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
Phylum Picozoa
Subkingdom Sarcomastigota
Phylum Choanoflagellata accepted as Choanozoa (synonym)
Phylum Chrysomonada accepted as Heterokontophyta accepted as Ochrophyta
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 (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)
Phylum Hemimastigophora
Phylum Picozoa
Subkingdom Sarcomastigota
Phylum Choanoflagellata accepted as Choanozoa (synonym)
Phylum Chrysomonada accepted as Heterokontophyta accepted as Ochrophyta
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 (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 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,...
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]
Nomenclature The word 'Protoctista' had been introduced by English naturalist John Hoggs in 1861 to designate "all the lower creatures,...
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]
WoRMS (2023). Protozoa. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=5 on 2023-05-30
The webpage text is licensed under a Creative Commons Attribution 4.0 License
basis of record
Margulis, L.; Schwartz, K.V. (1998). Five Kingdoms: an illustrated guide to the Phyla of life on earth. 3rd edition. Freeman: New York, NY (USA). ISBN 0-7167-3027-8. xx, 520 pp. (look up in IMIS) [details]




From other sources
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]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]