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cyclostome |
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cyclostome (sī`kləstōm'), jawless fish, member of the Cyclostomata, the only living order of the vertebrate class Agnatha (see Chordata Chordata (kôrdā`tə,–dä`–) ..... Click the link for more information. ). This group includes the hagfish hagfish, primitive marine fish of the order Cyclostomata, or jawless fishes (see cyclostome ), of worldwide distribution in cold and temperate waters. Its rudimentary skeleton, of cartilage rather than bone, has a braincase, but no jaw. ..... Click the link for more information. and the lamprey. The name also applies to members of the order Cyclostomata of the invertebrate phylum Ectoprocta Ectoprocta (ĕk'təprŏk`tə), phylum of sessile, colonial aquatic animals (commonly known as moss animals or oryonzoans). ..... Click the link for more information. , class Gymnolaemata. 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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