苏铁目
分類

苏铁纲植物传统分类被分到裸子植物门，但后来发现裸子植物门是个并系群（被子植物也是起源于裸子植物祖先），且各种裸子植物的性质有很大的差别，所以最新的分类方法将其拆分，单独列为一个苏铁门（）。
滅絕的本內蘇鐵目曾被認為是本類的祖先之一，現在被認為是從其他裸子植物分裂出來，還有人認為是被子植物的祖先或旁系姐妹群。
Beaniaceae
Crossozamiaceae
苏铁科 Cycadaceae
Nilssoniaceae
托叶苏铁科 Stangeriaceae
泽米苏铁科 Zamiaceae
Acozamites M.D.Zalessky, 1936
Aldania V.A.Samylina, 1956
Almargemia Florin, 1933
Amuriella V.D.Prynada, 1956
Androcycas J.Watson & S.R.Ash, 2006
Angaropteris V.A.Chachlov & A.A.Pollack, 1935
Antarcticycas E.L.Smoot, T.N.Taylor & T.Delevoryas, 1985
Antherangiopsis Nathorst, 1902
Anthrophyopsis A.G.Nathorst, 1878
Archaeocycas S.H.Mamay, 1973
Aricycas S.R.Ash, 1991
Baierella R.Potonié, 1933
Behuninia M.E.J.Chandler, 1966
Bennettitacearum Gothan, 1914
Bjuvia R.Florin, 1933
Blastolepis A.de Zigno, 1885
Bolbopodium G.Saporta, 1874
Bucklandiopsis G.Roselt, 1960
Bureja V.D.Prynada, 1956
Butefia Dobruskina, 1964
Calamopsis Heer, 1859
Carpolithites
Cavamonocolpites de Lima, 1989
Charmorgia S.R.Ash, 1985
Cladophlebidium H.C.Sze, 1931
Clathropodium Saporta, 1874
Cloughtonia T.G.Halle, 1911
Colymbetes M.Stopes, 1915
Ctenis Lindley & W.Hutton, 1834
Cycadangium Ogura, 1932
Cycadella Ward, 1900
Cycadenia W.Bock, 1969
Cycadeocarpus Dawson, 1873
Cycadeoidella Y.Ogura, 1930
Cycadeomyelon Saporta, 1875
Cycadeorachis M.Stopes, 1915
Cycadinorachis B.D.Sharma, 1973
Cycadites Sternberg, 1825
Cycadium A.Guillard, 1839
Cycadocaulum K.Frentzen, 1932
Cycadophyllum J.G.Bornemann, 1856
Cycadophytites A.R.Rao & M.N.Bose, 1959
Cycadopteris A.Zigno, 1853
Cycadorachis G.Saporta, 1873
Cyclozamia Pomel, 1849
Cylindropodium Saporta, 1874
Delemaya S.D.Klavins, E.L.Taylor, M.Krings & T.N.Taylor, 2003
Deltolepis T.M.Harris, 1942
Dioonitocarpidium H.Rühle von Lilienstern, 1928
Dioonopsis J.Horiuchi & T.Kimura, 1987
Echinostipes Pomel, 1849
Encephalartites V.A.Vahrameev, 1962
Enygmatostrobus A.N.Kristofovic, 1915
Eucommiidites Erdtman, 1948
Fricia Velenovský, 1855
Guilliera L.Crié, 1885
Guramsania V.A.Vachrameev, E.L.Lebedev & Z.Sodov, 1986
Gymnovulites V.B.Shukla, 1948
Haitingeria F.Krasser, 1916
Harringtonia J.Frenguelli, 1942
Hastystrobus J.H.A.van Konijnenburg-van Cittert, 1971
Hauffia Endlicher, 1842
Heilungia V.D.Prynada, 1956
Iratinia R.Spiekermann, A.Jasper, A.M.Siegloch, M.Guerra-Sommer & D.Uhl, 2021
Jeanpaulia F.J.A.N.Unger, 1845
Jensensispermum M.E.J.Chandler, 1966
Jurastrobus X.Wang, J.-H.Cui & J.-Z.Cui, 2006
Keraiaphyllum K.Frentzen, 1932
Leptopterophyllum H.H.Thomas, 1930
Lioxylon W.Zhang, Y.Wang, K.Saiki, N.Li & S.Zheng, 2006
Lunzia F.Krasser, 1916
Macrotorellia A.N.Kristofovic, 1927
Mediocycas N.Li, X.-P.Fu, W.Zhang, S.-L.Zheng & Y.Cao, 2005
Mesosingeria S.Archangelsky, 1963
Michelilloa S.Archangelsky & D.W.Brett, 1963
Microzamia A.E.Reuss, 1846
Morrisia M.N.Bose, 1959
Nagatocladus T.Ohana, T.Kimura, F.Takahashi & G.Naito, 1996
Neuropteromedullosa J.P.Lotsy, 1909
Nidia M.N.Bose & S.C.Srivastava, 1973
Nikania V.D.Prynada, 1956
Novoguineoxylon Boureau & Jongmans, 1955
Ontheodendron B.Sahni & A.R.Rao, 1933
Osmundites Jaeger, 1827
Palaeocycas Florin, 1933
Palaeozamia Endlicher, 1836
Paracycas T.M.Harris, 1964
Pecopteromedullosa J.P.Lotsy, 1909
Phyllopteroides L.M.Medwell, 1954
Plagiozamiopsis H.C.Sze, 1943
Pleiotrichium Weyland & Greifeld, 1953
Plicarizamites W.Bock, 1969
Poecilitocaulon P.Fliche, 1910
Pramelreuthia F.Krasser, 1916
Primocycas J.-N.Zhu & X.-M.Du, 1981
Pseudocycadeoidea N.K.N.Aiyengar & K.Jacob, 1953
Pseudocycas Nathorst, 1907
Pseudodioon B.Erdei, F.Akgün & M.R.B.Lumaga, 2010
Pseudodioon akyoli
Pseudopterophyllum R.Florin, 1933
Pseudoptilophyllum F.Krasser, 1918
Pteronilssonia D.D.Pant & B.Mehra, 1963
Ptilophyllum J.Morris, 1840
Ptychoxylon B.Renault, 1889
Quervainia T.M.Harris, 1932
Raumeria Göppert, 1853
Rhipidopsis J.Schmalhausen, 1879
Rhiptozamites J.Schmalhausen, 1879
Sanchucycas H.Nishida, M.Nishida & K.Tanaka, 1991
Sardoa F.Krasser, 1920
Sarmatiella V.D.Prynada, 1956
Scalaroxylon D.Vogellehner, 1967
Schizopodium M.Morière, 1887
Schozachia B.Rozynek, 2008
Semionandra V.A.Krassilov & E.V.Bugdaeva, 1988
Semionogyna V.A.Krassilov & E.V.Bugdaeva, 1988
Sewardia R.Zeiller, 1900
Sewardioxylon K.M.Gupta, 1971
Shuichengoxylon S.-J.Wang, X.-Y.He & L.-Y.Shao, 2011
Sinoctenis H.C.Sze, 1931
Sinocycadoxylon W.Zhang & X.-J.Yang, 2012
Skyttegaardia E.M.Friis, P.R.Crane & K.R.Pedersen, 2021
Sobernheimia J.H.F.Kerp, 1983
Stangerites Oldham & Morris, 1863
Sueria C.A.Menéndez, 1965
Taeniopteris A.T.Brongniart, 1828
Tetoria T.Kimura & S.Sekido, 1974
Triadostrobus W.Bock, 1969
Vladiloxylon A.Lutz, A.Crisafulli & R.Herbst, 2003
Yavorskyia G.P.Radczenko, 1936
Yixianophyllum S.-L.Zheng, N.Li, Y.Li, W.Zhang & X.F.Bian, 2005
Zamiophyllum A.G.Nathorst, 1890
Zamiopteris J.Schmalhausen, 1879
Zamiphyllum R.Caspary & Klebs, 1907