Metazoa

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Metazoa

The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

Metazoa , 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

A Dictionary of Earth Sciences | 1999 | | © A Dictionary of Earth Sciences 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

Metazoa See ANIMALIA.

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AILSA ALLABY and MICHAEL ALLABY. "Metazoa." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 10 Jul. 2009 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Metazoa." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (July 10, 2009). http://www.encyclopedia.com/doc/1O13-Metazoa.html

AILSA ALLABY and MICHAEL ALLABY. "Metazoa." A Dictionary of Earth Sciences. 1999. Retrieved July 10, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Metazoa.html

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Craniata

A Dictionary of Zoology | 1999 | | © A Dictionary of Zoology 1999, originally published by Oxford University Press 1999. (Hide copyright information) Copyright

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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