Directory > Science > Biology > Flora and Fauna > Animalia > Chordata Chordata Overview of the taxonomy of Phylum Chordata, which includes the well-known vertebrates (fishes, amphibians, reptiles, birds, mammals), hagfishes, tunicates, and lancelets. http://tolweb.org/tree?group=Chordata&contgroup=Animals Reviews Rating: Not yet Rated
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Vertebrata Introduction to the vertebrates and their classification, including the Hyperoartia, or lampreys, and the Gnathostomata, or jawed vertebrates. http://tolweb.org/tree?group=Vertebrata&contgroup=Craniata Reviews Rating: Not yet Rated
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Vertebrate Phylogeny Cladograms with short articles and illustrations by Jack Conrad. http://www.geocities.com/CapeCanaveral/Hall/1636/ Reviews Rating: Not yet Rated
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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. http://animaldiversity.ummz.umich.edu/vertebrata.html Reviews Rating: Not yet Rated
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Gnathostomata Philippe Janvier's article about the jawed vertebrates in the Tree of Life website. http://ag.arizona.edu/ENTO/tree/eukaryotes/animals/chordata/gnathostomata.html Reviews Rating: Not yet Rated
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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. http://animaldiversity.ummz.umich.edu/chordata.html Reviews Rating: Not yet Rated
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