#division_Chrysophyta__Chrysophyta  mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some some classification systems superseded or subsumed by Heterokontophyta
  supertype:  #division.biological_group  (biology) a group of organisms forming a subdivision of a larger category
  member of:  #kingdom_Protoctista
  member:  #golden_algae  algae having the pigments chlorophyll and carotene and xanthophyll
  member:  #yellow-green_algae  any alga of the division Chrysophyta with its chlorophyll masked by yellow pigment
  member:  #class_Chrysophyceae__Chrysophyceae__Heterokontae__class_Heterokontae  all the yellow-green algae having flagella of unequal length
  member:  #class_Xanthophyceae__Xanthophyceae  yellow-green algae
  member:  #class_Bacillariophyceae__Bacillariophyceae__Diatomophyceae__class_Diatomophyceae  marine and freshwater eukaryotic algae: diatoms
     member:  #diatom  microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
  member:  #order_Heterotrichales__Heterotrichales  yellow-green algae with simple or branching filaments; comprising the single family Tribonemaceae
     member:  #family_Tribonemaceae__Tribonemaceae  simple filamentous freshwater yellow-green algae
        member:  #genus_Tribonema__Tribonema__genus_Conferva  type genus of Tribonemaceae
           member:  #conferva  any of various algae of the genus Tribonema; algae with branching filaments that form scum in still or stagnant fresh water

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