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nounin 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
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Definition that contains protoctista
- kingdom the highest taxonomic group into which organisms are grouped; one of five biological categories: Monera or Protoctista or Plantae or Fungi or Animalia
- division gymnomycota slime molds; organisms having a noncellular and multinucleate creeping vegetative phase and a propagative spore-producing stage: comprises Myxomycetes and Acrasiomycetes; in some classifications placed in the kingdom Protoctista
- phylum cryptophyta a phylum in the kingdom Protoctista
- acrasiomycetes cellular slime molds; in some classifications placed in kingdom Protoctista
- division myxomycota slime molds; organisms having a noncellular and multinucleate creeping vegetative phase and a propagative spore-producing stage: comprises Myxomycetes and Acrasiomycetes; in some classifications placed in the kingdom Protoctista
- protoctist family any of the families of Protoctista
- class acrasiomycetes cellular slime molds; in some classifications placed in kingdom Protoctista
- gymnomycota slime molds; organisms having a noncellular and multinucleate creeping vegetative phase and a propagative spore-producing stage: comprises Myxomycetes and Acrasiomycetes; in some classifications placed in the kingdom Protoctista
- protoctist genus any genus of Protoctista
- cryptophyta a phylum in the kingdom Protoctista