#family_Peridiniidae__Peridiniidae  marine and freshwater dinoflagellates
  supertype:  protoctist_family  any of the families of Protoctista
  member of:  order_Dinoflagellata
  member:  genus_Peridinium__Peridinium  type genus of the family Peridiniidae
  member:  peridinian  flagellate with a thick test composed of plates

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