Anomopteris A.T. Brongniart, 1828 † (taxonomy source)
Ashicaulis W.D. Tidwell, 1994 † accepted as Millerocaulis T. Erasmus ex W.D. Tidwell, 1986 † (source of synonymy)
Aurealcaulis W.D. Tidwell & L.R. Parker, 1987 † accepted as Plenasium K.B. Presl, 1836 (source of synonymy)
Aurealcaulis W.D. Tidwell & L.R. Parker, 1987 † accepted as Plenasium K.B. Presl, 1836 (verified source for family)
Bathypteris C.E.I. von Eichwald, 1852 † (current name source)
Bathypteris C.E.I. von Eichwald, 1852 † (verified source for family)
Cacumen D.V. Cantrill & J.A. Webb, 1987 † (current name source)
Chasmatopteris M.D. Zalessky, 1931 † (verified source for family)
Chasmatopteris M.D. Zalessky, 1931 † (current name source)
Cladophlebis A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 † (additional source)
Cladotheca T.G. Halle, 1911 † (current name source)
Damudopteris D.D. Pant & P.K. Khare, 1974 † accepted as Neomariopteris P.K. Maithy, 1974 † (additional source)
Dichotomopteris P.K. Maithy, 1974 † (taxonomy source)
Dichotomopteris P.K. Maithy, 1974 † (current name source)
Donwelliacaulis S.R. Ash, 1994 † (current name source)
Donwelliacaulis S.R. Ash, 1994 † (verified source for family)
Grammatopteris B. Renault, 1891 † (current name source)
Guairea R. Herbst, 1981 † (verified source for family)
Guairea R. Herbst, 1981 † (current name source)
Guaireaceae R. Herbst, 1981 † (current name source)
Guaireaceae R. Herbst, 1981 † (taxonomy source)
Iegosigopteris M.D. Zalessky, 1935 † accepted as Thamnopteris A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 † (source of synonymy)
Itopsidema Daugherty, 1960 † (current name source)
Itopsidema Daugherty, 1960 † (verified source for family)
Lunea W.D. Tidwell, 1991 † (verified source for family)
Lunea W.D. Tidwell, 1991 † (current name source)
Millerocaulis T. Erasmus ex W.D. Tidwell, 1986 † (current name source)
Millerocaulis T. Erasmus ex W.D. Tidwell, 1986 † (verified source for family)
Osmundacaulis C.N. Miller, 1967 † (current name source)
Osmundacaulis C.N. Miller, 1967 † (verified source for family)
Osmundacidites R.A. Couper, 1953 † (current name source)
Osmundales (additional source)
Osmundastrum K.B. Presl, 1847 (current name source)
Osmundastrum K.B. Presl, 1847 (extant flag source)
Osmundastrum K.B. Presl, 1847 (verified source for family)
Osmundopsis T.M. Harris, 1931 † (current name source)
Palaeosmunda R.E. Gould, 1970 † (verified source for family)
Palaeosmunda R.E. Gould, 1970 † (current name source)
Petcheropteris M.D. Zalessky, 1931 † accepted as Thamnopteris A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 † (source of synonymy)
Plenasium K.B. Presl, 1836 (extant flag source)
Plenasium K.B. Presl, 1836 (current name source)
Plenasium K.B. Presl, 1836 (verified source for family)
Shuichengella Z.M. Li, 1993 † (current name source)
Shuichengella Z.M. Li, 1993 † (verified source for family)
Thamnopteris A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 † (verified source for family)
Thamnopteris A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 † (current name source)
Todea Willdenow ex Bernhardi, 1801 (verified source for family)
Todisporites R.A. Couper, 1958 † (current name source)
Todites A.C. Seward, 1900 † (current name source)
Zalesskya R. Kidston & D.T. Gwynne-Vaughan, 1908 † accepted as Thamnopteris A.T. Brongniart in A.C.V.D. d'Orbigny, 1849 † (source of synonymy)

 Taxonomic remark

 for Ashicaulis W.D. Tidwell, 1994 †

Some species now in Claytosmunda, refer Bomfleur et al., 2017. [details]

 Taxonomic remark

 for Aurealcaulis W.D. Tidwell & L.R. Parker, 1987 †

Listed as an accepted name in Taylor et al., 2009, however reduced to a subgenus of Plenasium by Bomfleur et al., 2017. [details]

 Taxonomic remark

 for Damudopteris D.D. Pant & P.K. Khare, 1974 †

Used as a current name in Bomfleuret al., 2017, however a homotypic synonym of Neomariopteris P.K. Maithy Mai 1974 ... [details]

 Taxonomic remark

 for Plenasium K.B. Presl, 1836

Listed as a synonym of Osmunda in GRIN (2011), but an accepted genus in Bomfleur et al., 2017. [details]

 Taxonomic remark

 for Zalesskya R. Kidston & D.T. Gwynne-Vaughan, 1908 †

Listed as an accepted name in Taylor et al., 2009 and in Novikoff & Barabasz-Krasny, 2015, however treated as a ... [details]