#family_Euglenaceae__Euglenaceae  considered green algae
  supertype:  #protoctist_family  any of the families of Protoctista
  member:  #genus_Euglena
  member of:  #class_Euglenophyceae__Euglenophyceae  coextensive with the division Euglenophyta
     member of:  #division_Euglenophyta__Euglenophyta  free-swimming flagellate algae
        member of:  #kingdom_Protoctista__Protoctista  in most modern classifications, replacement for the Protista; includes: Protozoa; Euglenophyta; Chlorophyta; Cryptophyta; Heterokontophyta; Rhodophyta; unicellular protists and their descendant multicellular organisms: regarded as distinct from plants and animals

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