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Choanichthyes
Choanichthyes (Sarcopterygii) The name given by some zoologists to a group (subclass) comprising the Crossopterygii (lobe-finned fish) and Dipneusti (lungfish). Members of this group were thought to share functional lungs, external and internal nares (choanae), and narrow-based, paired fins with fleshy lobes.
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MICHAEL ALLABY. "Choanichthyes." A Dictionary of Zoology. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "Choanichthyes." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O8-Choanichthyes.html MICHAEL ALLABY. "Choanichthyes." A Dictionary of Zoology. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Choanichthyes.html |
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Choanichthyes
Choanichthyes (Sarcopterygii) Term used by some zoologists to group together Crossopterygii (lobe-finned fish) and Dipnoi (lungfish). Members of this group or subclass were thought to share functional lungs, external and internal nares (nostrils), and narrow-based, paired fins with fleshy lobes.
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Cite this article
AILSA ALLABY and MICHAEL ALLABY. "Choanichthyes." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 30 May. 2012 <http://www.encyclopedia.com>. AILSA ALLABY and MICHAEL ALLABY. "Choanichthyes." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 30, 2012). http://www.encyclopedia.com/doc/1O13-Choanichthyes.html AILSA ALLABY and MICHAEL ALLABY. "Choanichthyes." A Dictionary of Earth Sciences. 1999. Retrieved May 30, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Choanichthyes.html |
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