Sea urchin

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Revision as of 01:46, 21 March 2012 by Doug86 (talk | contribs) (moved Sea Urchin to Sea urchin)

Sea Urchins were marine-dwelling organisms native to and common on Earth.

The Eleventh Doctor compared the House entity from the Bubble universe to a Sea Urchin, stating that it had a tough outer shell protecting a soft interior. (DW: The Doctor's Wife)

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