WoRMS taxon details
Protozoa
5 (urn:lsid:marinespecies.org:taxname:5)
Owen, 1858
accepted
Kingdom
Biota
Flagellates · unaccepted (abandoned as taxonomic group)
- Subkingdom Eozoa
- Phylum Hemimastigophora
- Subkingdom Sarcomastigota
- Phylum Choanoflagellata accepted as Choanozoa (synonym)
- Phylum Chrysomonada accepted as Heterokontophyta
- Phylum Dinomastigota accepted as Dinophyta accepted as Dinophyceae
- Phylum Dinophyta accepted as Dinophyceae
- Phylum Discomitochondria (disused)
- Phylum Flagellates accepted as Protozoa (abandoned as taxonomic group)
- Phylum Granuloreticulosa accepted as Foraminifera (disused)
- Phylum Haptomonada accepted as Haptophyta
- Phylum Labyrinthulata accepted as Bigyra
- Phylum Myxospora accepted as Myxozoa
- Phylum Phaeophycota accepted as Phaeophyceae (synonym)
- Phylum Phaeophyta accepted as Phaeophyceae
- Phylum Rhizopoda (disused)
- Phylum Sarcomastigophora (disused)
- Subkingdom Stramenopila accepted as Chromista
- Subkingdom Protozoa incertae sedis (temporary name)
- Phylum Apusomonada (uncertain > unassessed)
marine, brackish, fresh, terrestrial
Not documented
Nomenclature The word 'Protoctista' had been introduced by English naturalist John Hoggs in 1861 to designate "all the lower creatures,...
Nomenclature With the segregation of a kingdom Chromista (see below) from the “Protista” or “Protoctista” (see Margulis &...
Nomenclature The word 'Protoctista' had been introduced by English naturalist John Hoggs in 1861 to designate "all the lower creatures, or the primary organic beings; -both Protophyta, .. Having more the nature of plants, and Protozoa.. Having rather the nature of animals.
In addition, the protoctist kingdom solves the problem of blurred boundaries that arises if the unicellular organisms are assigned to the intrinsically mulitcellular kingdoms. [details]
In addition, the protoctist kingdom solves the problem of blurred boundaries that arises if the unicellular organisms are assigned to the intrinsically mulitcellular kingdoms. [details]
Nomenclature With the segregation of a kingdom Chromista (see below) from the “Protista” or “Protoctista” (see Margulis &...
Nomenclature With the segregation of a kingdom Chromista (see below) from the “Protista” or “Protoctista” (see Margulis & Schwartz 1998), Protozoa is the most appropriate name for the balance of organisms remaining (Cavalier-Smith 1998). [details]
WoRMS (2025). Protozoa. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=5 on 2025-04-22
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Nomenclature
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Nomenclature The word 'Protoctista' had been introduced by English naturalist John Hoggs in 1861 to designate "all the lower creatures, or the primary organic beings; -both Protophyta, .. Having more the nature of plants, and Protozoa.. Having rather the nature of animals. In addition, the protoctist kingdom solves the problem of blurred boundaries that arises if the unicellular organisms are assigned to the intrinsically mulitcellular kingdoms. [details]
Nomenclature With the segregation of a kingdom Chromista (see below) from the “Protista” or “Protoctista” (see Margulis & Schwartz 1998), Protozoa is the most appropriate name for the balance of organisms remaining (Cavalier-Smith 1998). [details]
