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archeopteryx

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archeopteryx


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  archeopteryx 
  n  :  extinct  primitive  toothed  bird  of  the  Upper  Jurassic  having 
  a  long  feathered  tail  and  hollow  bones;  usually 
  considered  the  most  primitive  of  all  birds  [syn:  {archaeopteryx}, 
  {Archaeopteryx  lithographica}] 




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