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
- 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
- Subdivision Lycopodiophytina
- Subdivision Polypodiophytina
- Subdivision Spermatophytina
- Superclass Angiospermae
- Superclass Gymnospermae
- Class Cycadopsida
- Class Ginkgoopsida
- Class Gnetopsida
- Class Gymnospermae (awaiting allocation)
- Class Lagenostomopsida † accepted as Pteridospermopsida †
- Class Pinopsida
- Class Pteridospermopsida †
- Order Arberiales †
- Order Calamopityales †
- Order Callistophytales †
- Order Caytoniales †
- Family Caytoniaceae Kräusel †
- Genus Amphorispermum T.M. Harris, 1932 †
- Genus Antholithus Thomas, 1925 † accepted as Caytonanthus T.M. Harris, 1937 †
- Genus Caytonanthus T.M. Harris, 1937 †
- Genus Caytonia H.H. Thomas, 1925 †
- Genus Gristhorpia H.H. Thomas, 1925 † accepted as Caytonia H.H. Thomas, 1925 †
- Genus Hydropterangium T.G. Halle, 1910 †
- Genus Laconiella F. Krasser, 1920 † accepted as Caytonia H.H. Thomas, 1925 †
- Genus Phyllopteris A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 † accepted as Sagenopteris K.B. Presl in Sternberg, 1838 †
- Genus Sagenopteris K.B. Presl in Sternberg, 1838 †
- Species Sagenopteris carruthersi †
- Species Sagenopteris elongata †
- Species Sagenopteris phillipsi †
- Species Sagenopteris rhoifolia †
- Genus Scoresbya T.M. Harris, 1932 †
- Order Codonospermales †
- Order Dicranophyllales †
- Order Dictyopteridiales †
- Order Doyleales †
- Order Gigantonomiales † accepted as Gigantopteridales †
- Order Gigantopteridales †
- Order Glossopteridales † accepted as Rigbyales †
- Order Hermanophytales †
- Order Hexapterospermales †
- Order Hlatimbiales †
- Order Lagenostomales † accepted as Lyginopteridales †
- Order Lidgettoniales †
- Order Lyginopteridales †
- Order Matatiellales †
- Order Medullosales † accepted as Pachytestales †
- Order Moresnetiales †
- Order Pachytestales †
- Order Peltaspermales †
- Order Pentoxylales †
- Order Petriellales †
- Order Phasmatocycadales †
- Order Pteridospermopsida (awaiting allocation) †
- Order Pullarithecales †
- Order Rigbyales †
- Order Sporophyllitales †
- Order Tetrastichiales †
- Order Trichopityales †
- Order Trigonocarpales † accepted as Pachytestales †
- Order Umkomasiales †
- Genus Ctenopteris A.T. Brongniart ex G. Saporta, 1873 † accepted as Ptilozamites A.G. Nathorst, 1878 †
- Genus Ctenozamites A.G. Nathorst, 1886 † accepted as Ptilozamites A.G. Nathorst, 1878 †
- Genus Cycadopteris W.P. Schimper, 1869 † accepted as Ptilozamites A.G. Nathorst, 1878 †
- Genus Faironia A. Decombeix, J. Galtier & B. Meyer-Berthaud, 2006 †
- Genus Geminispermum E.M. Friis, P.R. Crane & K.R. Pedersen, 2019 †
- Genus Kladistamuos M.A. Carrizo & S. Archangelsky, 2013 †
- Genus Microphyllopteris E.A.N. Arber, 1917 † accepted as Rintoulia S. McLoughlin & N.S. Nagalingum in S. McLoughlin, A.-M.P. Tosolini, N.S. Nagalingum & A.N. Drinnan, 2002 †
- Genus Ovulepteris J. Pšenička, P. Correia, Z. Šimůnek, A.A. Sá, J.B. Murphy & D. Flores, 2017 †
- Genus Ptilozamites A.G. Nathorst, 1878 †
- Genus Rintoulia S. McLoughlin & N.S. Nagalingum in S. McLoughlin, A.-M.P. Tosolini, N.S. Nagalingum & A.N. Drinnan, 2002 †
- Genus Sphaenopteris (A.T. Brongniart) Sternberg, 1825 † accepted as Sphenopteris (A.T. Brongniart) Sternberg, 1825 †
- Genus Tinsleya S.H. Mamay, 1966 †
- Order Dordrechtitales †
- Order Erdtmanithecales †
- Order Fraxinopsidales †
- Genus Anthrophyopsis A.G. Nathorst, 1878 †
- Genus Australoxylon Marguerier, 1973 †
- Genus Baradarakht M.S. Malkani, 2021 †
- Genus Battenispermum M.M. Mendes, K.R. Pedersen & E.M. Friis, 2020 †
- Genus Bernettia Gothan, 1914 †
- Genus Bicatia E.M. Friis, K.R. Pedersen & P.R. Crane, 2014 †
- Genus Cariria L. Kunzmann, B.A.R. Mohr, V. Wilde & M.E.C. Bernardes-de-Oliveira, 2011 †
- Genus Chlamydolepis J.H.A. van Konijnenburg-van Cittert, 1992 †
- Genus Cryptokerpia P. Blomenkemper, A. Abu Hamad & B. Bomfleur, 2019 †
- Genus Cycadodendron L. Luthardt, R. Rößler & D. Stevenson, 2023 †
- Genus Edenia B.J. Axsmith, N.C. Fraser & T. Corso, 2013 †
- Genus Euanthus Z.-J. Liu & X. Wang, 2016 †
- Genus Hystricia J.M. Anderson & H.M. Anderson, 2003 †
- Genus Mixoxylon O. Chernomorets & J. Sakala, 2021 †
- Genus Mongolitria M.A. Bickner, F. Herrera, G. Shi, N. Ichinnorov, P.R. Crane & P.S. Herendeen, 2023 †
- Genus Nanjinganthus Q. Fu et al., 2018 †
- Genus Novaolindia L. Kunzmann, B.A.R. Mohr & M.E.C. Bernardes-de-Oliveira, 2007 †
- Genus Nubilora X. Wang, 2017 †
- Genus Palaeocupressinoxylon M.-L. Wan, W. Yang & J. Wang, 2020 †
- Genus Panxianopteris Qin, He, Hilton & Wang, 2024 †
- Genus Paradoxa W.-Z. Liu, H.-X. Shen & X. Wang, 2024 †
- Genus Paradoxoxylon R. Kräusel in R. Kräusel & G. Leschik, 1955 †
- Genus Permotheca M.D. Zalessky, 1929 †
- Genus Piroconites W. Gothan, 1914 ex E. Kustatscher, J.H.A. Van Konijnenburg-van Cittert, K. Bauer & M. Krings, 2016 †
- Genus Sanfordiacaulis Gastaldo et al., 2024 †
- Genus Shanxiopitys Shi, Yu, Sun, Xu & Li, 2024 †
- Genus Alasemenia Wang, Yang, Liu, Zhou, Xu, Qin & Huang, 2024 †
- Genus Bevhalstia C.R. Hill, 1996 †
- Genus Carpolithus E.T. Artis, 1825 †
- Genus Combina A.A. Santos & X. Wang, 2022 †
- Genus Juraherba G. Han, Z. Liu, X. Liu, L. Mao, F.M.B. Jacques & X. Wang, 2016 †
- Genus Muricosperma L.J. Seyfullah & J. Hilton in Seyfullah et al., 2010 †
- Genus Nothodichocarpum G. Han, Z. Liu & X. Wang, 2017 †
- Genus Problematospermum A.I. Turutanova-Ketova in J.A. Orlov, 1963 ex Krassilov, 1973 †
- Genus Qingganninginfructus X. Wang & Sun in Han et al., 2023 †
- Genus Renbernia E.M. Friis, P.R. Crane & K.R. Pedersen, 2022 †
- Genus Shaolinia Wang & Chen, 2024 †
- Genus Xenofructus Fu, Sun, Zheng & Wang, 2024 †
- Genus Xingxueanthus X. Wang & S. Wang, 2010 †
- Genus Yiduxylon D.M. Wang & L. Liu, 2015 †
- Genus Yuhania Z.-J. Liu & X. Wang, 2016 †
- Class Progymnospermopsida †
- Class Pteridophyta/Pteridospermophyta (unclassified foliage) †
- Class Rhyniopsida †
- Class Trimerophytopsida †
- Class Zosterophyllopsida †
- Order Stenokoleales †
- Genus Ahnetia A.-L. Decombeix & J. Galtier, 2017 †
- Genus Aysenoxylon R.R. Pujana, J.E. Bostelmann, R.A. Ugalde, M.P. Riquelme & T. Torres, 2023 †
- Genus Dameria A.-L. Decombeix, B. Meyer-Berthaud, J. Galtier, J.A. Talent & R. Mawson, 2011 †
- Genus Dibracophyton S.-G. Hao, J.-Z. Xue, X. Zhu & D.-M. Wang, 2012 †
- Genus Douaphyton H.-H. Xu, Y. Wang, P. Tang & Y. Wang, 2017 †
- Genus Endogenites A.T. Brongniart, 1822 †
- Genus Flabellopteris R.W. Gess & C. Prestianni, 2021 †
- Genus Franhueberia L.A. Hoffman & A.M.F. Tomescu, 2013 †
- Genus Jowingera M.A. Bickner & A.M.F. Tomescu, 2019 †
- Genus Kenrickia S. Toledo & A.M.F. Tomescu in Toledo et al., 2021 †
- Genus Leptocentroxyla M.A. Bickner & A.M.F. Tomescu, 2019 †
- Genus Macrotaeniopteris W.P. Schimper, 1869 †
- Genus Mosacaulis R.W.J.M. van der Ham & J.H.A. van Konijnenburg-van Cittert in van der Ham et al., 2011 †
- Genus Nebuloxyla M.A.K. Lalica & A.M.F. Tomescu, 2023 †
- Genus Ninsaria A.-L. Decombeix, J. Galtier, S. McLoughlin & B. Meyer-Berthaud in Decombeix et al., 2019 †
- Genus Oleandridium W.P. Schimper, 1869 †
- Genus Perplexa K.C. Pfeiler & A.M.F. Tomescu, 2023 †
- Genus Petrosjania S.M. Snigirevsky & A.P. Lyubarova, 2023 †
- Genus Planatophyton P. Gerrienne, B. Meyer-Berthaud, N. Yang, P. Steemans & C.-S. Li, 2014 †
- Genus Poacites Schlotheim ex Ballenstedt, 1822 †
- Genus Sporangites J.W. Dawson, 1863 †
- Genus Stenoloboxyla M.A. Bickner & A.M.F. Tomescu, 2019 †
- Genus Taeniopteris A.T. Brongniart, 1828 †
- Genus Tainioxyla M.A. Bickner & A.M.F. Tomescu, 2019 †
- Genus Thursophyton A.G. Nathorst, 1914-1915 †
- Genus Thursophyton A.G. Nathorst ex E.A.N. Arber, 1921 † accepted as Thursophyton A.G. Nathorst, 1914-1915 †
- Genus Tichavekia J. Pšenička, J. Sakala & P. Kraft in Kraft et al., 2019 †
- Genus Tregiovia G. Forte & E. Kustatscher, 2023 †
- Genus Wilhowia P.G. Gensel, 2022 †
- Genus Xadzigacalix A.A. Klymiuk, G.W. Rothwell & R.A. Stockey, 2022 †
- Genus Xinhangia J.-N. Yang & D.-M. Wang, 2022 †
- Genus Yabeiella S. Ôishi, 1931 †
- 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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