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ostracoderm |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.03 sec. |
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ostracoderm [′ä·strə·kō‚dərm] (paleontology) Any of various extinct jawless vertebrates covered with an external skeleton of bone which together with the Cyclostomata make up the class Agnatha. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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