#protoctist  any of the unicellular protists
  supertype:  microorganism  any organism (animal or plant) of microscopic size
  member of:  kingdom_Protoctista
  subtype:  protozoan__protozoon  any of diverse minute acellular or unicellular organisms usually nonphotosynthetic
     subtype:  sarcodinian__sarcodine  protozoa that move and capture food by forming pseudopods
        subtype:  actinopod  protozoa having stiff rodlike radiating pseudopods
           subtype:  heliozoan  protozoa with spherical bodies and stiff radiating pseudopods
           subtype:  radiolarian  protozoa with amoeba-like bodies and radiating filamentous pseudopods
     subtype:  rhizopod__rhizopodan  protozoa characterized by a pseudopod
        subtype:  ameba__amoeba  naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion
           subtype:  endameba  any ameba of the genus Endamoeba
              subtype:  Endamoeba_histolytica  the parasitic ameba that causes amebic dysentery in human beings
        subtype:  foram__foraminifer  marine microorganism having a calcareous shell with openings where pseudopods protrude
           subtype:  globigerina  marine protozoan having a rounded shell with spiny processes
           subtype:  nummulite  large fossil protozoan of the Tertiary period
        subtype:  testacean  any of various rhizopods of the order Testacea characterized by having a shell
     subtype:  arcella  an amoeba-like protozoan with a chitinous shell resembling an umbrella
     subtype:  difflugia  a protozoan with an ovoid shell of cemented sand grains
     subtype:  ciliate__ciliated_protozoan__ciliophoran  a protozoan with a microscopic appendage extending from the surface of the cell
        subtype:  infusorian  any member of the subclass Infusoria
        subtype:  paramecium__paramecia  any member of the genus Paramecium
        subtype:  tetrahymena  relative of the paramecium; often used in genetics research
        subtype:  stentor  any member of the genus Stentor
        subtype:  vorticella  protozoa having a transparent goblet-shaped body with a retractile stalk
     subtype:  euglena  minute single-celled green freshwater organism having a single flagella; often classed as algae
     subtype:  flagellate_protozoan__flagellate__flagellated_protozoan__flagellatedprotozoan__mastigophoran__mastigophore  usually nonphotosynthetic free-living protozoan with whiplike appendages; some pathogens of humans and other animals
        subtype:  dinoflagellate  chiefly marine protozoa having two flagella; a chief constituent of plankton
           subtype:  noctiluca__Noctiluca_miliaris  large bioluminescent marine protozoan
           subtype:  peridinian  flagellate with a thick test composed of plates
        subtype:  genus_Leishmania__Leishmania  flagellate protozoan that causes leishmaniasis
        subtype:  zoomastigote__zooflagellate  flagellate protozoan lacking photosynthesis and other plant-like characteristics
        subtype:  hypermastigote  flagellate symbiotic in the intestines of e.g. termites
        subtype:  polymastigote  flagellates with several flagella
        subtype:  costia__Costia_necatrix  a flagellate that is the cause of the frequently fatal fish disease costiasis
        subtype:  giardia  a suspected cause of diarrhea in humans
        subtype:  trichomonad  cause of trichomoniasis in women and cattle and birds
     subtype:  plantlike_flagellate__plantlikeflagellate  unicellular organisms having many characteristics of typical algae
     subtype:  sporozoan  parasitic spore-forming protozoan
        subtype:  sporozoite  one of the minute active bodies into which sporozoans divide in one stage of their life cycle
        subtype:  trophozoite  a sporozoan in the active feeding stage of its life cycle
        subtype:  merozoite  a cell that arises from the asexual division of a parent sporozoan during its life cycle
        subtype:  coccidium__eimeria  parasitic on the digestive epithelium of vertebrates and higher invertebrates
        subtype:  gregarine  vermiform protozoans parasitic in insects and other invertebrates
        subtype:  haemosporidian  minute protozoans parasitic at some stage of the life cycle in blood cells of vertebrates including many pathogens
        subtype:  Plasmodium_vivax__plasmodium__malaria_parasite__malariaparasite  parasitic protozoan of the genus Plasmodium that causes malaria in humans
        subtype:  haemoproteid  related to malaria parasite and having a phase in the viscera of various birds
        subtype:  leucocytozoan__leucocytozoon  parasitic in birds
        subtype:  piroplasm  minute parasite of red blood cells of mammals transmitted by a tick and causing diseases of domestic animals
        subtype:  sarcosporidian__sarcocystidean__sarcocystieian  parasite of the muscles of vertebrates
        subtype:  haplosporidian  parasite in invertebrates and lower vertebrates of no known economic importance
        subtype:  actinomyxidian  parasites of worms
        subtype:  microsporidian  parasite of arthropods and fishes that invade and destroy host cells
        subtype:  myxosporidian  mostly parasitic in fishes and including various serious pathogens
  subtype:  alga__algae  primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
     subtype:  seaweed  plant growing in the sea, especially marine algae
        subtype:  arame  an edilbe seaweed with a mild flavor
        subtype:  wrack  dried seaweed especially that cast ashore
        subtype:  seagrass  any of various seaweeds that grow underwater in shallow beds
        subtype:  sea_wrack__seawrack__wrack  growth of marine vegetation especially of the large forms such as rockweeds and kelp
        subtype:  sea_tang__seatang__tang  any of various coarse seaweeds
     subtype:  golden_algae  algae having the pigments chlorophyll and carotene and xanthophyll
     subtype:  yellow-green_algae  any alga of the division Chrysophyta with its chlorophyll masked by yellow pigment
        subtype:  conferva  any of various algae of the genus Tribonema; algae with branching filaments that form scum in still or stagnant fresh water
     subtype:  diatom  microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica
     subtype:  confervoid_algae  algae resembling confervae especially in having branching filaments
     subtype:  brown_algae__brownalgae  algae having the chlorophyll masked by brown and yellow pigments
        subtype:  kelp  large brown seaweeds having fluted leathery fronds
           subtype:  sea_tangle__seatangle__tang  any of various kelps especially of the genus Laminaria
        subtype:  fucoid_algae__fucoid  any of various algae of the family Fucaceae
        subtype:  rockweed  coarse brown seaweed growing on rocks exposed at low tide
           subtype:  fucus__fucu  any member of the genus Fucus
           subtype:  black_rockweed__blackrockweed__bladderwrack__bladder_fucus__bladderfucu__tang__Fucus_vesiculosus  common black rockweed used in preparing kelp and as manure
           subtype:  bladderwrack__Ascophyllum_nodosum  similar to and found with black rockweed
        subtype:  serrated_wrack__Fucus_serratus__tang  brown algae seaweed with serrated edges
        subtype:  gulfweed__sargassum__sargasso__Sargassum_bacciferum  brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea
     subtype:  euglenoid__euglenophyte__euglenid  marine and freshwater green or colorless flagellate organism
     subtype:  green_algae__greenalgae__chlorophyte  algae that are clear green in color; often growing on wet ricks or damp wood or the surface of stagnant water
        subtype:  sea_lettuce__sealettuce__laver  seaweed with edible translucent crinkly green fronds
        subtype:  pond_scum  free-floating freshwater green algae
        subtype:  spirogyra  freshwater algae consisting of minute filaments containing spiral chlorophyll bands
        subtype:  stonewort  any of various submerged aquatic algae of the genus Chara having nodes with whorled filamentlike branches; usually encrusted with calcium carbonate deposits
        subtype:  desmid  freshwater green algae
     subtype:  chlorella  any alga of the genus Chlorella
     subtype:  red_algae__redalgae  marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan
        subtype:  sea_moss  any of various red algae having graceful rose to purple fronds (e.g. dulse or carrageen)
        subtype:  Irish_moss__carrageen__carageen__carragheen__Chondrus_crispus  dark purple edible seaweed of the Atlantic coasts of Europe and North America
        subtype:  dulse__Rhodymenia_palmata  coarse edible red seaweed
        subtype:  red_laver__redlaver__laver  edible red seaweeds
     subtype:  cryptomonad__cryptophyte  common in fresh and salt water appearing along the shore as algal blooms

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