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Sub-Categories in Chordata

Amphibia (98) Aves (1279) Fish (152)

Mammalia (1193) Reptilia (225) Urochordata (4)

Web Sites in Category Chordata

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

Gnathostomata - Philippe Janvier's article about the jawed vertebrates in the Tree of Life website.

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.

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.

Vertebrata - Introduction to the vertebrates and their classification, including the Hyperoartia, or lampreys, and the Gnathostomata, or jawed vertebrates.

Related Categories:

Science > Biology > Zoology > Chordates
Science > Earth Sciences > Paleontology > Vertebrates

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