PROTOCTISTA

Pronunciation (US):

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 Dictionary entry overview: What does Protoctista mean? 

• PROTOCTISTA (noun)
  The noun PROTOCTISTA has 1 sense:

1. 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

  Familiarity information: PROTOCTISTA used as a noun is very rare.

 Dictionary entry details 

• PROTOCTISTA (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

Classified under:

Nouns denoting animals

Synonyms:

kingdom Protoctista; Protoctista

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and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta)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)