| -- Sequencing confirms that sea urchins are more closely related to humans than fruit flies LiveScience | An article about sea-urchin parasites |
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| Who is this person Aristotle and what about this lantern? a flash about the anatomy of the sea urchin• Illustration of the musculature of an Aristotle's lantern | 2005 , Sea-Urchins, a guide to worldwide shallow water species |
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