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Topic: Agnatha


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  Florida Museum of Natural History Ichthyology Department
The second class is the Actinopterygii and contains fish such as gars, sturgeons, bowfins, and the very large group of fishes known as the telelosts.
The bony fish differ from the Agnatha because they have jaws.
The bony fish differ from the Chondrichthyes because the bony fish have skeletons made of bone.
www.flmnh.ufl.edu /fish/Education/GroupsFish/FishGroups.htm   (792 words)

  
  Agnatha Summary
Agnatha (Greek, "no jaws") is a paraphyletic superclass of jawless fish in the phylum Chordata, subphylum Vertebrata.
In addition to the absence of jaws, Agnatha are characterised by absence of paired fins; the presence of a notochord both in larvae and adults; and seven or more paired gill pouches.
Although a minor element of modern marine fauna, Agnatha were prominent among the early fish in the early Paleozoic.
www.bookrags.com /Agnatha   (819 words)

  
  Agnatha - Biocrawler   (Site not responding. Last check: )
Agnatha (Greek, "no jaws") is a superclass of jawless fish in the phylum Chordata, subphylum Vertebrata.
In addition to the absence of jaws, Agnatha are characterised by absence of paired fins; the presence of a notochord both in larvae and adults; and seven or more paired gill pouches.
Although a minor element of modern marine fauna, Agnatha were prominent among the early fish in the early Paleozoic.
www.biocrawler.com /encyclopedia/Agnatha   (391 words)

  
 Agnatha Class
The Agnatha class is in the Chordata phylum.
The two main types of fish in the Agnatha class are lamprey and hagfish.
The word Agnatha comes from the Greek word, meaning "not" and gnathos meaning "jaw."
www.fcps.edu /westspringfieldhs/academic/science/1project/zoo00/zoo00/zoopis/agnatha.shtml   (133 words)

  
 Definition of agnatha - Merriam-Webster Online Dictionary
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www.m-w.com /dictionary/agnatha   (38 words)

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