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IMIS Photogallery
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Echinodermata (echinoderms)
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Echinoidea (sea urchins)
Anthocidaris crassispina (apical system)
Description
Apical system: The periproctal membrane is not totally covered by the plates. There are stem-like structures around the anal opening.
Scale 2 mm.
Author
Mortensen, Theodor
JPG file
- 122.06 kB
- 821 x 833 pixels
added on 2005-02-23
276 views
From reference
Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
© 2005 Mortensen, Theodor
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