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Taxon:
Class
Protozoa
G.A. Goldfuss, 1820
(protozoan)
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Entity:
Animalia (Kingdom) - animals
..[Acoelomata] (Superphylum)
..[†Annulusichnus] (Genus)
..[†Archaeocyatha] (Phylum)
..[Articulata] (Phylum)
..[Cheliceriformes] (Phylum)
..[†Chitinozoa] (Phylum)
..[Coelenterata] (Phylum)
..Ctenophora (Phylum) - comb jellies
..[Diploblastica]
..[Echiuroida] (Phylum)
..[Enterozoa] ([unranked])
..[Epitheliozoa]
..[Eumetazoa] (Branch)
..[Eumetazoa] (Subkingdom)
..[†Inaria] (Genus)
..[†Ivesia] (Genus)
..[Mesozoa] (Superphylum)
..[Mesozoa] (Branch)
..[Mesozoa] (Subkingdom)
..[Metazoa] ([unranked]) - multicellular animals
..[Metazoa] (Subkingdom)
..[Monoblastozoa] (Phylum)
..[Myxozoa] (Subkingdom)
..[N.N.] (Subkingdom)
..[Nematoida] (Phylum)
..[Nemertina] (Phylum)
..[Nemertinea] (Phylum)
..[Parazoa] (Subkingdom)
..[Parazoa] (Branch)
..[Parazoa] (Superphylum)
..[Pentastoma] (Phylum)
..[†Petalonamae] (Phylum)
..[Phagocytellozoa] (Subkingdom)
..[Phagocytellozoa] (Superphylum)
..Planulozoa (Clade)
..[Plastidozoa] ([unranked])
..Porifera (Phylum) - sponges
..†Problematica
..[Protozoa] (Subkingdom)
..[Radiata] (Subkingdom) - radiates
..[Radiata] (Superphylum)
..[Rhizopodea] (Phylum)
..[Scalidophora] (Phylum)
..[Sipunculida] (Phylum)
..[Sipunculoida] (Phylum)
..[Spincula] (Phylum)
..[†trace fossils]
..[†Trilobozoa] (Phylum)
..[Tunicata] (Phylum)
..[Uniramia] (Phylum)
..[†Vendobionta] (Phylum)
..†Vendozoa (Phylum)
..[Vermes] (Phylum)
..[Vestimentifera] (Phylum) - vestimentiferans
..[Protozoa] (Class)
....[Infusoria] (Order) - ciliates
....[Lithozoa] (Order) - corals
....[Medusinae] (Order)
....[Phytozoa] (Order)
Authorship
Original name
:
Goldfuss, G.A. 1820.
Original rank
:
Original spelling
:
Variants
Different rank
:
Protozoa
(Kingdom)
Goldfuss, 1818
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026