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Metazoa

Metazoa (mĕt´əzō´ə), subkingdom of the animal kingdom comprising the multicellular animals in the traditional two-kingdom system of taxonomic classification, in which living organisms were considered to be either plants or animals. Metazoa included all animals except the protozoans, formerly classified as in the phylum Protozoa but now classified in the kingdom Protista. The term is still used informally.

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"Metazoa." The Columbia Encyclopedia, 6th ed.. . Retrieved June 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/metazoa

Craniata

Craniata (Vertebrata; vertebrates; phylum Chordata) The subphylum of animals that have a bony or cartilaginous skull and a dorsal vertebral column. It includes the fish, amphibians, reptiles, birds, and mammals, which appear successively in the fossil record, starting in the Ordovician. See also BONE; and CARTILAGE.

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"Craniata." A Dictionary of Earth Sciences. . Encyclopedia.com. 26 Jun. 2017 <http://www.encyclopedia.com>.

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"Craniata." A Dictionary of Earth Sciences. . Retrieved June 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/craniata

Craniata

Craniata (kingdom Metazoa, phylum Chordata) The subphylum that comprises animals that have a bony or cartilaginous skull and a dorsal vertebral column. See also VERTEBRATA.

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"Craniata." A Dictionary of Zoology. . Encyclopedia.com. 26 Jun. 2017 <http://www.encyclopedia.com>.

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"Craniata." A Dictionary of Zoology. . Retrieved June 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/craniata-0

Craniata

Craniata See Chordata.

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"Craniata." A Dictionary of Biology. . Encyclopedia.com. 26 Jun. 2017 <http://www.encyclopedia.com>.

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"Craniata." A Dictionary of Biology. . Retrieved June 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/craniata-1

Metazoa

Metazoa See ANIMALIA.

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"Metazoa." A Dictionary of Earth Sciences. . Encyclopedia.com. 26 Jun. 2017 <http://www.encyclopedia.com>.

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"Metazoa." A Dictionary of Earth Sciences. . Retrieved June 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/metazoa

Metazoa

Metazoa See ANIMALIA.

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"Metazoa." A Dictionary of Zoology. . Encyclopedia.com. 26 Jun. 2017 <http://www.encyclopedia.com>.

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"Metazoa." A Dictionary of Zoology. . Retrieved June 26, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/metazoa-0