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PROTOCTISTA
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
In most modern classifications, replacement for the Protista; includes: Protozoa; Euglenophyta; Chlorophyta; Cryptophyta; Heterokontophyta; Rhodophyta; unicellular protists and their descendant multicellular organisms: regarded as distinct from plants and animals
Synonyms:
kingdom Protoctista; Protoctista
Classified under:
Hypernyms ("Protoctista" is a kind of...):
kingdom (the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia)
Meronyms (members of "Protoctista"):
protoctist order (the order of protoctists)
protoctist (any of the unicellular protists)
division Protista; Protista (eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae)
protoctist family (any of the families of Protoctista)
protoctist genus (any genus of Protoctista)
phylum Protozoa; Protozoa (in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers)
division Heterokontophyta; Heterokontophyta (algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications)
Chrysophyta; division Chrysophyta (mostly freshwater eukaryotic algae having the chlorophyll masked by brown or yellow pigment; yellow-green and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta)
division Euglenophyta; Euglenophyta (free-swimming flagellate algae)
Chlorophyta; division Chlorophyta (large division of chiefly freshwater eukaryotic algae that possess chlorophyll a and b, store food as starch, and cellulose cell walls; classes Chlorophyceae, Ulvophyceae, and Charophyceae; obviously ancestral to land plants)
division Rhodophyta; Rhodophyta (lower plants; mostly marine and littoral eukaryotic algae)
Cryptophyta; phylum Cryptophyta (a phylum in the kingdom Protoctista)