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Echinodermata (echinoderms)
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Echinoidea (sea urchins)
Peronella orbicularis (apical)
Description
Apical system: The terminal plates with small pores are incorporated into the monobasal madreporite. There are four gonopores. The hydropres are scattered over the madreporite. (The small tubercles covering the whole plate are only drawn at the lower part for clarity).
Scale 2 mm.
Author
Mortensen, Theodor
JPG file
- 69.88 kB
- 945 x 1 006 pixels
added on 2005-02-23
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Echinoidea taxa
Scan of drawing
Peronella orbicularis
(Leske, 1778)
checked Kroh, Andreas 2021-02-24
From reference
Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
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© 2005 Mortensen, Theodor
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