Echinoidea image


Sperosoma biseriatum (aboral, close-up)
Sperosoma biseriatum (aboral, close-up)
Description Close-up of upper side. The large adapical demiplates are in broad contact with the outer suture, the adoral demiplates are small and occluded from both sides. The primary plate usually does not reach the outer suture, only exceptionally spreading over the whole area (see drawing)
Scale c. 10 mm. Author Schultz, Heinke JPG file - 140.34 kB - 827 x 606 pixels added on 2011-02-23162 viewsEchinoidea taxaDigital photo, part of species Sperosoma biseriatum Döderlein, 1901checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2011). Sea urchins III: Worldwide regular de... © 2011 Schultz, Heinke
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