Between brackets is the number of accepted extant species
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Shows the number of accepted extant species within the taxon
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- Biota (12 687)
- Kingdom Animalia (9 793)
- Kingdom Archaea (1)
- Kingdom Bacteria (310)
- Subkingdom Gracilicutes
- Subkingdom Negibacteria (284)
- Phylum Cyanobacteria (284)
- Class Cyanobacteria incertae sedis
- Class Cyanophyceae (284)
- Subclass Gloeobacterophycidae (1)
- Subclass Nostocophycidae (58)
- Subclass Oscillatoriophycidae (140)
- Order Chroococcales (59)
- Family Aphanothecaceae (J.Komárek & Anagnostidis) J.Komárek, J.Kastovsky, Mareš & J.R.Johansen, 2014
- Family Chroococcaceae Rabenhorst, 1863 (17)
- Family Cyanobacteriaceae J.Komárek, J.Kastovsky, Mareš & J.R.Johansen, 2014
- Family Cyanothrichaceae Elenkin (1)
- Family Entophysalidaceae Geitler, 1925
- Family Geminocystaceae A.Tuji, H.Yamaguchi & Y.Niiyama, 2021 (1)
- Family Gomphosphaeriaceae Elenkin, 1933
- Family Microcystaceae Elenkin, 1933 (36)
- Family Pleurocapsaceae Geitler, 1925 (4)
- Genus Chondrocystis Lemmermann, 1899 (1)
- Genus Myxosarcina Printz, 1921 (1)
- Genus Pleurocapsa Thuret, 1885 (1)
- Genus Xenococcus Thuret, 1880 (1)
- Order Chroococcidiopsidales (16)
- Order Oscillatoriales (64)
- Order Pleurocapsales
- Order Spirulinales (1)
- Subclass Synechococcophycidae (11)
- Order Coleofasciculales (8)
- Order Geitlerinematales (1)
- Order Gomontiellales (12)
- Order Leptolyngbyales (42)
- Order Nodosilineales (2)
- Order Oculatellales (1)
- Order Pseudanabaenales (8)
- Phylum Bacteroidetes (5)
- Phylum Firmicutes (1)
- Phylum Proteobacteria (20)
- Kingdom Chromista (956)
- Kingdom Fungi (740)
- Kingdom Plantae (822)
- Kingdom Protozoa (65)
