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Echinosigra phiale (aboral)
Echinosigra phiale (aboral)
Description Aboral side. The apical system with the two gonopores is positioned at the extreme anterior edge. There is a distinct keel along the aboral and oral midline.
Length 40 mm; Bay of Biscay. Author Schultz, Heinke JPG file - 191.85 kB - 2 343 x 709 pixels added on 2009-02-23607 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Schultz, Heinke
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