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Vertebrate
Temporal range:
Cambrian Stage 3Present,
Vertebrata 002.png
Example of vertebrates: Acipenser oxyrinchus (Actinopterygii), an African bush elephant (Tetrapoda), a Tiger shark (Chondrichthyes) and a River lamprey (Agnatha).
Scientific classification e
Kingdom:Animalia
Superphylum:Deuterostomia
Phylum:Chordata
Clade:Olfactores
Subphylum:Vertebrata
J-B. Lamarck, 1801
Infraphylums
Synonyms

Ossea Batsch, 1788

A vertebrate is an animal with a spinal cord surrounded by cartilage or bone. The word comes from vertebrae, the bones that make up the spine. Animals that are not vertebrates are called invertebrates. Vertebrates include birds, fish, amphibians, reptiles, and mammals. The parts of the vertebrate skeleton are:

  1. Braincase: A braincase or cranium protects the brain.
  2. Vertebrae: A series of short, stiff vertebrae are separated by joints. This internal backbone protects the spinal cord. The joints between the vertebrae let the backbone bend.
  3. Bones: support and protect the body's soft tissues and provides points for muscle attachment.
  4. Gill arches: Gill arches in the pharynx of fish and some amphibians support the gills. In the majority of vertebrates some of the arches have evolved into other organs, such as jaws.

Examples of vertebrates are mammals, birds, and fish. A few tens of thousands of species have been identified. The term "fish" is used to describe at least four different kinds of vertebrates.

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