#protoctist_family  any of the families of Protoctista
  supertype:  #family  (biology) a taxonomic group containing one or more genera; "sharks belong to the fish family"
  member of:  #kingdom_Protoctista
  subtype:  #family_Globigerinidae__Globigerinidae  a family of protoctists
  subtype:  #family_Nummulitidae__Nummulitidae  a family of fossil protoctists
  subtype:  #family_Arcellidae__Arcellidae  soil an freshwater protozoa; cosmopolitan
  subtype:  #family_Tribonemaceae__Tribonemaceae  simple filamentous freshwater yellow-green algae
  subtype:  #family_Laminariaceae__Laminariaceae  large family of marine brown algae including many economically important large kelps chiefly of northern waters
  subtype:  #family_Fucaceae__Fucaceae  small family of brown algae: gulfweeds; rockweeds
  subtype:  #family_Euglenaceae__Euglenaceae  considered green algae
  subtype:  #family_Ulvaceae__Ulvaceae__sea-lettuce_family__sealettucefamily  thin flat or tubular green algae
  subtype:  #family_Volvocaceae__Volvocaceae  unicellular or colonial biflagellate free-swimming flagellates
  subtype:  #family_Chlamydomonadaceae__Chlamydomonadaceae  green algae some of which are colored red by hematochrome
  subtype:  #family_Zygnemataceae__Zygnemataceae  pond scums: common freshwater algae forming green slimy masses
  subtype:  #family_Oedogoniaceae__Oedogoniaceae  filamentous green algae
  subtype:  #family_Characeae__Characeae  green algae superficially resembling horsetail ferns: stoneworts
  subtype:  #family_Desmidiaceae__Desmidiaceae  unicellular algae
  subtype:  #family_Gigartinaceae__Gigartinaceae  a family of protoctista
  subtype:  #family_Rhodymeniaceae__Rhodymeniaceae  a family of protoctista
  subtype:  #family_Bangiaceae__Bangiaceae  a family of protoctista
  subtype:  #family_Peridiniidae__Peridiniidae  marine and freshwater dinoflagellates
  subtype:  #family_Eimeriidae__Eimeriidae  a family of protoctista in the order Coccidia
  subtype:  #family_Plasmodiidae__Plasmodiidae  malaria parasites
  subtype:  #family_Haemoproteidae__Haemoproteidae  bird parasites
  subtype:  #family_Babesiidae__Babesiidae  piroplasms and cattle pathogens

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