#class_Bacillariophyceae__Bacillariophyceae__Diatomophyceae__class_Diatomophyceae  marine and freshwater eukaryotic algae: diatoms
  supertype:  class__clas  (biology) a taxonomic group containing one or more orders
  member of:  division_Chrysophyta
  member:  diatom  microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica

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