern near the apical disc. Right: Plate pattern on distal aboral side. About midway to the ambitus the pattern changes, the broad adapical demiplate becomes smaller; distally it is as small as the adoral demiplate.Scale 4 mm. JPG file - 63.32 kB - 945 x 386 pixels added on 2011-02-23171 viewsFrom reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke Click here to return to the thumbnails overview |
