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Top: Science: Biology: Flora_and_Fauna: Animalia: Chordata:

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    Open in a new Window   » Chordata - Overview of the taxonomy of Phylum Chordata, which includes the well-known vertebrates (fishes, amphibians, reptiles, birds, mammals), hagfishes, tunicates, and lancelets.

    Open in a new Window   » Gnathostomata - Philippe Janvier's article about the jawed vertebrates in the Tree of Life website.

    Open in a new Window   » Phylum Chordata - Brief introduction to the chordates, defined as organisms that possess a structure called a notochord, at least during some part of their development. Includes links to information about subgroups and representative animals.

    Open in a new Window   » Subphylum Vertebrata - What makes a vertebrate a vertebrate? They have more in common than a backbone. Find out more in this site from the Animal Diversity Web.

    Open in a new Window   » Vertebrata - Introduction to the vertebrates and their classification, including the Hyperoartia, or lampreys, and the Gnathostomata, or jawed vertebrates.


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