Vertebrate - animal

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Knowledge Basic Info

Knowledge Author
Malcolm T. Jollie
Author Description
Professor of Biological Sciences, Northern Illinois University, De Kalb, 1965–88. Author of Chordate Morphology.

Vertebrate, also called Craniata, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. They have backbones, from which they derive their name. The vertebrates are also characterized by a muscular system consisting primarily of bilaterally paired masses and a central nervous system partly enclosed within the backbone.

The subphylum is one of the best known of all groups of animals. Its members include the classes Agnatha, Chondrichthyes, and Osteichthyes (all fishes); Amphibia (amphibians); Reptilia (reptiles); Aves (birds); and Mammalia (mammals).

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