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cephalaspida

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cephalaspida


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  Cephalaspida 
  n  :  extinct  group  of  armored  fishlike  vertebrates;  taxonomy  is 
  not  clear  [syn:  {Osteostraci},  {suborder  Osteostraci},  {Cephalaspida}, 
  {suborder  Cephalaspida}] 




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