#family_Euglenaceae__Euglenaceae  considered green algae
  supertype:  #protoctist_family  any of the families of Protoctista
  member of:  #class_Euglenophyceae
  member:  #genus_Euglena  type genus of the family Euglenaceae: green algae with a single flagellum
     member:  #euglena  minute single-celled green freshwater organism having a single flagella; often classed as algae

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