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TopDir is a human edited web directory with various categories, a collection of hand-picked web resources for visitors

TopDir offers free website promotion for webmasters and website owners. Relevant search results and many categories for adding and promoting websites. Free web promotion for websites at TopDir directory. Submit your url for review. A collection of hand-picked web resources for visitors. This page is focused on one particular aspect of Science, Biology, Flora and Fauna, Animalia, Chordata.

Amphibia (278)
Aves (1,649)
Cephalochordata (9)
Fish (342)

Mammalia (1,414)
Reptilia (280)
Urochordata (21)

See also:

Science: Biology: Zoology: Chordates (370)
Science: Earth Sciences: Paleontology: Vertebrates (189)

This category in other languages:

Czech (27) German (167) Japanese (91)

http://tolweb.org/tree?group=Chordata&contgroup=Animals

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

http://www.fzi.uni-freiburg.de/VertebratesMOC/

» 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.

http://ag.arizona.edu/ENTO/tree/eukaryotes/animals/chordata/gnathostomata.html

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

» 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.

http://animaldiversity.ummz.umich.edu/chordata.html

» 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://www.mba.ac.uk/nmbl/publications/occpub/guide/section17.pdf

» 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]

http://animaldiversity.ummz.umich.edu/vertebrata.html

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

http://tolweb.org/tree?group=Vertebrata&contgroup=Craniata

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

TopDir is a human edited web directory with various categories. Our mission is to organize theme based websites and remove the clutter from the information. We strive to provide context based website results to our visitors. This directory is an evolving one and we regularly add new categories, if there is a necessity. Members can suggest new categories and websites for inclusion. This is one stop promotion site for webmasters and website owners. We invite you to browse the categories and suggest your website url for an editor review. This page is focused on one particular aspect of Science, Biology, Flora and Fauna, Animalia, Chordata.

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