protoctista
English Thesaurus
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 (noun.animal)
| hypernym | : | kingdom, |
| definition | : | the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia (noun.group) |
| member holonym | : | protoctist order, |
| definition | : | the order of protoctists (noun.animal) |
| member holonym | : | protoctist, |
| definition | : | any of the unicellular protists (noun.animal) |
| member holonym | : | division protista, protista, |
| definition | : | eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae (noun.animal) |
| member holonym | : | protoctist family, |
| definition | : | any of the families of Protoctista (noun.animal) |
| member holonym | : | protoctist genus, |
| definition | : | any genus of Protoctista (noun.animal) |
| member holonym | : | phylum protozoa, protozoa, |
| definition | : | in some classifications considered a superphylum or a subkingdom; comprises flagellates; ciliates; sporozoans; amoebas; foraminifers (noun.animal) |
| member holonym | : | division heterokontophyta, heterokontophyta, |
| definition | : | algae having chlorophyll a and usually c, and flagella of unequal lengths; terminology supersedes Chrysophyta in some classifications (noun.animal) |
| member holonym | : | chrysophyta, division chrysophyta, |
| definition | : | 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and golden-brown algae and diatoms: Xanthophyceae, Chrysophyceae, Bacillariophyceae; some classification systems superseded or subsumed by Heterokontophyta (noun.animal) |
| member holonym | : | chlorophyta, division chlorophyta, |
| definition | : | 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 (noun.animal) |
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