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Agnatha |
Also found in: Wikipedia, Hutchinson | 0.06 sec. |
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Agnatha [′ag·nə′thə] (vertebrate zoology) The most primitive class of vertebrates, characterized by the lack of true jaws. 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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| nbsp;name for several primitive marine and freshwater fishes of the order Cyclostomata, or jawless fishes (see cyclostome). nbsp;name for several primitive marine and freshwater fishes of the order Cyclostomata, or jawless fishes (see cyclostome). nbsp;primitive marine fish of the order Cyclostomata, or jawless fishes (see cyclostome), of worldwide distribution in cold and temperate waters. |
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