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Animalia:
Chordata:
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Category Description:
Chordata, a phylum in the Kingdom Animalia, is populated by animals that, at some stage, develop a hollow dorsal nerve cord, pharyngeal slits, and a muscular tail extending past the anus.
Amphibia
Aves
Fish
Mammalia
Reptilia
Urochordata
Animal Diversity Web Phylum Chordata
- Presents the differentiating characteristics of the members of the phylum.
Animal Genome Size Database: Chordates
- Details information on members of the phylum that do not have a spinal cord.
Characteristics of Chordates
- Lists the unique features of members of the phylum that it shares with what is believed to be its ancestors.
Chordate
- Features the unique characteristics of the members of the phylum. With links to classes and subgroups.
Chordates
- Relates phylum characteristics and information on subphyla.
Chordates
- Offers a short lecture on the general characteristics and subdivisions of the phylum.
Chordates From Tunicates to Humans
- Describes the common features of the members of the phylum as well as its major divisions. With links to subgroups.
Encyclopedia.com: Chordata
- Offers definitions, related topics, newspaper and magazine articles, and videos.
Geologic Ranges: Primitive Chordates
- Cretaceous Fossils charts the existence of various representatives of the phylum through various eras.
Introduction to the Chordata
- Offers information on the phylum that includes humans and all the vertebrates. Includes distinguishing features.
Introduction to the Vertebrates
- Presents the unique characteristics of the animals with backbones. With links to related sites.
Marine Fauna Gallery of Norway Chordates
- Presents images of saltwater representatives of the phylum.
Mikko's Phylogeny Archive Main Group of Chordates
- Presents the major subdivisions of the phylum. Includes references.
Paleontology Portal: Hemichordates and Chordates
- Contains characteristics, earliest fossil occurrence, and access to images of fossil specimens from various eras.
Phanerozoic Aeon 570 MYA-Present Development of Chordates Up to the Vertebrates
- Presents a discussion on animal evolution throughout the eleven periods in this particular eon.
Reptiles and Amphibians
- Shows pictures and links.
Reptiles and Amphibians
- Lists web sites with short descriptions. With photos.
Reptiles and Amphibians in French
- Shows pictures and links.
Ryan Photographic Chordates
- Provides access to a collection of images of members of the phylum.
Science News Chordates and Vertebrates
- Provides links to articles on members of the phylum.
Shape of Life Phylum Chordata
- Provides information on the group that includes the birds, mammals, reptiles, amphibians and fishes. With links to related sites.
Smithsonian National Zoological Park Reptiles and Amphibians
- Discusses member species and population. With pictures, links and related events.
South Carolina Reptiles and Amphibians
- Provides pictures and links to species in other areas of the globe.
Tree of Life Chordata
- Describes the group that includes the mammals, fishes, amphibians, reptiles and birds.
Vertebrate Evolution and Diversity
- Presents a course outline for teaching the subject. With links to related sites and images.
Will's Skull Page
- Offers access to images of skulls from mammals, reptiles and birds. With descriptions and measurements.
Zoobotanica Chordates
- Offers scientific illustrations of members of the phylum.
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