protoctist genus

Definitions of protoctist genus
  1. noun
    any genus of Protoctista
    see moresee less
    show 42 types...
    hide 42 types...
    genus Amoeba
    protozoan inhabiting moist soils or bottom vegetation in fresh or salt water
    Endamoeba, genus Endamoeba
    the type genus of the family Endamoebidae
    genus Globigerina
    type genus of the family Globigerinidae
    genus Arcella
    type genus of the Arcellidae
    genus Difflugia
    genus of protozoans related to ameba
    genus Paramecium
    freshwater ciliate with an oval body and long deep oral groove
    genus Tetrahymena
    protozoa having four membranous ciliary organelles
    genus Stentor
    trumpet-shaped protozoa with a ciliated spiral feeding funnel
    genus Vorticella
    ciliated protozoans that have a goblet-shaped body with a retractile stalk
    Tribonema, genus Conferva, genus Tribonema
    type genus of Tribonemaceae
    Laminaria, genus Laminaria
    type genus of the family Laminariaceae: perennial brown kelps
    genus Fucus
    type genus of the family Fucaceae: cartilaginous brown algae
    Ascophyllum, genus Ascophyllum
    brown algae distinguished by compressed or inflated branchlets along the axis
    genus Sargassum
    a genus of protoctist
    genus Euglena
    type genus of the family Euglenaceae: green algae with a single flagellum
    Ulva, genus Ulva
    type genus of the family Ulvaceae; green seaweed having a thallus two cells thick: sea lettuce
    Volvox, genus Volvox
    type genus of the Volvocaceae; minute pale green flagellates occurring in tiny spherical colonies; minute flagella rotate the colony about an axis
    Chlamydomonas, genus Chlamydomonas
    type genus of the Chlamydomonadaceae; solitary doubly-flagellated plant-like algae common in fresh water and damp soil; multiply freely; often a pest around filtration plants
    Zygnema, genus Zygnema
    type genus of the family Zygnemataceae
    genus Spirogyra
    a genus of protoctist
    Chlorococcum, genus Chlorococcum
    type genus of Chlorococcales; unicellular green algae occurring singly or in a layer on soil or damp rock
    genus Chlorella
    nonmotile unicellular green algae potentially important as source of high-grade protein and B-complex vitamins
    Oedogonium, genus Oedogonium
    type genus of Oedogoniaceae; freshwater green algae having long unbranched filaments; usually free-floating when mature
    Chara, genus Chara
    green algae common in freshwater lakes of limestone districts
    Nitella, genus Nitella
    fragile branching stoneworts
    Desmidium, genus Desmidium
    a genus of protoctist
    Chondrus, genus Chondrus
    a genus of protoctist
    Rhodymenia, genus Rhodymenia
    type genus of the family Rhodymeniaceae
    Porphyra, genus Porphyra
    a genus of protoctist
    genus Noctiluca
    a genus of protoctist
    Peridinium, genus Peridinium
    type genus of the family Peridiniidae
    genus Costia
    a genus of flagellate protoctist
    genus Giardia
    flagellates parasitic in intestines of vertebrates
    Chilomastix, genus Chilomastix
    flagellates parasitic in intestines of vertebrates including humans
    Hexamita, genus Hexamita
    flagellates free-living or parasitic in intestines of birds
    genus Trichomonas
    flagellates parasitic in alimentary or genitourinary tracts of vertebrates and invertebrates including humans
    genus Eimeria
    type genus of the family Eimeriidae; includes serious pathogens
    genus Plasmodium
    type genus of the family Plasmodiidae
    Haemoproteus, genus Haemoproteus
    type genus of the family Haemoproteidae
    genus Leucocytozoan, genus Leucocytozoon
    a genus of protoctist
    genus Babesia, genus Piroplasma
    type genus of the family Babesiidae
    Sarcocystis, genus Sarcocystis
    chief genus of the order Sarcosporidia
    type of:
    (biology) taxonomic group containing one or more species
Word Family

Test prep from the experts

Boost your test score with programs developed by’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.


  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week


  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week


  • Number of words: 700+
  • Duration: 10 weeks
  • Time: 1 hour / week