#order_Fucales__Fucales  coextensive with the family Fucaceae
  supertype:  #animal_order  the order of animals
  member of:  #class_Phaeophyceae
  member:  #family_Fucaceae__Fucaceae  small family of brown algae: gulfweeds; rockweeds
     member:  #fucoid_algae__fucoid  any of various algae of the family Fucaceae
     member:  #rockweed  coarse brown seaweed growing on rocks exposed at low tide
     member:  #genus_Fucus  type genus of the family Fucaceae: cartilaginous brown algae
        member:  #fucus__fucu  any member of the genus Fucus
        member:  #serrated_wrack__Fucus_serratus__tang  brown algae seaweed with serrated edges
        member:  #black_rockweed__blackrockweed__bladderwrack__bladder_fucus__bladderfucu__tang__Fucus_vesiculosus  common black rockweed used in preparing kelp and as manure
     member:  #genus_Ascophyllum__Ascophyllum  brown algae distinguished by compressed or inflated branchlets along the axis
     member:  #genus_Sargassum  a genus of protoctista
        member:  #gulfweed__sargassum__sargasso__Sargassum_bacciferum  brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea
  member:  #fucoid  a fossilized cast or impression of algae of the order Fucales

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