| Incertae sedis | |
Acanthotriletes
| S.N. Naumova | Trudy Inst. Geol. Nauk Akad. Nauk S.S.S.R. 143: 20 | 1953 |
| Incertae sedis | ! |
Actinocyclus
| Ehrenb. | Ber. Bekanntm. Verh. Königl. Preuss. Akad. Wiss. Berlin 2: 61 | 1837 |
| Incertae sedis | * |
Agardhia
| Gray | Nat. Arr. Brit. Pl. 1: 279 | 1821 |
| Incertae sedis | |
Albertia
| Schimp. | Mém. Soc. Mus. Hist. Nat. Strasbourg 2(art. II): 13, t. 22 | 1837 |
| Incertae sedis | |
Alethopteris
| Sternb. | Versuch Fl. Vorwelt 1 (Tentamen): xxi | 1825 |
| Incertae sedis | ! |
Alwisia
| Berk. & Broome | J. Linn. Soc., Bot. 14: 86 | 1873 |
| Incertae sedis | |
Angeja
| Vand. | Fasc. Pl. 13 | 1771 |
| Incertae sedis | ! |
Anisocalyx
| Donati | Essai Hist. Nat. Mer Adriatique 23 | 1758 |
| Incertae sedis | |
Antholithes
| Brongn. | Mém. Mus. Hist. Nat. 8: 320 | 1822 |
| Incertae sedis | ! |
Arberiella
| D.D. Pant & Nautiyal | Palaeontographica, Abt. B, Paläophytol. 107: 531 | 1960 |
| Incertae sedis | |
Arundinites
| E. Otto | Addit. Fl. Quadergebirges 2: 27, t. 4, f. 2, t. 7, f. 1–5 | 1854 |
| Incertae sedis | ! |
Asparagopsis
| Mont. | Hist. Nat. Îles Canaries 3(2:4): xv | 1841 |
| Incertae sedis | * |
Asterisporites
| Z.B. Gan | Acta Palaeontol. Sin. 25(1): 90 | 1986 |
| Incertae sedis | |
Astoma
| Gray | Nat. Arr. Brit. Pl. 1: 523 | 1821 |
| Incertae sedis | ! |
Astrochlaena
| Corda | | 1845 |
| Incertae sedis | |
Atrichodendron
| Gagnep. | Notul. Syst. (Paris) 14(1): 29 | 1950 |
| Incertae sedis | |
Barakaria
| Seward & Sahni | Mem. Geol. Surv. India, Palaeontol. Indica new ser. 2, 7(1): 16 | 1920 |
| Incertae sedis | |
Baumiella
| Henn. | Kunene-Sambesi-Exped. 165 | 1903 |
| Incertae sedis | |
Bianulisporites
| Pautsch | Acta Palaeobot. 12: 19 | 1971 |
| Incertae sedis | |
Binghamia
| J. Agardh | Acta Univ. Lund. 30(7): 63 | 1894 |
| Incertae sedis | * |
Boulaya
| Carpentier | Rev. Gén. Bot. 37: 149 | 1925 |
| Incertae sedis | |
Boulayatheca
| T.N. Taylor & Kurmann | Taxon 34(4): 666 | 1985 |
| Incertae sedis | |
Brandonia
| G. Perkins | Vermont State Geol. Rep. 1903–1904: 192 | 1904 |
| Incertae sedis | |
Brochotriletes
| S.N. Naumova ex Bolkh. | Trudy Inst. Geol. Nauk Akad. Nauk S.S.S.R. 145: 34 | 1953 |
| Incertae sedis | ! |
Bucinella
| Fucini | Palaeontogr. Ital., ser. 2 1: 82 | 1936 |
| Incertae sedis | |
Camarozonosporites
| D.D. Pant ex R. Potonié | Beih. Geol. Jahrb. 23: 65 | 1956 |
| Incertae sedis | ! |
Capitularia
| Flörke | Mag. Neuesten Entdeck. Gesammten Naturk. Ges. Naturf. Freunde Berlin 1: 294 | 1807 |
| Incertae sedis | |
Carpodium
| Zalessky | Kamennougol'naja Fl. Severn. Kavkaza 12, 19 | 1934 |
| Incertae sedis | |
Carpolithes
| Brongn. | Mém. Mus. Hist. Nat. 8: 319 | 1822 |
| Incertae sedis | * |
Carradoria
| Mart. | Fl. Bras. Enum. Pl. 1: 15 | 1833 |
| Incertae sedis | ! |
Ceramium
| Roth | Catal. Bot. 1: 146 | 1797 |
| Incertae sedis | |
Ceraunia
| Noronha | Verh. Batav. Genootsch. Kunst. 5(4): 2 | 1790 |
| Incertae sedis | ! |
Cercophora
| Fuckel | Jahrb. Nassauischen Vereins Naturk. 23/24(Symb. Mycol.): 244 | 1870 |
| Incertae sedis | ** |
Cetra
| Noronha | Verh. Batav. Genootsch. Kunst. 5(4): 2 | 1790 |
| Incertae sedis | ** |
Chamula
| Noronha | Verh. Batav. Genootsch. Kunst. 5(4): 2 | 1790 |
| Incertae sedis | |
Chelidurus
| Willd. | Disp. Veg. Meth. 4 | 1790 |
| Incertae sedis | |
Cheobula
| Vell. | Fl. Flumin. 4: | 1829 [1831] |
| Incertae sedis | ** |
Cinga
| Noronha | Verh. Batav. Genootsch. Kunst. 5(4): 2 | 1790 |
| Incertae sedis | ** |
Citharella
| Noronha | Verh. Batav. Genootsch. Kunst. 5(4): 2 | 1790 |
| Incertae sedis | |
Colliculina
| Maljavkina | Trudy Vsesoyuzn. Neft. Nauchno-Issl. Geol.-Razved. Inst., n.s. 33: 52 | 1949 |
| Incertae sedis | |
Comes
| Buc'hoz | Herb. Color. Amerique , t. 162 | 1783 |
| Incertae sedis | |
Conbaculatisporites
| Klaus | Jahrb. Geol. Bundesanst. Sonderb. 5: 125 | 1960 |
| Incertae sedis | |
Consuegria
| Mutis ex Caldas | Semanario Nuevo Granada 3: 22 | 1810 |
| Incertae sedis | |
Coptocheile
| Hoffmanns. | Linnaea 16(Litt.): 279 | 1842 |
| Incertae sedis | |
Corazon
| Loefl. | Iter Hispan. 305 | 1758 |
| Incertae sedis | |
Crameria
| T.R. Lister | Palaeontogr. Soc. (London) Publ. 528: 61 | 1970 |
| Incertae sedis | |
Critta
| Loefl. | Iter Hispan. 230, 236 | 1758 |
| Incertae sedis | |
Cryptodiscus
| Corda | Icon. Fung. 2: 37 | 1838 |
| Incertae sedis | * |
Ctenopteris
| Brongn. ex Saporta | Paleont. Franc., Pl. Jurass. 1: 351 | 1873 |
| Incertae sedis | ! |
Cyanococcus
| Hansg. | Beih. Bot. Centralbl., Abt. 2 18(2): 521 | 1905 |
| Incertae sedis | |
Cyclinasporis
| Krutzsch | Atlas Mittel- und Jungtert. Disp. Spor. 3: 20 | 1963 |
| Incertae sedis | * |
Cyclocarpus
| C.E. Bertrand | Bull. Soc. Bot. France 55: 454 | 1908 |
| Incertae sedis | |
Cyclodendron
| Kräusel | Beitr. Geol. Erforsch. Deutsch. Schutzgeb. 20: 21 | 1928 |
| Incertae sedis | * |
Cyclospermum
| Seward | Foss. Pl. 3: 340 | 1917 |
| Incertae sedis | * |
Cystodium
| Fée | Essai Crypt. Ecorc. 2: 13 | 1837 |
| Incertae sedis | * |
Dalea
| P. Browne | Civ. Nat. Hist. Jamaica 239 | 1756 |
| Incertae sedis | ** |
Daphmanthus
| Kingdon-Ward | Gard. Chron., ser. 3 94: 417 | 1933 |
| Incertae sedis | ** |
Dejerseysporites
| McKellar ex Sajjadi & G. Playford | Palaeontographica, Abt. B, Paläophytol. 261(4–6): 101 | 2002 |
| Incertae sedis | |
Deredamo
| Loefl. | Iter Hispan. 230, 250 | 1758 |
| Incertae sedis | !! |
Diatoma
| Bory | Dict. Class. Hist. Nat. 5: 461 | 1824 |
| Incertae sedis | * |
Dicranopteris
| Zalessky | Moscow Univ. Paleontol. Lab. Probl. 2–3: 48, textfig. 13–15 | 1937 |
| Incertae sedis | |
Didecitriletes
| Venkatach. & R.K. Kar | Palaeobotanist 13: 338 | 1964 [1965] |
| Incertae sedis | * |
Diplophyllum
| Velen. & Viniklář | Fl. Cret. Bohem. 3: 8, 25 | 1929 |
| Incertae sedis | ! |
Discophyllum
| Hall | Palaeont. New York 1: 277, t. 75. f. 3. | 1847 |
| Incertae sedis | ! |
Ditmaria
| Lühnem. | Neues J. Bot. 3: 45 | 1809 |
| Incertae sedis | |
Dressiantha
| M.A. Gandolfo, Nixon & Crepet | Amer. J. Bot. 85(7): 964 | 1998 |
| Incertae sedis | |
Dulhuntyispora
| R. Potonié | Beih. Geol. Jahrb. 23: 37 | 1956 |
| Incertae sedis | |
Echinatisporis
| Krutzsch | Beih. Z. Geol. 21–22: 133 | 1959 |
| Incertae sedis | ! |
Ectosperma
| Vaucher | Hist. Conferves 3 | 1803 |
| Incertae sedis | |
Endolepis
| Schleid. | | 1846 |
| Incertae sedis | |
Endotricha
| Suringar | | 1870 |
| Incertae sedis | |
Enigma
| Weber Bosse | Mém. Mus. Roy. Hist. Nat. Belgique Hors Sér. 6(1): 27 | 1932 |
| Incertae sedis | |
Eoengelhardia
| Crepet, Daghlian & Zavada | Rev. Palaeobot. Palynol. 30: 361–370 | 1980 |
| Incertae sedis | ! |
Eriospora
| Berk. & Broome | Ann. Mag. Nat. Hist., ser. 2, 5: 455 | 1850 |
| Incertae sedis | |
Filicites
| Schloth. ex Brongn. | Mém. Mus. Hist. Nat. 8: 209, 232 | 1822 |
| Incertae sedis | |
Florschuetzia
| Germeraad, Hopping & Jan Mull. | Rev. Palaeobot. Palynol. 6: 304 | 1968 [1969] |
| Incertae sedis | |
Foveosporites
| Balme | CSIRO Div. Coal Res. Techn. Comm. 25: 17 | 1957 |
| Incertae sedis | |
Ganasterisporites
| Janson. & Hills | Genera File Foss. Spor. Pollen (Suppl. 9): 4432 | 1987 |
| Incertae sedis | |
Ginnania
| Mont. | Ann. Sci. Nat., Bot., sér. 2, 18: 257 | 1842 |
| Incertae sedis | ! |
Glossopteris
| Brongn. | Prodr. Hist. Vég. Foss. 54 | 1828 |
| Incertae sedis | |
Granulatisporites
| A.C. Ibrahim | Sporenf. Aegirhoriz. Ruhr-Reviers 21 | 1933 |
| Incertae sedis | |
Gumillea
| Ruiz & Pav. | Fl. Peruv. Prodr. 42 | 1794 |
| Incertae sedis | |
Gyratisporites
| Iljina | Sravn. Anal. Spor.-Pyl'. Kompl. Zap. Sibiri 46 | 1968 |
| Incertae sedis | |
Hallea
| G.B. Mathews | Peking Nat. Hist. Bull. 16: 241 | 1948 |
| Incertae sedis | |
Heliosporites
| Eb. Schulz | Geologie 11(3): 311 | 1962 |
| Incertae sedis | ! |
Hestia
| R.M. Bateman, Kenrick & Rothwell | Rev. Palaeobot. Palynol. 144(3–4): 328–329 | 2007 |
| Incertae sedis | |
Hirania
| Thulin | Nordic J. Bot. 24(5): 510 | 2007 |
| Incertae sedis | |
Hymenozonotriletes
| S.N. Naumova ex K.R. Mehta | Proc. Natl. Acad. Sci. India, B 14(4–5): 125, 129, 132 | 1944 |
| Incertae sedis | ! |
Keckia
| Glocker | Nov. Actorum Acad. Caes. Leop.-Carol. Nat. Cur. 19(Suppl. 2): 319 | 1841 |
| Incertae sedis | ! |
Keithia
| Spreng. | Neue Entdeck. Pflanzenk. 3: 57 | 1822 |
| Incertae sedis | ! |
Kerryia
| Rothwell & D.C. Wight | Rev. Palaeobot. Palynol. 60: 297, 307 | 1989 |
| Incertae sedis | |
Kuylisporites
| R. Potonié | Beih. Geol. Jahrb. 23: 38 | 1956 |
| Incertae sedis | |
Laevigatisporites
| R. Potonié & Gelletich | Sitzungsber. Ges. Naturf. Freunde Berlin 1932(8–10): 521 | 1933 |
| Incertae sedis | |
Laevigatosporites
| A.C. Ibrahim | Sporenf. Aegirhoriz. Ruhr-Reviers 39 | 1933 |
| Incertae sedis | |
Leiotriletes
| S.N. Naumova | Trudy Inst. Geol. Nauk Akad. Nauk S.S.S.R. 143: 20 | 1953 |
| Incertae sedis | |
Lemonniera
| De Wild. | Ann. Soc. Belge Microscop. 18: 147 | 1894 |
| Incertae sedis | ! |
Litosiphon
| Harv. | Man. Brit. Mar. Alg., ed. 2 43 | 1849 |
| Incertae sedis | |
Lophotriletes
| S.N. Naumova | Trudy Inst. Geol. Nauk Akad. Nauk S.S.S.R. 143: 20 | 1953 |
| Incertae sedis | * |
Lycopodiacidisporites
| Danzé-Corsin & Laveine | Mém. Soc. Géol. N. 13: 77 | 1963 |
| Incertae sedis | |
Lycopodiacidites
| Couper | Palaeontol. Bull. New Zealand Geol. Surv. 22: 26 | 1953 |