Infrageneric

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Total: 362

infragenus valid

Cordaites Subgenus Papillophyllites S.V. Meyen Bot. Zhurn. (Moscow & Leningrad), 49(11): 1539. 24 Nov 1964

infragenus valid

Cordaites Subgenus Sparsistomites S.V. Meyen Bot. Zhurn. (Moscow & Leningrad), 49(11): 1535. 24 Nov 1964

infragenus valid

Botryopteris Section Tridentata C.E. Bertrand, Cornaille Compt. Rend. Hebd. Séances Acad. Sci., 150(17): 1020. 25 Apr 1910

infragenus invalid

Trochiliscus Subgenus Eutrochiliscus Croft Bull. Brit. Mus. (Nat. Hist.), Geol., 1(7): 209. Jul 1952

infragenus valid

Aldrovanda Section Obliquae P.I. Dorof. Paleontol. Zhurn., 1968, (2): 115. 8 Jul 1968

infragenus valid

Filicites Subgenus Pecopteris (Brongn.) Stokes, Webb Trans. Geol. Soc. (London), Ser. 2, 1(2): 424. 17 Dec 1824

infragenus valid

Triletes Section Triangulati Schopf Rept. Invest. Illinois Geol. Surv., (50): 31-32. 1 Jul 1938

infragenus valid

Triletes Section Auriculati Schopf Rept. Invest. Illinois Geol. Surv., (50): 30. 1 Jul 1938

infragenus valid

Triletes Section Aphanozonati Schopf Rept. Invest. Illinois Geol. Surv., (50): 24. 1 Jul 1938

infragenus valid

Filicites Subgenus Hymenopteris Stokes, Webb Trans. Geol. Soc. (London), Ser. 2, 1(2): 424. 17 Dec 1824

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