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Echinodermata (echinoderms)
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Echinoidea (sea urchins)
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Clypeasteroids
Ammotrophus cyclius (oral plating)
Description
Plates patterns of the oral side: The interambulacral columns (stippled) are discontinous between the single small plate in the ring next to the peristome, and the margin. The isolated distal plates are usually visible in denuded tests. a. Ammotrophus cyclius: The interambulacra are interuped by two enlarged ambulacral plates, continuing with four to six plates near the margin. the periproct lies on the oral side.
Scale 50 mm.
Author
Mooi, Rich
JPG file
- 165.22 kB
- 945 x 1 016 pixels
added on 2005-02-23
457 views
From reference
Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
© 2005 Mooi, Rich
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