Between brackets is the number of accepted species
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2 Shows the number of accepted species within the taxon
3 The last expanded taxon is highlighted
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- Biota
- Kingdom Animalia
- Kingdom Archaea
- Kingdom Bacteria
- Kingdom Chromista
- Kingdom Fungi
- Kingdom Plantae
- Phylum Acritarcha †
- Phylum Algae (awaiting allocation)
- Phylum Algae incertae sedis
- Phylum Anthocerotophyta
- Phylum Bryophyta
- Phylum Calcitarcha †
- Phylum Charophyta
- Phylum Chlorophyta
- Subdivision Chlorophytina
- Subdivision Prasinophytina
- Class Mamiellophyceae
- Class Nephroselmidophyceae
- Class Pyramimonadophyceae
- Order Pseudoscourfieldiales
- Order Pterospermatales accepted as Pyramimonadales
- Order Pyramimonadales
- Family Cymatiosphaeraceae Mädler, 1963 †
- Family Halosphaeraceae Haeckel, 1894
- Genus Halosphaera K.J.F. Schmitz, 1879
- Genus Halosphaeropsis K. Mädler, 1963 †
- Genus Hyalophysa P.T. Cleve, 1900
- Genus Leiosphaera A. Eisenack, 1938 † accepted as Tasmanites E.T. Newton, 1875 †
- Species Leiosphaera dictyota Eisenak † accepted as Dictyotidium dictyotum (Eisenack, 1938) Eisenack, 1955 †
- Species Leiosphaera huronensis (J.W. Dawson) R. Kräusel †
- Genus Pachysphaera C.H. Ostenfeld in Knudsen & Ostenfeld, 1899
- Genus Paracrassosphaera V.A. Rudavskaja in Fajzulina & Trestshetenova, 1979 †
- Genus Sphaera G. Karsten, 1905
- Genus Tapajonites F.W. Sommer & N.M. van Boekel, 1963 †
- Genus Tasmanites E.T. Newton, 1875 †
- Family Kofoidiellaceae B.V. Skvortzov, 1972
- Family Polyblepharidaceae P.A. Dangeard, 1889
- Family Pterospermaceae accepted as Pterospermataceae Lohmann, 1904
- Family Pterospermataceae Lohmann, 1904
- Family Pterospermellaceae Eisenack, 1972 † accepted as Pterospermataceae Lohmann, 1904
- Family Pterosphaeridiaceae Mädler, 1963 †
- Family Pyramimonadaceae Korshikov, 1938
- Family Tasmanitaceae Sommer, 1956 accepted as Halosphaeraceae Haeckel, 1894
- Family Prasinophytina (awaiting allocation)
- Genus Dictyotidia A.M. Stanevitch in Jankauskas, 1989 †
- Genus Noremia M. Kedves, 1962 †
- Genus Oraveczia F. Góczán, 1997 †
- Genus Pechengia A.Y. Rozanov & M.M. Astafieva, 2008 †
- Genus Pteroverricatus T.K. Al-Ameri, 1984 †
- Genus Pterrovericatus Al-Ameri, 1984 † accepted as Pteroverricatus T.K. Al-Ameri, 1984 †
- Class Chlorophyta (awaiting allocation)
- Class Chloropicophyceae
- Class Picocystophyceae
- Class Prasinophyceae accepted as Prasinophytina
- Genus Archaeochaeta K.M. Maloney, D.P. Maverick, J.D. Schiffbauer, G.P. Halverson, S. Xiao & M. Laflamme, 2023 †
- Genus Archaeophycus F. Wang, X. Zhang & R. Guo, 1983 †
- Genus Characrhynium Krings, 2024 †
- Genus Chordecystia C.B. Foster, 1979 † accepted as Reduviasporonites L.R. Wilson, 1962 †
- Genus Dictyosphaera Y. Xing & K. Liu, 1973 †
- Genus Harpericystis Krings, 2024 †
- Genus Jiuqunaoella M. Chen & Z.Z. Xiao, 1991 †
- Genus Menieria Y. Wang, J. Jin & R. Zhan, 2014 †
- Genus Palambages O. Wetzel, 1961 †
- Genus Paratetraphycus Z. Zhang, 1985 † accepted as Archaeophycus F. Wang, X. Zhang & R. Guo, 1983 †
- Genus Reduviasporonites L.R. Wilson, 1962 †
- Genus Sarcinophycus S. Xiao & A.H. Knoll, 1999 †
- Genus Shuiyousphaeridium Yan in Yan & Zhu, 1992 †
- Genus Sigmopollis R.W. Hedlund, 1965 †
- Genus Sphaerosiphon Schussnig, 1915
- Genus Tetraphycoides F. Cao, 1985 † accepted as Archaeophycus F. Wang, X. Zhang & R. Guo, 1983 †
- Genus Tympanicysta B.E. Balme, 1980 † accepted as Reduviasporonites L.R. Wilson, 1962 †
- Genus Yunnanospirellus Li, Wei, Guo & Cong, 2024 †
- Phylum Eophyta †
- Phylum Glaucophyta
- Phylum Gymnospermophyta accepted as Tracheophyta
- Phylum Horneophyta †
- Phylum Magnoliophyta accepted as Tracheophyta
- Phylum Marchantiophyta
- Phylum Picozoa
- Phylum Plantae (awaiting allocation)
- Phylum Prasinodermatophyta
- Phylum Pteridophyta accepted as Tracheophyta
- Phylum Rhodelphidia
- Phylum Rhodophyta
- Phylum Sporae dispersae †
- Phylum Tracheophyta
- Phylum Vendophyta † accepted as Algae incertae sedis
- Class Nematophyceae † accepted as Nematophyta †
- Kingdom Protista accepted as Protozoa
- Kingdom Protozoa
- Kingdom Viruses
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