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 (12 686)
- Kingdom Animalia (9 792)
- Kingdom Archaea (1)
- Kingdom Bacteria (310)
- Kingdom Chromista (956)
- Kingdom Fungi (740)
- Kingdom Plantae (822)
- Subkingdom Biliphyta (68)
- Subkingdom Viridiplantae (754)
- Infrakingdom Streptophyta (532)
- Phylum (Division) Chlorophyta (222)
- Subphylum (Subdivision) Chlorophytina (211)
- Class Chlorodendrophyceae
- Class Chlorophyceae (114)
- Class Trebouxiophyceae (62)
- Order Chlorellales (30)
- Family Chlorellaceae Brunnthaler, 1913 (15)
- Family Eremosphaeraceae (1)
- Family Leptosiraceae (Wille) Gerloff, 1966
- Family Oocystaceae Bohlin, 1901 (14)
- Subfamily Makinoelloideae Stenclová, 2017 (2)
- Genus Willea Schmidle, 1900 (2)
- Species Willea apiculata (Lemmermann) D.M.John, M.J.Wynne & P.M.Tsarenko, 2014
- Species Willea rectangularis (A.Braun) D.M.John, M.J.Wynne & P.M.Tsarenko, 2014
- Genus Chodatella Lemmermann
- Genus Crucigeniella Lemmermann, 1900 accepted as Crucigenia Morren, 1830
- Genus Cryocystis Kol ex Komárek & Fott, 1983 (2)
- Genus Ecdysichlamys G.S.West, 1912 (1)
- Genus Glochiococcus G.B.De Toni, 1888 (1)
- Genus Hemichloris Tschermak-Woess & Friedmann, 1984
- Genus Oocystis Nägeli ex A.Braun, 1855 (1)
- Genus Palmellococcus R.Chodat, 1894 accepted as Chlorella M.Beijerinck, 1890
- Genus Planktosphaerella Reisigl, 1964 (1)
- Genus Pseudococcomyxa Korshikov, 1953 (2)
- Genus Schizochlamydella Korshikov, 1953 accepted as Phaeoschizochlamys Lemmermann, 1898
- Genus Scotiella Fritsch, 1912
- Genus Trochiscia Kützing, 1834 (4)
- Order Oocystales
- Order Prasiolales (22)
- Order Trebouxiales (4)
- Order Trebouxiophyceae ordo incertae sedis (4)
- Order Watanabeales (2)
- Class Ulvophyceae (35)
- Subphylum (Subdivision) Prasinophytina (11)
- Class Bryopsidophyceae accepted as Ulvophyceae
- Class Chlorophyta incertae sedis
- Class Pleurastrophyceae
- Class Prasinophyceae
- Phylum (Division) Plantae incertae sedis
- Kingdom Protozoa (65)
