Diadematoida
From Infogalactic: the planetary knowledge core
Diadematoida |
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File:Diademseeigel.jpg | |
Diadema setosum | |
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Diadematoida
Duncan, 1889
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(See Text) |
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Diadematoida is an order of sea urchins. They are distinguished from other sea urchins by the fact that their spines are hollow, or at best have an open mesh at the core, and by the presence of ten buccal plates around the mouth. Their test can be either solid or flexible.
Taxonomy
According to ITIS :
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According to World Register of Marine Species :
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References
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