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"Archaeopteryx; bird or reptile, or both?"

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Chiroptera
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Message 7 of 34 (195709)
03-31-2005 10:17 AM

Actually, if I recall correctly, Aves is defined (in cladistics) to be the common ancestor of any modern bird and Archaeopterix, and all the descendents of that common ancestor. So Archaeopterix is bird, but mainly because the definition of bird has been consciously made to include it.
  
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