Omprelostrobus L.Liu, D.-M.Wang, Y.Zhou, M.Qin, D.K.Ferguson & M.-C.Meng, 2022 genus doubtful

Porongodendron C.Prestianni, J.J.Rustán, D.Balseiro & N.E.Vaccari, 2022 genus doubtful

Guangdedendron D.Wang et al., 2019 genus doubtful

Isoeteae family synonym

Isoetaceae family accepted

Wexfordia L.C.Matten, 1989 genus accepted

Suavitasaceae family accepted

Lycaugea B.Meyer-Berthaud, A.-L.Decombeix & R.Blanchard, 2021 genus doubtful

Pavlovisporites H.Kozur, 1979 genus synonym

Minerisporites R.Potonié, 1956 genus accepted

Takhtajanodoxaceae family synonym

Lepacyclotes Emmons, 1856 genus accepted

Pleuromeiaceae family accepted

Clevelandodendron S.Chitaley & K.B.Pigg, 1996 genus doubtful

Annalepis P.Fliche, 1910 genus synonym

Porostrobus Nathorst, 1914 genus accepted

Chaloneriaceae family accepted

Tomiodendron G.P.Radczenko, 1956 genus accepted

Auriculozonospora H.P.Singh, S.K.Srivastava & S.K.Roy, 1964 genus synonym

Isoetodendron W.Bock, 1969 genus accepted

Araucarites carolinensis Fontaine, 1883 species synonym

Otzinachsonia W.L.Cressler Iii & H.W.Pfefferkorn, 2005 genus doubtful

Nathorstianaceae family accepted