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Flora and Fauna
Open Directory - Science: Biology: Flora and Fauna: Animalia: Chordata
Science: Biology: Zoology: Chordates
Science: Earth Sciences: Paleontology: Vertebrates
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- Overview of the taxonomy of Phylum Chordata, which includes the well-known vertebrates (fishes, amphibians, reptiles, birds, mammals), hagfishes, tunicates, and lancelets.
Database of Vertebrates and Centres of Vertebrate Diversity in Mozambique
- The Database includes almost 3500 vertebrate species, taxonomic information, English, Portuguese and vernacular names, conservation status and numerous maps illustrating biodiversity hotspots and locations of endemic species.
North American Wildlife
- Includes photographs and information on a wide range of mammals and reptiles from Canada, the United States and Mexico. Includes fact sheets and distribution maps.
- 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.
Phylum Hemichordata, Urochordata and Cephalochordata
- Illustrated description of these three phyla, and the three classes within Urochordata. Also information on the larval stages, when they form part of the plankton. [PDF]
- What makes a vertebrate a vertebrate? They have more in common than a backbone. Find out more from the Animal Diversity Web.
Tree of Life: Gnathostomata
- Philippe Janvier's article about this clade which differs from all other vertebrates in having a vertically biting device, the jaws.
- Introduction to the vertebrates and their classification, including the Hyperoartia, or lampreys, and the Gnathostomata, or jawed vertebrates.
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