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Echinodermata (echinoderms)
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Echinoidea (sea urchins)
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 2011-02-23
210 views
Echinoidea taxa
Digital photo, part of species
Sperosoma biseriatum
Döderlein, 1901
checked Kroh, Andreas 2021-02-24
From reference
Schultz, H. (2011). Sea urchins III: Worldwide regular de...
© 2011 Schultz, Heinke
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