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Tetrapoda

A Dictionary of Biology | 2004 | Copyright

Tetrapoda In some classifications, a superclass of jawed chordates (Gnathostomata) comprising all vertebrate animals with four limbs, i.e. the amphibians, reptiles, birds, and mammals. The skeleton of the limbs of all tetrapods is based on the same five-digit pattern (see pentadactyl limb).

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Tetrapoda

A Dictionary of Zoology | 1999 | | Copyright

Tetrapoda An informal grouping that includes the vertebrate animals which have four limbs; i.e. the Amphibia, Reptilia, Aves, and Mammalia.

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MICHAEL ALLABY. "Tetrapoda." A Dictionary of Zoology. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Tetrapoda." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O8-Tetrapoda.html

MICHAEL ALLABY. "Tetrapoda." A Dictionary of Zoology. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Tetrapoda.html

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Tetrapoda

A Dictionary of Earth Sciences | 1999 | | Copyright

Tetrapoda Vertebrate animals which have four limbs, including the Amphibia, Reptilia, Aves, and Mammalia.

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AILSA ALLABY and MICHAEL ALLABY. "Tetrapoda." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Tetrapoda." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-Tetrapoda.html

AILSA ALLABY and MICHAEL ALLABY. "Tetrapoda." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Tetrapoda.html

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