#family_Oscillatoriaceae__Oscillatoriaceae  blue green algae
  supertype:  #bacteria_family  a family of bacteria
  member of:  #class_Cyanobacteria
  member:  #genus_Trichodesmium  a genus of blue-green algae
     member:  #trichodesmium  large colonial bacterium common in tropical open-ocean waters; important in carbon and nitrogen fixation

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