Individual #Tertiary_period__Tertiary  from 2 million to 63 million years ago
  part:  #Pliocene_epoch  #Miocene_epoch  #Oligocene_epoch  #Eocene_epoch  #Paleocene_epoch
  part of:  #Cenozoic_era
  type:  #geological_period__period  a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"

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